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Ferguson Building Services Limited
Ferguson Building Services Limited is an established and experienced local extension builder in Henfield. Please contact us for a free, no obligati...
FIRST FORMAT BUILDING
Need to find an Extension Builder near you for all your extension buildering work?
FIRST FORMAT BUILDING provides a local, trusted extensio...
East West Refurbishment Limited
Need an Extension Builder in Henfield? East West Refurbishment Limited has been helping local clients (20 mile radius) with their extension builder...
From £54,840
H P Building Services Sussex
Member since August 2026
H P Building Services Sussex is a one-stop solution for all your extension buildering needs. Establish over 10 years ago and covering 20 miles arou...
Proper Copper Design
Proper Copper DesignWe are a design lead copper homeware company specializing in contemporary handles, taps, showers and accessories. Our products ...
Good Construction (Sussex) Limited
Trusted and professional extension builder in Henfield. Experienced in all extension buildering work and keeping within budget and on quote. Good C...
ACF Carpentry Ltd
ACF Carpentry Ltd is an established and experienced local extension builder in Henfield. Please contact us for a free, no obligation quote and comp...
RJ's Carpentry Construction
Reuben Sargent
Rjscarpentryconstruction is a well established company with over 30 years of experience in the carpentry and construction industries
JBF Building & Roofing Maintenance Ltd
JBF Building & Roofing Maintenance Ltd is an established and experienced local extension builder in Henfield. Please contact us for a free, no obli...
Aurabuild
Relax... you have found a reliable extension builder in Henfield. Aurabuild is a friendly and reliable company based in Henfield who consider no jo...
Extension builder estimates (based on hourly rates) to build a single storey extension in Henfield
- How much does a single storey extension cost?
- Single storey extension cost calculator
- What size single storey extension can I build without planning permission?
- Do I need an architect for an extension?
- How deep do foundations need to be for a single storey extension?
- Is it cheaper to have an extension or a conservatory?
Get extension builder rates instantly
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Burgess Hill | £36 | £256 |
| Single Storey Extension near Shoreham-by-Sea | £36 | £250 |
| Single Storey Extension near Lancing | £36 | £249 |
| Single Storey Extension near Brighton and Hove | £35 | £252 |
| Single Storey Extension near Haywards Heath | £35 | £256 |
| Single Storey Extension near Worthing | £35 | £249 |
| Single Storey Extension near Brighton | £35 | £253 |
| Single Storey Extension near Horsham | £38 | £265 |
| Single Storey Extension near Mid Sussex | £35 | £261 |
| Single Storey Extension near Rustington | £35 | £242 |
Estimates for common extension builder jobs in Henfield;
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 - £17,650
Two storey extension - £88,226
Build a timber frame extension - £26,150
Build a swimming pool - £81,150
Single storey extension - £58,008
Side return extension - £43,192
Install an RSJ - £2,350
Outbuilding - £10,150
Build a Mansard loft conversion - £52,150
Loft conversion - £35,160
Build a kitchen extension - £42,150
Hip to gable loft conversion - £42,150
Granny annexe - £87,150
Garden office - £10,150
Convert a Garage - £16,150
Garage - £18,650
Build a flat roof extension - £22,150
Build a dormer loft conversion - £42,150
Concrete foundations - £6,400
Convert a bungalow loft - £29,150
Convert a basement - £39,192