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Self BuildersNew Build VATCan I Reclaim VAT on Building Materials for a Self-Build?
New Build VAT — HMRC Notice 708

Can I Reclaim VAT on Building Materials for a Self-Build?

Yes — VAT on eligible building materials that you bought directly is the main subject of a VAT431NB claim. The materials must be building materials for VAT purposes (broadly, goods ordinarily incorporated into that type of building), they must have been incorporated into the building before completion, and you must have a valid VAT invoice showing the VAT you paid. Fitted carpets, most gas and electrical appliances, furniture (except fitted kitchen furniture), tools and consumables are excluded.

20%

Why this matters

Building materials bought direct from merchants are correctly charged at 20% standard rate. On £60,000 of qualifying direct material purchases, that is £10,000 of reclaimable VAT — but only for items that meet HMRC's building-material definition and have valid VAT invoices.

The key distinctions

Qualifying — structural and incorporated materials

Bricks, blocks, concrete, timber, steel, insulation, roofing materials, windows, external doors, plasterboard, floor and wall tiles, sanitaryware, radiators, pipework, wiring, consumer units and cable are ordinarily qualifying building materials.

Qualifying — fitted kitchen furniture

Fitted kitchen furniture and the materials used to construct fitted kitchen furniture are treated as building materials under HMRC's rules. Units fixed to walls or floors that cannot be removed without damage typically qualify.

Excluded — fitted carpets and most appliances

Fitted carpets and underlay are specifically excluded. Most electrical and gas appliances (fridges, ovens, washing machines, dishwashers) are excluded. Exceptions exist for qualifying heating, ventilation and air-conditioning appliances.

Excluded — furniture and free-standing items

Free-standing or removable furniture, curtains, blinds, light fittings that are not wired in, tools, plant hire and consumables (sealant, paint, fixings) do not qualify as building materials.

Practical checklist

  • Keep every merchant receipt and invoice for materials bought directly
  • Check each invoice meets HMRC's requirements (supplier name, VAT number, date, description, net/VAT/gross)
  • Confirm each material was incorporated into the building before the completion certificate date
  • Exclude fitted carpets, most appliances, furniture and tools from your claim
  • Include tiles, sanitaryware, windows, doors, timber, insulation, plasterboard and similar structural materials
  • Keep records of fitted kitchen furniture purchases separately — these do qualify
  • Check whether supply-and-install items are in the contractor's invoice or your own purchase

HMRC notice references

HMRC Notice 708 Section 3Building materials — definition and exclusions
HMRC VAT431NB notesEligible goods — qualifying building materials

VATBuild is not affiliated with HMRC. References to HMRC publications are for informational purposes. Always consult a qualified tax adviser before submitting a reclaim.

How VATBuild helps

What VATBuild checks for this situation

VATBuild classifies each line item on every invoice as potentially claimable building material, excluded item or uncertain — applying HMRC's building-material rules and the project's confirmed conditions. It identifies common exclusions (carpets, appliances, furniture) automatically and flags items that need a human decision (qualifying heating appliances, supply-and-install splits).