From £25,824
Relax... you have found a reliable extension builder in DN12. Foundation Building Services is a friendly and reliable company based in DN12 who con...
From £26,008
We are a family run business with 20 years experience.
We take great care and attention to the work we carry out and pride ourselves on ...
From £25,968
Relax... you have found a reliable extension builder in DN12. CS Construction & Conversions is a friendly and reliable company based in DN12 who co...
From £25,936
Dore Decor are a family run business with over 30 years experience - we offer an extensive range of building services and are able to provide a ful...
From £26,112
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £26,344
Trusted and professional extension builder in DN12. Experienced in all extension buildering work and keeping within budget and on quote. AMB Joiner...
From £26,088
Hallamshire Paving is an established and experienced local extension builder in DN12. Please contact us for a free, no obligation quote and competi...
From £25,984
BP Builders are here to help customers who need an Extension Builder in DN12. We offer a competitive rate to complete all your extension buildering...
From £25,864
Trusted and professional extension builder in DN12. Experienced in all extension buildering work and keeping within budget and on quote. MGG CONSTR...

A timber frame extension built in DN12 typically ranges from £25,288 (JON WINDLE CONSTRUCTION based in S17) to £26,344 (AMB Joinery & Building Services based in S8), 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 DN12 by posting a job with HaMuch and we'll send it to extension builders in DN12.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Doncaster | £29 | £238 |
| Build A Timber Frame Extension near Wickersley | £33 | £257 |
| Build A Timber Frame Extension near Rotherham | £33 | £257 |
| Build A Timber Frame Extension near Barnsley | £31 | £242 |
| Build A Timber Frame Extension near Sheffield | £32 | £261 |
| Build A Timber Frame Extension near Worksop | £33 | £265 |
| Build A Timber Frame Extension near Pontefract | £30 | £228 |
| Build A Timber Frame Extension near Bassetlaw | £31 | £243 |
| Build A Timber Frame Extension near Retford | £31 | £243 |
| Build A Timber Frame Extension near Dronfield | £33 | £262 |
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 - £17,442

Two storey extension - £87,912

Build a timber frame extension - £25,942

Build a swimming pool - £80,942

Single storey extension - £53,832

Side return extension - £40,843

Install an RSJ - £2,142

Outbuilding - £9,942

Build a Mansard loft conversion - £51,942

Loft conversion - £33,203

Build a kitchen extension - £41,942

Hip to gable loft conversion - £41,942

Granny annexe - £86,942

Garden office - £9,942

Convert a Garage - £15,942

Garage - £18,442

Build a flat roof extension - £21,942

Build a dormer loft conversion - £41,942

Concrete foundations - £6,192

Convert a bungalow loft - £28,942

Convert a basement - £36,843