Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.75 (8 reviews)

Find affordable Horley extension builders now

Extension builders rates in Horley range from £21/hour £161/day (JUST ONE BUILDING SERVICES) to £52/hour £292/day (All-in-one group services ltd). To see prices and availability now for your job click green button.

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"Initially back garden extension beyond 3 meters single story. I know prior approval and other steps involved. We are looking for cheapest options. Other projects down the line include Kitchen and front extension plus roof tiling etc." - RH11, job posted 31/05/26

"Two storey extension" - RH1, job posted 31/01/26

"Loft conversion" - RH10, job posted 27/12/25

"Please can I get a quote? I would like a garage conversion done according to planning regulations within the rules so I don't require planning permission. I don't want any extensions of the building Simply require the current garage to be converted to a self contained studio with a small toilet..." - RH10, job posted 09/10/24

"Garage conversion" - CRAWLEY, job posted 09/10/24

"Side return extension" - CRAWLEY, job posted 09/08/24

"Side return extension" - CRAWLEY, job posted 22/03/24

"Looking for a builder - who should provide an one stop solution to complete the below job: 1) Convert the Conservatory in to a living space 2) Store room to Study / Work space 3) Side to Rear extension: to have a studio type arrangement (Bed room, shower cubicle, small cloak room). 4) And..." - RH11, job posted 22/12/23

"DO NOT USE. R cant calculate and has told me to order more than i should have several times. Also cannot lay floors. Did awful job of mine. Wish i had not renewed it and not paid before checked the job. Email me for photos. Only good thing is he turned up when said he would although took months to..." - CRAWLEY,reviewed 01/05/18, FRAN

Compare Horley extension builders rates

Compare Horley extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Horley	£38	£258
Extension Builders near Crawley	£38	£255
Extension Builders near Redhill	£41	£269
Extension Builders near Reigate	£40	£270
Extension Builders near East Grinstead	£37	£259
Extension Builders near Reigate & Banstead	£41	£271
Extension Builders near Caterham	£43	£271
Extension Builders near Tadworth	£41	£271
Extension Builders near Mid Sussex	£35	£261
Extension Builders near Horsham	£38	£265

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 - £26,056

Garden office - £10,056

Granny annexe - £87,056

Build a flat roof extension - £22,056

Convert a Garage - £16,056

Hip to gable loft conversion - £42,056

Convert a bungalow loft - £29,056

Build a dormer loft conversion - £42,056

Build a swimming pool - £81,056

Build a Mansard loft conversion - £52,056

Concrete foundations - £6,306

Underpin a building - £17,556

Two storey extension - £88,084

Convert a basement - £38,130

Side return extension - £42,130

Loft conversion - £34,275

Garage - £18,556

Single storey extension - £56,120

Outbuilding - £10,056

Install an RSJ - £2,256

Build a kitchen extension - £42,056

More extensions & conversions cost guides...

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