Can I claim back VAT on a self-build or DIY home conversion?

Full answer

The DIY Housebuilders Scheme exists because newly built homes sold by developers are zero-rated for VAT, so HMRC lets individuals who build or convert their own home reclaim the VAT they pay so they are not worse off. It affects self-builders constructing a brand-new dwelling and people converting a non-residential building (such as a barn or office) into a home. It does not apply to buy-to-let projects, businesses, or works to an existing dwelling you already live in. What you can reclaim depends on the project. For a genuinely new build, eligible builders' services should already be zero-rated, so the claim mainly covers VAT charged on materials at the standard 20% rate. For a qualifying conversion, contractors can often charge a reduced rate on their labour, and you reclaim VAT on materials. You cannot reclaim VAT on professional fees (architects, surveyors) or on most fitted furniture and some appliances. Worked illustration of the mechanism: if you buy GBP 60,000 of eligible materials that carried 20% VAT, that is GBP 10,000 of VAT, which is the amount you would claim back (subject to eligibility of each item). Use a VAT calculator to separate the net and VAT elements of each invoice. Key 2026/27 points: you make a single claim to HMRC, you must keep all invoices, and the claim must be submitted within the statutory time limit after the building is completed (evidenced by a completion certificate). HMRC can request the original documents. Because the precise claim form rules and item-by-item eligibility are detailed and change, confirm current requirements on gov.uk before submitting. The headline VAT rate to apply when checking invoices is 20%.

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