Cost to Build a Single Storey Extension in Chiswick

Build a single storey extension in Chiswick from £53,080

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Single storey extension cost in Chiswick - Sort by rates or availability

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

Estimates for single storey extension near Chiswick

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Single Storey Extension in Chiswick
Single Storey Extension in Acton
Single Storey Extension in Barnes
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Single Storey Extension in Shepherd's Bush
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Single Storey Extension in Ealing
Single Storey Extension in West Kensington

Estimates for common extension builder jobs in Chiswick;

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 - £17,754

Two storey extension

Two storey extension - £88,380

Build a timber frame extension

Build a timber frame extension - £26,254

Build a swimming pool

Build a swimming pool - £81,254

Single storey extension

Single storey extension - £60,072

Side return extension

Side return extension - £44,353

Install an RSJ

Install an RSJ - £2,454

Outbuilding

Outbuilding - £10,254

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,254

Loft conversion

Loft conversion - £36,128

Build a kitchen extension

Build a kitchen extension - £42,254

Hip to gable loft conversion

Hip to gable loft conversion - £42,254

Granny annexe

Granny annexe - £87,254

Garden office

Garden office - £10,254

Convert a Garage

Convert a Garage - £16,254

Garage

Garage - £18,754

Build a flat roof extension

Build a flat roof extension - £22,254

Build a dormer loft conversion

Build a dormer loft conversion - £42,254

Concrete foundations

Concrete foundations - £6,504

Convert a bungalow loft

Convert a bungalow loft - £29,254

Convert a basement

Convert a basement - £40,353

More extensions & conversions cost guides...