From £25,960
Trusted and professional extension builder in BN43. Experienced in all extension buildering work and keeping within budget and on quote. BRICKTEC B...
From £26,160
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £26,192
Woodmans Construction are here to help customers who need an Extension Builder in BN43. We offer a competitive rate to complete all your extension ...
From £26,104
Need an Extension Builder in BN43? Warrior Brickwork has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
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 £26,152
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £25,984
Need to find an Extension Builder near you for all your extension buildering work?
FIRST FORMAT BUILDING provides a local, trusted extensio...
From £25,832
G C Builders is an established and experienced local extension builder in BN43. Please contact us for a free, no obligation quote and competitive r...
From £25,760
Woodhart Group is an established extension buildering business in BN43. We come highly recommended and provide competitive quotes for your work.
From £25,816
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 £25,760 (Woodhart Group based in BN41) to £26,192 (Woodmans Construction based in BN43), 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 | £37 | £251 |
| Build A Timber Frame Extension near Worthing | £35 | £251 |
| 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 | £36 | £246 |
| Build A Timber Frame Extension near Burgess Hill | £36 | £240 |
| Build A Timber Frame Extension near Littlehampton | £35 | £244 |
| 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 - £17,490

Two storey extension - £87,984

Build a timber frame extension - £25,990

Build a swimming pool - £80,990

Single storey extension - £54,792

Side return extension - £41,383

Install an RSJ - £2,190

Outbuilding - £9,990

Build a Mansard loft conversion - £51,990

Loft conversion - £33,653

Build a kitchen extension - £41,990

Hip to gable loft conversion - £41,990

Granny annexe - £86,990

Garden office - £9,990

Convert a Garage - £15,990

Garage - £18,490

Build a flat roof extension - £21,990

Build a dormer loft conversion - £41,990

Concrete foundations - £6,240

Convert a bungalow loft - £28,990

Convert a basement - £37,383