Cost to Build a Single Storey Extension in TW4

Build a single storey extension in TW4 from £53,560

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Single storey extension cost in TW4

Extension builder estimates (based on hourly rates) to build a single storey extension in TW4

Estimates for single storey extension near TW4

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

Estimates for common extension builder jobs in TW4;

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 - £17,667

Two storey extension

Two storey extension - £88,251

Build a timber frame extension

Build a timber frame extension - £26,167

Build a swimming pool

Build a swimming pool - £81,167

Single storey extension

Single storey extension - £58,344

Side return extension

Side return extension - £43,381

Install an RSJ

Install an RSJ - £2,367

Outbuilding

Outbuilding - £10,167

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,167

Loft conversion

Loft conversion - £35,318

Build a kitchen extension

Build a kitchen extension - £42,167

Hip to gable loft conversion

Hip to gable loft conversion - £42,167

Granny annexe

Granny annexe - £87,167

Garden office

Garden office - £10,167

Convert a Garage

Convert a Garage - £16,167

Garage

Garage - £18,667

Build a flat roof extension

Build a flat roof extension - £22,167

Build a dormer loft conversion

Build a dormer loft conversion - £42,167

Concrete foundations

Concrete foundations - £6,417

Convert a bungalow loft

Convert a bungalow loft - £29,167

Convert a basement

Convert a basement - £39,381

More extensions & conversions cost guides...