Cost to Build a Single Storey Extension in DA3

Build a single storey extension in DA3 from £52,600

Single storey extension cost in DA3 - Sort by rates or availability

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Extension builder estimates (based on hourly rates) to build a single storey extension in DA3

Estimates for single storey extension near DA3

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Borough in London
Single Storey Extension in Hartley
Single Storey Extension in Meopham
Single Storey Extension in Horton Kirby
Single Storey Extension in Northfleet
Single Storey Extension in Swanscombe
Single Storey Extension in Gravesend
Single Storey Extension in Stone
Single Storey Extension in Darenth
Single Storey Extension in Swanley
Single Storey Extension in Wrotham

Estimates for common extension builder jobs in DA3;

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 - £17,890

Two storey extension

Two storey extension - £88,584

Build a timber frame extension

Build a timber frame extension - £26,390

Build a swimming pool

Build a swimming pool - £81,390

Single storey extension

Single storey extension - £62,792

Side return extension

Side return extension - £45,883

Install an RSJ

Install an RSJ - £2,590

Outbuilding

Outbuilding - £10,390

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,390

Loft conversion

Loft conversion - £37,403

Build a kitchen extension

Build a kitchen extension - £42,390

Hip to gable loft conversion

Hip to gable loft conversion - £42,390

Granny annexe

Granny annexe - £87,390

Garden office

Garden office - £10,390

Convert a Garage

Convert a Garage - £16,390

Garage

Garage - £18,890

Build a flat roof extension

Build a flat roof extension - £22,390

Build a dormer loft conversion

Build a dormer loft conversion - £42,390

Concrete foundations

Concrete foundations - £6,640

Convert a bungalow loft

Convert a bungalow loft - £29,390

Convert a basement

Convert a basement - £41,883

More extensions & conversions cost guides...