Cost to Build a Single Storey Extension in SE3

Build a single storey extension in SE3 from £47,320

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Single storey extension cost in SE3 - Sort by rates or availability

Extension builder estimates (based on hourly rates) to build a single storey extension in SE3

Estimates for single storey extension near SE3

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Borough in London
Single Storey Extension in Blackheath
Single Storey Extension in Charlton
Single Storey Extension in Greenwich
Single Storey Extension in Lewisham
Single Storey Extension in Grove Park
Single Storey Extension in Deptford
Single Storey Extension in Eltham
Single Storey Extension in Brockley
Single Storey Extension in Woolwich
Single Storey Extension in Catford

Estimates for common extension builder jobs in SE3;

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 - £17,537

Two storey extension

Two storey extension - £88,055

Build a timber frame extension

Build a timber frame extension - £26,037

Build a swimming pool

Build a swimming pool - £81,037

Single storey extension

Single storey extension - £55,736

Side return extension

Side return extension - £41,914

Install an RSJ

Install an RSJ - £2,237

Outbuilding

Outbuilding - £10,037

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,037

Loft conversion

Loft conversion - £34,095

Build a kitchen extension

Build a kitchen extension - £42,037

Hip to gable loft conversion

Hip to gable loft conversion - £42,037

Granny annexe

Granny annexe - £87,037

Garden office

Garden office - £10,037

Convert a Garage

Convert a Garage - £16,037

Garage

Garage - £18,537

Build a flat roof extension

Build a flat roof extension - £22,037

Build a dormer loft conversion

Build a dormer loft conversion - £42,037

Concrete foundations

Concrete foundations - £6,287

Convert a bungalow loft

Convert a bungalow loft - £29,037

Convert a basement

Convert a basement - £37,914

More extensions & conversions cost guides...