Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.69 (8 reviews)

Find affordable Long Ditton extension builders now

Extension builders rates in Long Ditton range from £38/hour £237/day (Professional Roofing & Guttering Services) to £50/hour £313/day (V&Co.). To see prices and availability now for your job click green button.

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"Granny annexe" - KINGSTON UPON THAMES, job posted 21/10/26

"Extension single room" - KT9, job posted 26/07/26

"Build a brick outbuilding, 24ft by 14ft including folding doors. Usage is for gym and office." - KT5, job posted 01/05/26

"Back extension" - KT9, job posted 07/03/26

"Infill extension and movement of toilet" - KT7, job posted 21/05/25

"Loft conversion" - SURBITON, job posted 11/04/25

"Two storey extension" - KT2, job posted 16/02/25

"Loft conversion" - KINGSTON UPON THAMES, job posted 18/11/24

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Local Extension Builders in London Boroughs

Local Extension Builders in London Boroughs
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Extension Builders in Long Ditton
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Job estimates from extension builders near you

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.

Build a timber frame extension - £26,192

Garden office - £10,192

Granny annexe - £87,192

Build a flat roof extension - £22,192

Convert a Garage - £16,192

Hip to gable loft conversion - £42,192

Convert a bungalow loft - £29,192

Build a dormer loft conversion - £42,192

Build a swimming pool - £81,192

Build a Mansard loft conversion - £52,192

Concrete foundations - £6,442

Underpin a building - £17,692

Two storey extension - £88,288

Convert a basement - £39,660

Side return extension - £43,660

Loft conversion - £35,550

Garage - £18,692

Single storey extension - £58,840

Outbuilding - £10,192

Install an RSJ - £2,392

Build a kitchen extension - £42,192

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