Cost to Build a Single Storey Extension in Keston

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Build a single storey extension in Keston from £44,120

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Single storey extension cost in Keston

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

Estimates for single storey extension near Keston

"Single storey extension" - BR2, job posted 01/01/70

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Borough in London
Single Storey Extension in Keston
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Single Storey Extension in Penge
Single Storey Extension in Grove Park

Estimates for common extension builder jobs in Keston;

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 - £17,560

Two storey extension

Two storey extension - £88,090

Build a timber frame extension

Build a timber frame extension - £26,060

Build a swimming pool

Build a swimming pool - £81,060

Single storey extension

Single storey extension - £56,200

Side return extension

Side return extension - £42,175

Install an RSJ

Install an RSJ - £2,260

Outbuilding

Outbuilding - £10,060

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,060

Loft conversion

Loft conversion - £34,313

Build a kitchen extension

Build a kitchen extension - £42,060

Hip to gable loft conversion

Hip to gable loft conversion - £42,060

Granny annexe

Granny annexe - £87,060

Garden office

Garden office - £10,060

Convert a Garage

Convert a Garage - £16,060

Garage

Garage - £18,560

Build a flat roof extension

Build a flat roof extension - £22,060

Build a dormer loft conversion

Build a dormer loft conversion - £42,060

Concrete foundations

Concrete foundations - £6,310

Convert a bungalow loft

Convert a bungalow loft - £29,060

Convert a basement

Convert a basement - £38,175

More extensions & conversions cost guides...