Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.83 (12 reviews)

Find affordable High Wycombe extension builders now

Extension builders rates in High Wycombe range from £27/hour £254/day (Loudwater Building Services) to £46/hour £431/day (E E Construction). To see prices and availability now for your job click green button.

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"Single storey extension" - HP11, job posted 25/09/26

"Single storey extension side extention with bathroom and two velux windows 5mx3.2m single story rear extention for dinner 2.6m x 3.5 m" - HP11, job posted 18/07/26

"Building cluster body cluster board cluster board and +3" - SL7, job posted 16/05/26

"Hip to gable Dormer loft conversion" - HIGH WYCOMBE, job posted 05/10/25

"Single storey extension" - MARLOW, job posted 14/08/25

"Rear and side extension to 1960s detached house" - HP14, job posted 23/07/25

"Single storey extension" - HIGH WYCOMBE, job posted 06/10/24

"Hi I was hoping to get a quote for the renovation of an entire house. It’s about 60 years old. I would need: 1. potential plastering of walls, r 2. removal of an existing kitchen & fitting of new 3. Removal of 1 bathroom & fitting of 2 4. garage conversion 5. flooring & carpet, ..." - HP10, job posted 05/09/24

"Single storey extension" - HIGH WYCOMBE, job posted 20/08/24

"Side return extension" - WYCOMBE, job posted 10/04/24

"Hi , I am looking for quote for rear extension of 76.5 sq meters? Thanks, Deven" - HP12, job posted 18/12/23

"7 by 6 rear extension plus loft conversion" - HIGH WYCOMBE, job posted 16/12/23

Compare High Wycombe extension builders rates

Compare High Wycombe extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near High Wycombe	£39	£272
Extension Builders near Wycombe	£40	£271
Extension Builders near Hazlemere	£40	£272
Extension Builders near Maidenhead	£41	£273
Extension Builders near Chesham	£42	£277
Extension Builders near Gerrards Cross	£43	£283
Extension Builders near Slough	£42	£272
Extension Builders near Windsor & Maidenhead	£42	£272
Extension Builders near Windsor	£41	£271
Extension Builders near Rickmansworth	£43	£282

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

More extensions & conversions cost guides...

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