Estiquote

Local costs · September 2026

What home projects cost near you

Building prices differ by region, and every council sets its own building control charges. Pick your council to see local prices for extensions, lofts, kitchens and bathrooms, with that council's published fees. Council not listed? The calculator covers every UK postcode.

London · South East · East of England · South West · West Midlands · East Midlands · North West · Yorkshire and the Humber · Wales · North East

London

A mid-range 25 m² single-storey extension: £85,000 to £105,000 including VAT. Building prices in London run about 35% above the UK average outside London. Kitchens and bathrooms vary less from place to place than extensions and lofts.

South East

A mid-range 25 m² single-storey extension: £72,500 to £89,500 including VAT. Building prices in South East run about 15% above the UK average outside London. Kitchens and bathrooms vary less from place to place than extensions and lofts.

East of England

A mid-range 25 m² single-storey extension: £67,500 to £83,500 including VAT. Building prices in East of England run about 7% above the UK average outside London. Kitchens and bathrooms vary less from place to place than extensions and lofts.

South West

A mid-range 25 m² single-storey extension: £65,500 to £81,000 including VAT. Building prices in South West run about 4% above the UK average outside London. Kitchens and bathrooms vary less from place to place than extensions and lofts.

West Midlands

A mid-range 25 m² single-storey extension: £61,000 to £75,500 including VAT. Building prices in West Midlands run about 3% below the UK average outside London. Kitchens and bathrooms vary less from place to place than extensions and lofts.

East Midlands

A mid-range 25 m² single-storey extension: £60,000 to £74,000 including VAT. Building prices in East Midlands run about 5% below the UK average outside London. Kitchens and bathrooms vary less from place to place than extensions and lofts.

North West

A mid-range 25 m² single-storey extension: £58,500 to £72,500 including VAT. Building prices in North West run about 7% below the UK average outside London. Kitchens and bathrooms vary less from place to place than extensions and lofts.

Yorkshire and the Humber

A mid-range 25 m² single-storey extension: £58,000 to £72,000 including VAT. Building prices in Yorkshire and the Humber run about 8% below the UK average outside London. Kitchens and bathrooms vary less from place to place than extensions and lofts.

Wales

A mid-range 25 m² single-storey extension: £56,500 to £70,000 including VAT. Building prices in Wales run about 10% below the UK average outside London. Kitchens and bathrooms vary less from place to place than extensions and lofts.

North East

A mid-range 25 m² single-storey extension: £55,500 to £68,500 including VAT. Building prices in North East run about 12% below the UK average outside London. Kitchens and bathrooms vary less from place to place than extensions and lofts.

Scotland and Northern Ireland

Scotland and Northern Ireland use national building warrant and building control fee scales rather than council schedules. See them on our building control fees page and price your project with the calculator.