Cost to Build a Single Storey Extension in Harlesden

Build a single storey extension in Harlesden from £53,080

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Single storey extension cost in Harlesden

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

Estimates for single storey extension near Harlesden

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Single Storey Extension in Harlesden
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Estimates for common extension builder jobs in Harlesden;

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 - £17,814

Two storey extension

Two storey extension - £88,470

Build a timber frame extension

Build a timber frame extension - £26,314

Build a swimming pool

Build a swimming pool - £81,314

Single storey extension

Single storey extension - £61,272

Side return extension

Side return extension - £45,028

Install an RSJ

Install an RSJ - £2,514

Outbuilding

Outbuilding - £10,314

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,314

Loft conversion

Loft conversion - £36,690

Build a kitchen extension

Build a kitchen extension - £42,314

Hip to gable loft conversion

Hip to gable loft conversion - £42,314

Granny annexe

Granny annexe - £87,314

Garden office

Garden office - £10,314

Convert a Garage

Convert a Garage - £16,314

Garage

Garage - £18,814

Build a flat roof extension

Build a flat roof extension - £22,314

Build a dormer loft conversion

Build a dormer loft conversion - £42,314

Concrete foundations

Concrete foundations - £6,564

Convert a bungalow loft

Convert a bungalow loft - £29,314

Convert a basement

Convert a basement - £41,028

More extensions & conversions cost guides...