Cost to Build a Single Storey Extension in BR5

Build a single storey extension in BR5 from £52,280

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Single storey extension cost in BR5

Extension builder estimates (based on hourly rates) to build a single storey extension in BR5

Estimates for single storey extension near BR5

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Borough in London
Single Storey Extension in Petts Wood
Single Storey Extension in Orpington
Single Storey Extension in Chislehurst
Single Storey Extension in Sidcup
Single Storey Extension in Swanley
Single Storey Extension in Bexley
Single Storey Extension in Keston
Single Storey Extension in Bromley
Single Storey Extension in Bexley
Single Storey Extension in Eltham

Estimates for common extension builder jobs in BR5;

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 - £17,596

Two storey extension

Two storey extension - £88,144

Build a timber frame extension

Build a timber frame extension - £26,096

Build a swimming pool

Build a swimming pool - £81,096

Single storey extension

Single storey extension - £56,920

Side return extension

Side return extension - £42,580

Install an RSJ

Install an RSJ - £2,296

Outbuilding

Outbuilding - £10,096

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,096

Loft conversion

Loft conversion - £34,650

Build a kitchen extension

Build a kitchen extension - £42,096

Hip to gable loft conversion

Hip to gable loft conversion - £42,096

Granny annexe

Granny annexe - £87,096

Garden office

Garden office - £10,096

Convert a Garage

Convert a Garage - £16,096

Garage

Garage - £18,596

Build a flat roof extension

Build a flat roof extension - £22,096

Build a dormer loft conversion

Build a dormer loft conversion - £42,096

Concrete foundations

Concrete foundations - £6,346

Convert a bungalow loft

Convert a bungalow loft - £29,096

Convert a basement

Convert a basement - £38,580

More extensions & conversions cost guides...