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If you’re selling a property not buying one – you might wonder why you’d need to think about Stamp Duty Land Tax (SDLT)?
Stamp duty is usually of primary concern to purchasers, as they are the ones who have to pay it.
But when a property has both residential and non-residential elements, the SDLT classification can shift the tax bill by tens of thousands of pounds. And that difference often feeds directly into negotiations, affordability, and ultimately the price a buyer is prepared to offer – it is therefore something that sellers should consider, ideally before their property goes on the market.
At the heart of the issue is the distinction between residential SDLT rates (which go up to 17% for properties costing more than £1.5m) and mixed‑use (non‑residential) SDLT rates which are capped at 5%.
Emma Walker, Senior Tax Adviser explains why a property being considered ‘mixed-use’ can give a seller an edge in a competitive property market.
What is mixed-use property for SDLT purposes?
For SDLT purposes, “residential property” includes:
- a building used or suitable for use as a dwelling;
- land forming part of the garden or grounds of that dwelling; and
- certain rights benefiting the dwelling or its grounds.
Anything that is not residential property is non-residential property. A property is mixed use if it includes both residential and non-residential elements.
Sounds simple doesn’t it? However, disputes often arise around whether particular parcels of land are part of the “garden or grounds” of the dwelling, or whether part of a building used for business remains suitable for residential use.
As an example, when considering whether land was residential or non-residential, in the Suterwalla case, the First-tier Tribunal held that a paddock acquired with a house was not part of the dwelling’s grounds, so the purchase was mixed use. Relevant factors included the paddock’s separate title, limited access from the garden, lack of visibility from the house, and a grazing lease that gave the paddock a separate commercial function.
HMRC’s guidance on mixed residential/non-residential buildings takes a similar approach. A home office within an ordinary house will usually remain part of the dwelling. But where part of a building is dedicated to commercial use and physically or functionally separated, that part may cease to be used as, or suitable for use as, a dwelling. Adaptations and planning restrictions can be important so a ‘light touch’ conversion of a ground floor space for business use which can easily be reversed may not be sufficient to change a building’s residential status.
How can having a mixed-use property translate into a commercial advantage?
- A buyer facing a lower SDLT bill may have more room in their budget for the purchase price.
- The property may appeal more strongly to investors, business owners and buyers who already own other dwellings.
- Lower transaction costs can reduce price pressure during negotiations.
- Clear mixed-use status can reduce delays caused by SDLT uncertainty.
What can sellers do to create or support genuine mixed-use status?
A seller cannot safely “engineer” mixed-use treatment by description alone. The property must actually include a non-residential element at completion. Still, there are legitimate steps that may help where the facts support them.
First, identify whether there is already a genuine non-residential element. Examples may include:
- a shop, surgery, studio or office area physically set aside from the living accommodation;
- land used under a grazing, storage or other commercial arrangement;
- a workshop or yard with a separate business function;
- land subject to rights or restrictions inconsistent with ordinary residential grounds.
Second, if part of the property is being used commercially, ensure the use is clearly evidenced.
Third, consider physical and legal separation of the residential and non-residential aspects of the property where appropriate. Factors that may help support mixed-use status include:
- separate access;
- a separate title or clearly delineated areas (e.g. using hedging or fencing);
- leases or licences to third parties;
- planning permission or restrictions;
- business rates treatment;
- physical adaptations making part unsuitable for ordinary residential occupation.
Documentation mixed use property sellers should have in place
If mixed-use treatment may be relevant, sellers should expect buyers and their advisers to ask for evidence. Useful documents may include:
- office copy entries and title plans showing separate parcels or boundaries;
- leases, licences or grazing agreements in force at completion;
- planning permissions, lawful use certificates or restrictive conditions;
- business rates assessments or correspondence;
- photographs, floorplans and site plans showing separation and layout;
- invoices, accounts or other records evidencing commercial use;
- tenancy or occupational documents for any non-residential area.
Consistency matters here! The legal documents, replies to enquiries, valuation material and sales particulars should not contradict each other.
Considering your options
From a seller’s standpoint, the value of mixed-use status is not the tax saving itself, but what that saving can do to buyer behaviour.
Lower SDLT can support stronger bids, broaden demand and reduce renegotiation risk. But those benefits are sustainable only where the mixed-use analysis is grounded in the legislation and supported by the facts on completion.
Sellers who want to position a property this way should focus on genuine commercial or non-residential features, proper documentation and careful, accurate marketing. If the property is truly mixed use, it can be a meaningful selling point.
We’re here to help
Whether you’re selling or buying a residential, non-residential or mixed-use property, understanding the rules and presenting the property accurately matters.
For guidance and support with SDLT or any other property tax get in contact with Emma or one of the team by calling 0330 058 6559 or email hello@scruttonbland.co.uk
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