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...
ACF Carpentry Ltd is an established and experienced local extension builder in BN43. Please contact us for a free, no obligation quote and competit...
Need to find an Extension Builder near you for all your extension buildering work?
FIRST FORMAT BUILDING provides a local, trusted extensio...
KEN BUILDING is an established extension buildering business in BN43. We come highly recommended and provide competitive quotes for your work.
...K. BRAND BUILDING LIMITED are here to help customers who need an Extension Builder in BN43. 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 ...
Trusted and professional extension builder in BN43. Experienced in all extension buildering work and keeping within budget and on quote. BRICKTEC B...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £25,936
Adrian Harris Garden Design And Build are here to help customers who need an Extension Builder in BN43. We offer a competitive rate to complete all...
From £26,160
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

A timber frame extension built in BN43 typically ranges from £25,880 (KEN BUILDING based in BN3) 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 BN43 by posting a job with HaMuch and we'll send it to extension builders in BN43.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Shoreham-by-Sea | £36 | £250 |
| Build A Timber Frame Extension near Lancing | £36 | £249 |
| Build A Timber Frame Extension near Worthing | £35 | £249 |
| Build A Timber Frame Extension near Brighton | £35 | £251 |
| Build A Timber Frame Extension near Brighton and Hove | £35 | £251 |
| Build A Timber Frame Extension near Rustington | £35 | £242 |
| Build A Timber Frame Extension near Burgess Hill | £36 | £240 |
| Build A Timber Frame Extension near Littlehampton | £35 | £241 |
| Build A Timber Frame Extension near Arun | £35 | £241 |
| Build A Timber Frame Extension near Haywards Heath | £35 | £256 |
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 - £17,521

Two storey extension - £88,031

Build a timber frame extension - £26,021

Build a swimming pool - £81,021

Single storey extension - £55,416

Side return extension - £41,734

Install an RSJ - £2,221

Outbuilding - £10,021

Build a Mansard loft conversion - £52,021

Loft conversion - £33,945

Build a kitchen extension - £42,021

Hip to gable loft conversion - £42,021

Granny annexe - £87,021

Garden office - £10,021

Convert a Garage - £16,021

Garage - £18,521

Build a flat roof extension - £22,021

Build a dormer loft conversion - £42,021

Concrete foundations - £6,271

Convert a bungalow loft - £29,021

Convert a basement - £37,734