Cost to Build a Single Storey Extension in TW3

Build a single storey extension in TW3 from £53,560

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Single storey extension cost in TW3

Extension builder estimates (based on hourly rates) to build a single storey extension in TW3

Estimates for single storey extension near TW3

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Borough in London
Single Storey Extension in Hounslow
Single Storey Extension in Whitton
Single Storey Extension in Heston
Single Storey Extension in Osterley
Single Storey Extension in Strawberry Hill
Single Storey Extension in Twickenham
Single Storey Extension in Southall
Single Storey Extension in Faltham
Single Storey Extension in Hatton
Single Storey Extension in Brentford

Estimates for common extension builder jobs in TW3;

Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building

Underpin a building - £17,594

Two storey extension

Two storey extension - £88,142

Build a timber frame extension

Build a timber frame extension - £26,094

Build a swimming pool

Build a swimming pool - £81,094

Single storey extension

Single storey extension - £56,888

Side return extension

Side return extension - £42,562

Install an RSJ

Install an RSJ - £2,294

Outbuilding

Outbuilding - £10,094

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,094

Loft conversion

Loft conversion - £34,635

Build a kitchen extension

Build a kitchen extension - £42,094

Hip to gable loft conversion

Hip to gable loft conversion - £42,094

Granny annexe

Granny annexe - £87,094

Garden office

Garden office - £10,094

Convert a Garage

Convert a Garage - £16,094

Garage

Garage - £18,594

Build a flat roof extension

Build a flat roof extension - £22,094

Build a dormer loft conversion

Build a dormer loft conversion - £42,094

Concrete foundations

Concrete foundations - £6,344

Convert a bungalow loft

Convert a bungalow loft - £29,094

Convert a basement

Convert a basement - £38,562

More extensions & conversions cost guides...