Cost to Build a Single Storey Extension in Keston

Build a single storey extension in Keston from £46,360

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

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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Single Storey Extension in Keston
Single Storey Extension in West Wickam
Single Storey Extension in Bromley
Single Storey Extension in Beckenham
Single Storey Extension in Chislehurst
Single Storey Extension in Orpington
Single Storey Extension in Petts Wood
Single Storey Extension in Catford
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 - £17,571

Two storey extension

Two storey extension - £88,107

Build a timber frame extension

Build a timber frame extension - £26,071

Build a swimming pool

Build a swimming pool - £81,071

Single storey extension

Single storey extension - £56,424

Side return extension

Side return extension - £42,301

Install an RSJ

Install an RSJ - £2,271

Outbuilding

Outbuilding - £10,071

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,071

Loft conversion

Loft conversion - £34,418

Build a kitchen extension

Build a kitchen extension - £42,071

Hip to gable loft conversion

Hip to gable loft conversion - £42,071

Granny annexe

Granny annexe - £87,071

Garden office

Garden office - £10,071

Convert a Garage

Convert a Garage - £16,071

Garage

Garage - £18,571

Build a flat roof extension

Build a flat roof extension - £22,071

Build a dormer loft conversion

Build a dormer loft conversion - £42,071

Concrete foundations

Concrete foundations - £6,321

Convert a bungalow loft

Convert a bungalow loft - £29,071

Convert a basement

Convert a basement - £38,301

More extensions & conversions cost guides...