From £25,472
WEYMOUTH ROOFING CO. is an established and experienced local extension builder in Portland. Please contact us for a free, no obligation quote and c...
From £26,184
Experienced extension builder ready to quote for your work. WILD CONSTRUCTION LTD is the best extension builder in Portland. No obligation free quo...
From £26,192
Need to find an Extension Builder near you for all your extension buildering work?
J FLANN BUILDING & MAINTENANCE provides a local, trusted...
From £25,896
Steven Clark Building Services is an established and experienced local extension builder in Portland. Please contact us for a free, no obligation q...
From £26,032
Design Properties & Renovations is an established and experienced local extension builder in Portland. Please contact us for a free, no obligation ...
From £26,536
Our building services company Roofix and Build Ltd have twenty years experience of helping customers in Weymouth and the surrounding area by provid...
From £26,008
We are a small business priding oueselves on high quality works carried out with care and attention. We use a select few subcontractors to help com...
From £25,496
We are Dorset Build & Maintenance Company Ltd. We are a medium sized local building and maintenance contractor, and our work area is prima...
From £25,696
Trusted and professional extension builder in Portland. Experienced in all extension buildering work and keeping within budget and on quote. Stuart...
From £26,080
Portland, DT5
D WHYTON BUILDING SERVICES LTD is a trusted extension builder serving customers in Portland and the surrounding area. Contact us to today to get a ...

A timber frame extension built in Portland typically ranges from £25,472 (WEYMOUTH ROOFING CO. based in DT4) to £26,536 (Roofix and Build Ltd based in DT4), 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 Portland by posting a job with HaMuch and we'll send it to extension builders in Portland.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Weymouth | £33 | £260 |
| Build A Timber Frame Extension near Dorchester | £30 | £230 |
| Build A Timber Frame Extension near Poole | £38 | £250 |
| Build A Timber Frame Extension near Bournemouth | £38 | £257 |
| Build A Timber Frame Extension near Yeovil | £34 | £294 |
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 - £17,459

Two storey extension - £87,939

Build a timber frame extension - £25,959

Build a swimming pool - £80,959

Single storey extension - £54,184

Side return extension - £41,041

Install an RSJ - £2,159

Outbuilding - £9,959

Build a Mansard loft conversion - £51,959

Loft conversion - £33,368

Build a kitchen extension - £41,959

Hip to gable loft conversion - £41,959

Granny annexe - £86,959

Garden office - £9,959

Convert a Garage - £15,959

Garage - £18,459

Build a flat roof extension - £21,959

Build a dormer loft conversion - £41,959

Concrete foundations - £6,209

Convert a bungalow loft - £28,959

Convert a basement - £37,041