These are VAT 431C ‘VAT refunds for DIY housebuilders - Claim form for conversions’ and VAT 431NB ‘VAT refunds for DIY housebuilders - Claim form for new houses’.
These are VAT 431C ‘VAT refunds for DIY housebuilders - Claim form for conversions’ and VAT 431NB ‘VAT refunds for DIY housebuilders - Claim form for new houses’.