Cost to Build a Single Storey Extension in Mill Hill

Build a single storey extension in Mill Hill from £49,240

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Single storey extension cost in Mill Hill - Sort by rates or availability

"I'm very happy for the job what his done" - LONDON,reviewed 29/09/17, SIMONA

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

Estimates for single storey extension near Mill Hill

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Estimates for common extension builder jobs in Mill Hill;

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 - £17,628

Two storey extension

Two storey extension - £88,192

Build a timber frame extension

Build a timber frame extension - £26,128

Build a swimming pool

Build a swimming pool - £81,128

Single storey extension

Single storey extension - £57,560

Side return extension

Side return extension - £42,940

Install an RSJ

Install an RSJ - £2,328

Outbuilding

Outbuilding - £10,128

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,128

Loft conversion

Loft conversion - £34,950

Build a kitchen extension

Build a kitchen extension - £42,128

Hip to gable loft conversion

Hip to gable loft conversion - £42,128

Granny annexe

Granny annexe - £87,128

Garden office

Garden office - £10,128

Convert a Garage

Convert a Garage - £16,128

Garage

Garage - £18,628

Build a flat roof extension

Build a flat roof extension - £22,128

Build a dormer loft conversion

Build a dormer loft conversion - £42,128

Concrete foundations

Concrete foundations - £6,378

Convert a bungalow loft

Convert a bungalow loft - £29,128

Convert a basement

Convert a basement - £38,940

More extensions & conversions cost guides...