VAT on new builds, conversions and listed work

The VAT position on a new build or conversion changes the real cost of a project by more than most design decisions do. Construction of a new dwelling is zero rated for the builder's services. Converting a non-residential building into dwellings attracts the reduced rate. Work to a listed building, by contrast, has been standard rated since the zero rate for approved alterations was withdrawn in 2012, which still surprises owners who have heard otherwise.

Self-builders recover VAT differently again, through a refund scheme rather than through a zero rated contractor. The rules reward people who read them before signing contracts.

Why the VAT position changes the real cost

On a project with a construction cost of several hundred thousand pounds, the difference between zero rate, reduced rate and standard rate is not a detail. It affects whether a scheme is affordable and sometimes which scheme is worth pursuing.

It also interacts with design and planning decisions in ways nobody expects. Whether a building is demolished to slab level or retains a facade can determine whether the work is a new build or an alteration. Whether a planning condition restricts separate occupation can determine whether an annexe qualifies for zero rating at all.

So treat the VAT position as a design input, decided early with an accountant, rather than as something to sort out at invoice stage.

New dwellings and the zero rate

The construction of a building designed as a dwelling is zero rated for the contractor's services, and for materials supplied with those services. The customer pays no VAT on that element at all, rather than paying it and reclaiming it.

Four conditions have to be met for a building to be designed as a dwelling, and the planning-related ones catch people out:

• the dwelling consists of self-contained living accommodation
• there is no provision for direct internal access to any other dwelling
• statutory planning consent has been granted and the work is carried out in accordance with it
• the separate use or disposal of the dwelling is not prohibited by the terms of any covenant, statutory planning consent or similar provision

That last condition is the one worth reading twice. An annexe permitted with a condition tying its occupation to the main house, or restricting its separate disposal, fails the test. The work is then standard rated, which can add a material sum to the bill for a building the owner thought of as a new dwelling.

If separate use matters to the budget, raise it at application stage. A condition drafted as ancillary occupation rather than prohibition of separate disposal may achieve the council's purpose without destroying the VAT position, and that is a conversation to have with the case officer while the application is live. The point belongs in the Planning Statement, framed in planning terms rather than as a tax argument.

Demolition and rebuild sits in the same territory. A building is generally treated as new where the existing structure is demolished to ground level, with narrow exceptions where a facade is retained as an explicit condition of planning consent.

Conversions and the reduced rate

Converting a non-residential building into one or more dwellings attracts the reduced rate of 5 per cent on qualifying services. The same reduced rate applies to a conversion that changes the number of dwellings in a building, and to the renovation of a dwelling that has been empty for at least two years before the work starts.

The two-year empty dwelling rule is widely missed on refurbishment projects. Evidence of the vacancy period matters, and a letter from the local authority's empty property officer or council tax records is the usual proof.

Reduced rating applies to the contractor's services and to materials supplied with them. It does not apply to materials bought separately by the owner from a merchant, which come at the standard rate, and it does not apply to professional fees.

Rates and conditions are set by HM Revenue and Customs and change, so check the current notice rather than relying on this table alone.

The self-build reclaim scheme and its deadline

Where you build your own home, or convert a non-residential building into your own home, and no contractor is zero rating the work, the refund scheme lets you reclaim VAT paid on eligible materials. For a conversion it also covers VAT charged on services at the reduced rate.

The scheme has hard edges. It covers materials incorporated into the building that cannot be removed without tools or damaging the fabric, which excludes most fitted furniture, carpets, white goods and garden landscaping beyond stated limits. It covers one claim per project, so the paperwork has to be complete when it is submitted.

The time limit was extended at the end of 2023 and claims can now be submitted online as well as on paper. Check the current limit on the government guidance before you rely on a figure, because the deadline runs from completion and missing it forfeits the whole claim.

Completion for these purposes is evidenced by a document such as a building control completion certificate or a valuation for council tax purposes. Where a project is occupied long before it is finished, which is normal for self-builds, the date on that certificate is the one that starts the clock.

Evidence a reclaim requires

Build the file as you go. And do not put it off, because reconstructing it afterwards is miserable. The claim needs the planning permission, the approved plans, the completion evidence, and every invoice.

Invoices must show the supplier's VAT number, a description of the goods, the amount of VAT, and your name or the site address. A till receipt without a VAT number is not acceptable for a large item, and merchants will issue a proper invoice if asked at the time rather than months later.

Keep materials and services separate in the file, and keep ineligible items separate too rather than hoping they pass. A claim with obvious ineligible items invites scrutiny of everything else in it. Treat the record keeping with the same discipline you would give to budgeting utility connections and diversions, where the invoices also arrive over a long period and from several parties.

Where planning conditions affect eligibility

Beyond the separate disposal condition, two other planning matters bear on VAT.

Conditions requiring retention of part of an existing building can turn what would have been a new build into an alteration. Where the design intent is a replacement dwelling, resist a condition requiring retention of a wall unless there is a planning reason for it, and understand the cost consequence if one is imposed.

Occupancy conditions on rural dwellings, such as agricultural ties, restrict disposal and can affect eligibility. The same is true of holiday occupancy conditions. Where a scheme depends on zero rating to be viable, the condition wording is a commercial issue as much as a planning one. Fee reliefs work on a separate basis entirely, as planning fee exemptions for disabled adaptations shows, and a VAT relief and a fee exemption do not follow each other.

Professional fees and their treatment

Architects, engineers, planning consultants, surveyors and building control fees are standard rated services, and they are not recoverable under the self-build scheme. That is a fixed cost on every project and it should be budgeted gross.

One consequence worth noting. Where a contractor supplies design and build as a single zero rated supply of construction services for a new dwelling, the design element can fall within the zero rate, whereas the same design bought separately from a consultant does not. Procurement route affects tax treatment, and that is a conversation for the accountant before the contracts are let.

Checking the current position before relying on it

VAT rules, thresholds and the refund scheme deadline all change. The published guidance is the authority on the position, and the detail of what counts as a dwelling, what counts as a conversion and what materials are eligible has produced a long line of tribunal decisions.

This is general guidance on planning and project budgeting, not tax or legal advice. Confirm the VAT treatment of your project with HM Revenue and Customs guidance and a qualified accountant, and check any condition wording with your local planning authority or a qualified professional before relying on it.

PlanScope provides AI-assisted draft reports for planning applications. Reports should be reviewed before submission. We do not guarantee planning approval. See PlanScope pricing if you are costing the supporting documents alongside the build.