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Ferguson Building Services Limited
Ferguson Building Services Limited is an established and experienced local extension builder in RH15. Please contact us for a free, no obligation q...
"RSJ installation" - HAYWARDS HEATH, job posted 25/06/26
RJ's Carpentry Construction
Reuben Sargent
Rjscarpentryconstruction is a well established company with over 30 years of experience in the carpentry and construction industries
"Hip to gable loft conversion with dormer" - RH16, job posted 01/07/25
£31/hr
£223/day
Ben Butler Brickwork Ltd
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
"Loft conversion with bathroom en-suite and dressing room Side Extension, Kitchen, Utility Room and WC downstairs and Shower Decorating throughout including wall paper stripping plastering painting" - BURGESS HILL, job posted 05/09/24
£32/hr
£258/day
JG Brickwork Services Limited
JG Brickwork Services Limited is an established extension buildering business in RH15. We come highly recommended and provide competitive quotes fo...
"New Kitchen extension & Side Extension with Utility Room from October 2024 - March 2025" - BURGESS HILL, job posted 23/06/24
£32/hr
£226/day
Associated Construction
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£37/hr
£264/day
MRA CONSTRUCTION
Experienced extension builder ready to quote for your work. MRA CONSTRUCTION is the best extension builder in RH15. No obligation free quotes and m...
£30/hr
£217/day
Atlas Installations
Relax... you have found a reliable extension builder in RH15. Atlas Installations is a friendly and reliable company based in RH15 who consider no ...
£32/hr
£231/day
D GARVEY T/A D L C BUILDING
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£37/hr
£264/day
CLS Carpentry and Building
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£37/hr
£270/day
W&S BUILDING CONTRACTORS
Trusted and professional extension builder in RH15. Experienced in all extension buildering work and keeping within budget and on quote. W&S BUILDI...
£47/hr
£295/day
TOLLEY CARPENTRY
TOLLEY CARPENTRY is an established extension buildering business in RH15. We come highly recommended and provide competitive quotes for your work.<...
£35/hr
£242/day
Noir studio
Extensions, Refurbishments & Loft ConversionsAt Keystone our mission is to help our clients imagine, design & build environments that enhance their...
Compare RH15 extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Burgess Hill | £36 | £256 |
| Extension Builders near Haywards Heath | £35 | £256 |
| Extension Builders near Mid Sussex | £35 | £261 |
| Extension Builders near Brighton and Hove | £35 | £252 |
| Extension Builders near Brighton | £35 | £253 |
| Extension Builders near Shoreham-by-Sea | £36 | £250 |
| Extension Builders near Horsham | £38 | £265 |
| Extension Builders near Crawley | £38 | £255 |
| Extension Builders near Lancing | £36 | £249 |
| Extension Builders near East Grinstead | £37 | £259 |
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 - £26,048

Garden office - £10,048

Granny annexe - £87,048

Build a flat roof extension - £22,048

Convert a Garage - £16,048

Hip to gable loft conversion - £42,048

Convert a bungalow loft - £29,048

Build a dormer loft conversion - £42,048

Build a swimming pool - £81,048

Build a Mansard loft conversion - £52,048

Concrete foundations - £6,298

Underpin a building - £17,548

Two storey extension - £88,072

Convert a basement - £38,040

Side return extension - £42,040

Loft conversion - £34,200

Garage - £18,548

Single storey extension - £55,960

Outbuilding - £10,048

Install an RSJ - £2,248

Build a kitchen extension - £42,048
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