Trusted and professional extension builder in BN45. Experienced in all extension buildering work and keeping within budget and on quote. Good Const...
CAMBRIDGE BUILDING SERVICES is a trusted extension builder serving customers in BN45 and the surrounding area. Contact us to today to get a competi...
Tony Paice
Master builder since 1960 new build and refurb all trades many photo albums to show
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
K. BRAND BUILDING LIMITED are here to help customers who need an Extension Builder in BN45. We offer a competitive rate to complete all your extens...
Proper Copper DesignWe are a design lead copper homeware company specializing in contemporary handles, taps, showers and accessories. Our products ...
Build Safe Ltd is an established and experienced local extension builder in BN45. Please contact us for a free, no obligation quote and competitive...
Ferguson Building Services Limited is an established and experienced local extension builder in BN45. Please contact us for a free, no obligation q...
From £26,096
Experienced extension builder ready to quote for your work. Miles Better Builds is the best extension builder in BN45. No obligation free quotes an...
From £26,168
Our building services company MCO Building Contractors Ltd has been providing customers throughout West Sussex with professional, trustworthy build...

A timber frame extension built in BN45 typically ranges from £24,016 (Ferguson Building Services Limited based in BN6) to £26,296 (Proper Copper Design based in BN3), but this will vary depending on the size of your extension, the design features you'd like and what your soil is like for the foundations.
Comparing extension builders estimates for building a timber frame extension gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build a timber frame extension in BN45 by posting a job with HaMuch and we'll send it to extension builders in BN45.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Brighton and Hove | £35 | £251 |
| Build A Timber Frame Extension near Brighton | £35 | £251 |
| Build A Timber Frame Extension near Shoreham-by-Sea | £36 | £250 |
| Build A Timber Frame Extension near Burgess Hill | £36 | £240 |
| Build A Timber Frame Extension near Lancing | £37 | £251 |
| Build A Timber Frame Extension near Haywards Heath | £35 | £256 |
| Build A Timber Frame Extension near Worthing | £35 | £251 |
| Build A Timber Frame Extension near Mid Sussex | £35 | £261 |
| Build A Timber Frame Extension near Horsham | £38 | £265 |
| Build A Timber Frame Extension near Rustington | £36 | £246 |
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 - £17,348

Two storey extension - £87,772

Build a timber frame extension - £25,848

Build a swimming pool - £80,848

Single storey extension - £51,960

Side return extension - £39,790

Install an RSJ - £2,048

Outbuilding - £9,848

Build a Mansard loft conversion - £51,848

Loft conversion - £32,325

Build a kitchen extension - £41,848

Hip to gable loft conversion - £41,848

Granny annexe - £86,848

Garden office - £9,848

Convert a Garage - £15,848

Garage - £18,348

Build a flat roof extension - £21,848

Build a dormer loft conversion - £41,848

Concrete foundations - £6,098

Convert a bungalow loft - £28,848

Convert a basement - £35,790