Non Residential & Mixed-Use SDLT

(SDLT Classifications, Reliefs and Exemptions)

Comment: This section outlines the classification of properties for Stamp Duty Land Tax (SDLT) purposes, detailing how different types of properties are assessed and taxed.

Key Points:

  • Property classification determines SDLT rates.
  • Categories include residential, non-residential, and mixed-use.
  • Variations in classification depend on regulatory requirements.
  • SDLT rates differ based on property type and condition.

Main Principles:

  1. Classification: Defines a property’s primary use, impacting SDLT rates.
  2. Variations: Different criteria used by authorities for property classification.
  3. Application: Local tax and SDLT classifications affect tax liabilities.

Reliefs and Exemptions: Specific provisions reduce tax based on property type.

Classification of Property

Classification concerns defining the primary use and characteristics of a property. This categorisation is important as it determines the base SDLT rates applicable to a transaction. For instance:

  • Residential properties typically include dwellings where people live or intend to live.
  • Non-residential properties encompass commercial buildings, agricultural lands, and other properties not designed for residential use.
  • Mixed-use properties contain elements of both residential and non-residential uses, such as a building with retail shops on the ground floor and apartments above. We explore mixed-use property in greater detail in the section titled: Purchasing Mixed-Use Property.

Variations in Property Classification

The classification of a property can vary significantly based on the entity responsible for the assessment and their specific regulatory requirements. Different organisations use distinct criteria that can result in different classifications for the same property.

Example. Local Authorities

    • Purpose: Primarily for assessing council tax and business rates.
    • Criteria: Focuses on the usage of the property, distinguishing between residential and non-residential purposes.
  • Application
    • Council Tax: Properties classified as residential are those that are occupied or available for occupation, influencing council tax liabilities.
    • Business Rates: Non-residential properties, such as commercial or industrial buildings, are assessed for business rates based on their use rather than their occupancy status.

HMRC Classification for Stamp Duty Purposes

  • Purpose: To determine the applicable Stamp Duty Land Tax (SDLT).
  • Criteria: Classifies properties as residential, non-residential, or mixed-use.
  • Example: A building with a shop on the ground floor and apartments above is typically considered mixed-us and therefore subject to non-residential rates of stamp duty. However, if a property is entirely commercial it would be classified as non-residential for SDLT purposes.

Example of Mixed-Use Property

  • Local Council Tax: Residential units are assessed separately from commercial units.
  • SDLT: The entire building might be categorised as non-residential if it includes any non-residential or commercial property elements, which could simplify the tax process, though it may not fully represent its mixed-use character.

Dilapidated Properties

  • Condition: Properties that are uninhabitable may be classified differently.
  • Local Tax: Might still be classified as residential if intended for residential use upon renovation.
  • SDLT: Classified as non-residential if currently unsuitable for use as a dwelling, affecting SDLT at the time of purchase.

Exemptions and Reliefs

  • Definition: Provisions within tax law that reduce or eliminate tax liability based on the property’s classification and price.
  • Impact: These do not change the property’s classification but affect the tax amount due post-classification.
  • Example: First-Time Buyers’ Relief: May reduce or eliminate SDLT for eligible residential property purchases

Stamp Duty Land Tax (SDLT) Rates and Example Calculation: 

Here’s how SDLT calculations would differ based on the classification of a property purchased for £500,000:

  1. Residential Property (Not owning another residential property):
    • Total SDLT = 0 + (5% of £250,000) = £12,500
  2. Residential Property (Owning another residential property):
    • Total SDLT = (3% of £250,000) + (8% of £250,000) = £27,500
  3. Non-Residential or Mixed-Use Property:
    • Total SDLT = 0 + (2% of £100,000) + (5% of £250,000) = £14,500


Non-residential properties, which include a diverse array of land and building types such as commercial properties, forests, agricultural land, and other non-dwelling lands, are subject to lower SDLT rates than residential properties. This favourable tax treatment is designed to encourage investments in sectors that are critical to economic development, such as industry, agriculture, and commerce.

Classifying as Non-Residential

(SDLT Classifications, Reliefs and Exemptions>Non Residential & Mixed-Use SDLT)

➤ Non-residential properties, including commercial, agricultural, forests, and other non-dwelling lands, are subject to specific SDLT rates and filing requirements based on their use and valuation, with transactions over £40,000 generally requiring an SDLT return.

Non-residential properties are distinct from residential properties and are subject to specific SDLT regulations based on their use and valuation.  

SDLT Rates for Non-Residential Properties

  • Thresholds for SDLT: SDLT is charged on increasing portions of the property price when the amount paid is £150,000 or more for non-residential land or property.
  • Filing Requirements: For many transactions involving non-residential properties, including those under £150,000 where there is no stamp duty liability, an SDLT return must still be filed with HMRC if the transaction value exceeds £40,000.

Categories of Non-Residential Property

Non-residential properties encompass a broad range of land and building types not intended for residential use. Each category presents unique characteristics that influence their classification and the applicable Stamp Duty Land Tax (SDLT) implications:

Commercial Properties

  • Definition: These are spaces specifically designed and used for business activities.
  • Types: Includes retail shops, office buildings, industrial facilities, and warehouses.
  • Characteristics: These properties are tailored for commercial operations, featuring layouts conducive to business operations, customer interaction, or manufacturing, rather than for living accommodations.
  • SDLT Implications: Typically taxed based on their value, with thresholds and rates applicable to commercial property transactions.


  • Definition: Land predominantly covered by trees and used for forestry or conservation.
  • Uses: Includes areas managed for timber production, wildlife reserves, or recreational purposes.
  • Characteristics: These lands are primarily ecological assets and are not suitable or intended for residential development.
  • SDLT Implications: Considered non-residential and taxed accordingly, recognising their primary use as timber production or conservation rather than habitation.

Agricultural Land

  • Definition: Land used for farming and other agricultural activities.
  • Types: Includes crop fields, pastures, orchards, vineyards, and facilities for storing farm equipment or processing agricultural products.
  • Characteristics: These lands are utilised for producing food, fibre, or other plant or animal products, and generally do not include residential structures related to the agricultural operation.
  • SDLT Implications: Taxed as non-residential unless the land includes residential dwellings that might change its classification.

Other Non-Dwelling Lands

  • Definition: This category includes land or properties that do not support any form of dwelling.
  • Examples: Commercial parking lots, industrial yards, mines, quarries, or land containing public utilities like water treatment facilities or electrical substations.
  • Characteristics: These are characterised by their lack of residential facilities and are typically used for commercial or industrial purposes.
  • SDLT Implications: Taxed under non-residential rates due to their use and the nature of activities conducted on them.

Blocks of 6 or More Residential Units

  • Context: This refers to purchases involving multiple residential units in a single transaction.
  • Threshold: Transactions involving six or more residential units at once.
  • Characteristics: Despite comprising residential units, the transaction is treated as commercial due to its scale and investment-focused nature.
  • SDLT Implications: Classified as non-residential for tax purposes, benefiting from potentially lower SDLT rates compared to individual residential property transactions.

Special Considerations for Agricultural Land

  • Context: When agricultural land is sold without residential structures and used solely for farming.
  • Implication: Classified as non-residential, recognising the primary use of the land for agriculture rather than as residential property.
  • SDLT Treatment: Taxed under non-residential rates, reflecting its use in agricultural production rather than personal dwelling.

Example Calculations

When properties are classified as non-residential, they are subject to different SDLT rates compared to residential properties. This classification directly impacts the tax payable during property transactions. Below, we’ll explore the SDLT rates for a non-residential property worth £1 million.

SDLT on Non-Residential Properties

For non-residential properties, SDLT rates are structured as follows:

  • Up to £150,000: 0%
  • From £150,001 to £250,000: 2%
  • Above £250,000: 5%

Example Calculation for a £1 Million Non-Residential Property:

  • Total SDLT: £39,500

SDLT on Residential Properties Purchased Through a Limited Company

Residential SDLT rates differ, and there is an extra 3% surcharge for purchases made by limited companies or individuals owning an additional property, resulting in higher rates compared to non-residential properties.

Example Calculation for a £1 Million Residential Property (with surcharge):

  • Total SDLT: £70,000

Classifying As Non Residential Due To Property Condition

(SDLT Classifications, Reliefs and Exemptions>Non Residential & Mixed-Use SDLT)

➤ Properties deemed uninhabitable with severe health or safety hazards may be classified as non-residential for Stamp Duty Land Tax (SDLT) purposes, potentially reducing tax liability compared to residential rates.

Definition of a Dwelling for SDLT Purposes

Legislation Overview: The definition of what constitutes a dwelling for Stamp Duty Land Tax (SDLT) purposes is detailed in various legislative documents, including SDLTM00385 and Schedule 4A of the Finance Act 2012. According to the legislation:

  • A property qualifies as a dwelling if it is used or suitable for use as a single dwelling, or is in the process of being constructed or adapted for such use.
  • Associated land or structures intended to be enjoyed with a dwelling (e.g., gardens, garages) are considered part of the dwelling.

Case Law Impact: PN Bewley vs HMRC

This case set a precedent that properties not habitable at the time of purchase should be classified as non-residential due to their condition. This ruling hinges on the property’s ability to be used immediately as a dwelling without substantial safety or structural concerns.

HMRC Guidance on Uninhabitable Properties

HM Revenue and Customs (HMRC) outlines specific guidelines for the classification of properties when assessing Stamp Duty Land Tax (SDLT). A key component of this guidance addresses properties that might not be classified as dwellings due to the presence of severe hazards. These hazards are significant enough that a local authority could issue a prohibition notice, effectively restricting the use of the property due to serious risks to health or safety.

Understanding HHSRS Hazards

Under the Housing Health and Safety Rating System (HHSRS), hazards are assessed and categorised into two groups based on their severity:

  • Category 1 Hazards: These are considered the most severe and present an immediate and significant risk to the health or safety of occupants. A local authority is compelled to take action when these hazards are identified. Examples include:
    • Failed Electrical Safety Tests: Properties with outdated, damaged, or improperly installed electrical systems pose risks such as electrical shocks or fires.
    • Failed Gas Safety Tests: Improperly maintained gas appliances, connections, or vents can lead to carbon monoxide poisoning or explosions.
    • Toxic Mould and Excessive Damp: Prolonged exposure to mould and damp environments can lead to respiratory issues, allergies, and other serious health problems. Mould growth is often indicative of deeper structural issues like leaks or poor ventilation.
    • Structural Damage: Compromised structural integrity, including failing roofs, cracked walls, or unstable floors, can lead to collapses or other immediate dangers to occupants.
    • Asbestos: The presence of asbestos in older buildings, if disturbed or deteriorating, can release fibres that are extremely harmful when inhaled, leading to severe lung diseases including cancer.
    • High Levels of Radon or Other Contaminants: Exposure to radon gas, heavy metals, or chemical contaminants, particularly in areas with polluted soil or water, can lead to serious health issues.
  • Category 2 Hazards: These are less severe but could pose potential risks. Local authorities may intervene, but it is not mandatory. Examples might include minor issues in electrical or gas installations that require maintenance but do not pose an immediate threat, lower levels of damp and mould, or minor structural wear that necessitates monitoring rather than immediate action.

Implications for Property Classification

Properties that present Category 1 hazards are often classified as non-residential for the purposes of SDLT because they are considered unfit for habitation until significant remedial actions are taken. This classification has substantial financial implications for buyers, as non-residential properties are subject to different SDLT rates, generally lower than those for residential properties.

The presence of these hazards and the resulting classification highlight the importance of thorough property inspections and assessments during the purchasing process. Potential buyers should be aware of the condition of the property and the possible need for extensive and costly repairs or legal compliance issues that could arise from such hazards.

Ambiguities in Classification for SDLT

Despite HMRC guidelines, there are ambiguities that can complicate the assessment for SDLT purposes, particularly regarding properties that are on the cusp of being deemed uninhabitable. The classification can significantly impact the SDLT liability, with non-residential rates generally being more favourable than residential rates.

Example of SDLT Classification Impact: A property bought for £500,000, initially intended as a dwelling but found to have Category 1 hazards, could be assessed as non-residential, potentially lowering the SDLT liability compared to if it were classified as a residential dwelling under normal circumstances.

Practical Example of SDLT Classification

Scenario: A property is purchased for £500,000.

  • As a Residential Property: Assuming it’s the only property owned but purchased by an investor, SDLT might include a 3% surcharge. Therefore, SDLT would be calculated as 3% on the first £250,000 and 8% on the next £250,000, totaling £27,500.
  • As Non-Residential or Mixed-Use Property: The rates might be £0 on the first £150,000, 2% on the next £100,000, and 5% on the remaining £250,000, totaling £14,500.
  • With Category 1 Hazards: If assessed as non-residential due to severe hazards, SDLT could be calculated using non-residential rates, potentially lowering the tax burden.


The classification of a property for SDLT purposes can significantly affect the tax liability. Property investors and buyers must carefully assess the condition and use of a property at the time of purchase and consider any potential hazards that might alter its classification from residential to non-residential under HMRC guidelines.


Classifying as Mixed Use

(SDLT Classifications, Reliefs and Exemptions>Non Residential & Mixed-Use SDLT)

➤ A mixed-use property combines residential and non-residential elements, leading to different SDLT assessments, and while this simplifies tax calculations, it may also allow for potential classification manipulation.

Definition of Mixed-Use Property: A mixed-use property is defined as one that combines both residential and non-residential elements within a single premises. This blend of uses affects how the property is assessed for Stamp Duty Land Tax (SDLT) purposes, often resulting in a different tax treatment compared to purely residential properties.

The HMRC guidance clearly indicates that any part of a property considered non-residential results in the whole transaction being assessed as non-residential for stamp duty purposes. This principle aims to simplify the tax assessment process but also raises questions about fairness and the potential for manipulation of property classifications to achieve tax savings.

HMRC Perspectives on Challenges with Mixed-Use Status

An HMRC consultation paper details the principles applied to the Stamp Duty Land Tax (SDLT) for mixed-use property transactions. The guidance underscores that properties with both residential and non-residential components are eligible for non-residential SDLT rates. Notably, even a minor non-residential portion—like a small commercially used plot within a predominantly residential property—can qualify the entire transaction for these lower rates.

Concerns of Rule Exploitation: The paper raises concerns about possible exploitation of these rules, where the considerable tax rate disparity might encourage transactions to be structured for mixed-use designation to capitalise on reduced rates. This is especially problematic when the non-residential component is trivial, potentially leading to significant tax rate disparities in predominantly residential transactions.

Policy Implications: By clarifying these guidelines, HMRC acknowledges that the current framework might not always reflect the true nature of property use, which could lead to perceived inequity. This is particularly relevant when compared to transactions classified as fully residential, which are subject to higher tax rates. The guidance aims to simplify the assessment process but also highlights potential fairness issues and the likelihood of tax classification manipulation to gain fiscal advantages.

Examples of Unreasonable Interpretations of Mixed-Use Property Rules by HMRC

  1. Residential Garage as Non-Residential: A buyer claimed that leasing a garage, which was part of a semi-detached house in a typical residential area, to a company for storage classified the entire property purchase—including the house and garden—as mixed-use, thus subject to lower non-residential SDLT rates.
  2. Access to Communal Garden: A buyer argued that a right of access to a communal garden, shared among residents of a prestigious residential square in London, meant their home purchase was a mixed-use transaction eligible for lower non-residential rates.
  3. Paddock Usage: A claim was made that a paddock behind a large residential property, used informally by a neighbour’s horse, rendered the entire property non-residential, qualifying it for lower SDLT rates contrary to its actual predominantly residential status.
  4. Right of Way Claims: Another case involved a buyer who claimed that a right of way across the grounds of a country house constituted non-residential land, arguing the entire property purchase should be taxed at non-residential rates despite the path being an integral part of the residential grounds.
  5. Home Office in Detached Garage: A purchaser argued that using a room above a detached garage as an office in a large rural home meant the entire property was non-residential. This was intended to reclassify a substantial residential dwelling to benefit from lower SDLT rates.

Types of Properties Classified as Mixed-Use

Mixed-use properties can vary widely, but typically include:

Retail and Residential

  • Description: This common type of mixed-use property features ground-level retail spaces with residential units above. The retail component typically faces the street to attract foot traffic, while the residential entry is often separate to ensure privacy and security for residents.
  • Common Configurations:
    • Shops and Flats: Street-facing shops or restaurants on the ground floor with apartments or flats on the upper floors.
    • Grocery Stores and Living Spaces: Larger retail units like supermarkets on the lower level with residential accommodations above.
  • Advantages:
    • Enhances convenience by providing residents easy access to shopping and services.
    • Increases foot traffic for businesses due to the built-in customer base living just above.

Office and Residential

  • Description: Properties designed to accommodate professional office spaces along with residential living areas, which can either occupy separate floors or distinct sections of the same building.
  • Examples:
    • Professional Buildings with Condos: Modern buildings housing law firms, tech startups, or medical practices on lower floors with luxury condominiums or apartments above.
    • Shared Facilities: Some mixed-use buildings offer amenities such as conference rooms, gyms, or lounges that serve both the commercial tenants and residents, fostering a community environment.
  • Advantages:
    • Provides professionals the opportunity to live near their workplace, enhancing work-life balance.
    • Attracts a diverse range of tenants, stabilising income through both commercial leases and residential rents.

Industrial and Residential

  • Description: These are less typical but increasingly popular in areas where light industrial work is combined with residential living. This type is often seen in revitalised industrial districts or in developments geared towards artists and makers.
  • Examples:
    • Artist Lofts: Renovated warehouses or factories offering studio space for artists with integrated living areas.
    • Startup Hubs: Spaces combining small manufacturing or tech workshop facilities with compact apartments, catering to entrepreneurs and small business owners.
  • Advantages:
    • Supports small-scale manufacturing and creative industries by providing flexible workspaces with living quarters.
    • Helps preserve industrial architecture while adapting to contemporary urban needs.

Property as Mixed-Use When Classified as Non-Residential Due to Condition Issues

When a residential property like a Victorian house with four apartments has one apartment that’s assessed as non-residential due to its condition, it may impact the entire property’s classification for Stamp Duty Land Tax (SDLT) purposes. Here’s how this scenario unfolds and the rationale behind the mixed-use assessment:

Identification of Hazards

  1. Category One Hazards: These are the most severe and pose immediate risks to health and safety. If one apartment in the Victorian house has significant issues like:
    • Dangerous electrics (risk of fire or electrocution),
    • Hazardous gas installations (risk of leaks or explosions),
    • Toxic mould or serious damp (leading to respiratory or structural problems), it can be classified as uninhabitable and therefore non-residential based on these conditions.
  1. Category Two Hazards: While less severe, multiple Category Two hazards can collectively render an apartment non-residential if they significantly impair the safety, health, or usability of the space. Examples include:
    • Minor but pervasive electrical problems,
    • Inadequate heating systems posing safety risks,
    • Persistent dampness affecting the structure.

SDLT Assessment Implications

  • Single Non-Residential Unit Impact: The presence of significant hazards in one of the apartments triggers a non-residential classification for that specific unit. According to HMRC guidelines, even if only one part of a larger property transaction is deemed non-residential, the entire property transaction can be classified as mixed-use.
  • Mixed-Use Classification: In this case, if one apartment is non-residential due to severe hazards, the entire building, despite the other three apartments being in habitable condition, can be considered mixed-use for SDLT purposes. This classification allows the property to be taxed under non-residential rates, which are typically lower than residential rates.

Rationale for Mixed-Use Assessment

  • Fairness and Simplification: This approach simplifies the tax assessment process by treating the entire property transaction uniformly under one classification, rather than segmenting the property into residential and non-residential components for tax purposes.
  • Tax Efficiency: By assessing the whole property as non-residential, the SDLT payable can be significantly reduced, providing a financial advantage to the buyer, especially when renovating or addressing the hazards in the non-habitable unit.
  • Regulatory Compliance: This treatment aligns with HMRC’s intent to ensure that properties taxed as residential are safe and fully habitable. It prevents scenarios where buyers might occupy or rent out unsafe dwellings to avoid higher tax rates.


When purchasing a multi-unit residential property with five or fewer dwellings in a single transaction, assessing it as mixed-use could lead to it being subject to the lower non-residential rates of stamp duty. However, classifying a single dwelling within the building as non-residential due to its condition, and thereby categorising the entire building as non-residential, should be approached cautiously. This method could be seen as a speculative strategy for optimising stamp duty payments if it involves any manipulation.

Scenarios Demonstrating Mixed-Use Classification Impact

Understanding the impact of mixed-use classification on Stamp Duty Land Tax (SDLT) requires a detailed look at various scenarios where residential properties incorporate non-residential elements. These scenarios highlight how seemingly minor non-residential features can significantly influence the overall SDLT liability for a property transaction.

  1. £1m Victorian House with Four Apartments

Scenario Details:

  • Condition of the Property: Among the four apartments in a Victorian-style house, one is rendered non-habitable due to the presence of Category One hazards, such as severe structural issues, asbestos, or other health-threatening conditions.
  • Classification: This one apartment’s condition leads to its classification as non-residential.

Implications for SDLT:

The classification of the property has a significant impact on the SDLT liability:

  • If classified as residential with a surcharge, the SDLT could be as high as £71,250.
  • If classified as non-residential, the liability reduces dramatically to £39,500, showcasing a substantial tax reduction.
  • Under the hypothetical scenario with multiple dwellings relief (now abolished), the total SDLT would have been £30,000, indicating even greater savings, but this relief is no longer available, emphasising the importance of how properties are classified for tax purposes.
  1. Large £5m Residential Property with Commercial Outhouses

Scenario Details:

  • Structure of the Property: A large residential estate not only serves as a home but also includes multiple outhouses that have been converted into spaces for commercial use, such as studios, workshops, or offices.
  • Commercial Use: These spaces are actively leased to third parties, creating a stream of commercial activity separate from the residential use.

Implications for SDLT:

The classification of the property significantly affects SDLT liabilities.

  • As a residential property without surcharge: £498,750
  • As a residential property with surcharge for development: £648,750
  • As non-residential/mixed-use property: £239,500, highlighting substantial tax reductions.
  • As separate multiple dwellings (hypothetical): £400,050, offering a comparative reduction but no longer applicable due to the abolishment of multiple dwellings relief.
  1. £2m Residential Property with Leased Land

Scenario Details:

  • Land Utilisation: Part of the land within a large residential property is leased to a local business, which uses it as a storage yard or for other commercial operations, such as a small-scale manufacturing or parking lot.
  • Extent of Commercial Use: The leased portion, while small relative to the total property area, is distinctly used for commercial purposes.

Implications for SDLT:

The classification of the property for SDLT purposes significantly affects the financial liability:

  • If classified as residential without surcharge, the SDLT is £138,750.
  • If classified as residential with the 3% surcharge, the SDLT liability is £198,750.
  • If classified as mixed-use, the liability is much lower at £89,500.
  • In the hypothetical scenario where it is treated as multiple dwellings, with three dwellings the total SDLT could be £84,999, illustrating how various classifications can result in different financial obligations. Note that multiple dwelling relief has now been abolished.


Exploring Linked Transactions and Mixed-Use Classifications

Linked transactions are a significant aspect of how Stamp Duty Land Tax (SDLT) is calculated when multiple properties are involved in a single deal or a series of related deals. The principle behind linked transactions is to treat them as a single financial transaction rather than individual purchases, which can have substantial implications for the total amount of SDLT due.

Key Principles of Linked Transactions:

Aggregation of Property Values:

  • When properties are purchased in linked transactions, the values of all involved properties are aggregated to form a single transaction value. This cumulative approach means that the SDLT is calculated on the total value, which can push the transaction into higher tax brackets.

Example of Aggregation:

  • Consider an investor purchasing five properties, each valued at £500,000. If these purchases are treated as linked transactions, the total transaction value is £2.5 million. SDLT is then calculated on this total amount, which could subject the investor to higher SDLT rates due to the cumulative value exceeding various tax thresholds.

Impact of Abolishment of Multiple Dwellings Relief (MDR):

  • Previously, investors could benefit from MDR in linked transactions involving multiple dwellings, which allowed for some tax relief by treating each dwelling as a separate entity for tax purposes. With the abolishment of MDR, this relief is no longer available, increasing the tax burden on investors as the entire value is subject to SDLT without the previously available deductions.

Classification of Transactions as Mixed-Use:

  • If any part of a linked transaction includes non-residential elements, the entire set of transactions may be classified as mixed-use. This classification can significantly affect the SDLT rate applied. Mixed-use properties are taxed at non-residential rates, which are generally lower than residential rates.

Building on the given scenario, let’s explore specific calculations for Stamp Duty Land Tax (SDLT) liabilities, including those involving linked transactions under various tax treatments.

Scenario Details:

  • Total Purchase Price: £2.5 million
  • Property: Large building divided into five apartments.

SDLT Calculations:

  1. Residential Rates Including the 3% Surcharge:

For residential properties bought by investors who already own property, there is an additional 3% surcharge on top of the standard residential rates.

Residential SDLT Rates:

  • Total SDLT without the surcharge = £211,250
  • Total SDLT with 3% surcharge = £286,250
  1. Non-Residential Rates (Assuming Mixed-Use Classification):

When a part of the property is non-residential, the entire transaction is typically assessed at non-residential rates, which are lower than the residential rates.

Total SDLT at non-residential rates: £114,500


Comparing both scenarios:

  • Residential with surcharge: £286,250
  • Non-Residential (Mixed-Use): £114,500

This demonstrates a substantial difference in tax liability, with the non-residential classification offering a significant tax advantage. This scenario highlights the financial impact of property classification on SDLT and underscores the importance of careful assessment and planning in property investments, especially when mixed-use elements are involved.

Overall Conclusion.

HMRC’s guidelines emphasise that the inclusion of any non-residential element, no matter how small, changes the SDLT assessment to favour the taxpayer. However, this has raised concerns about possible manipulations of the system, where transactions predominantly residential in nature are structured to exploit these lower rates. The HMRC’s focus is to ensure that the tax treatment aligns fairly with the property’s actual use, reflecting ongoing challenges in balancing tax policy with economic realities.  

* indicates required

Intuit Mailchimp

This Article Written By Nick Garner
Founder Stamp Duty Advice Bureau
Author of Stamp Duty Land Tax Guide
For Property Investors.