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Trowel On is an established extension buildering business in SO40. We come highly recommended and provide competitive quotes for your work.
From £25,928
GDS Building & Maintenance Ltd is an established and experienced local extension builder in SO40. Please contact us for a free, no obligation quote...
From £25,928
Relax... you have found a reliable extension builder in SO40. 1st Oak Building Preservation & Maintenance is a friendly and reliable company based ...
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 £25,904
Our building services company KT Carpentry & Building Services has been helping customers in Southampton, Winchester, Brockenhurst and Portsmouth b...

A timber frame extension built in SO40 typically ranges from £25,856 (Trowel On based in SO40) to £26,112 (Safespec Building Services Limited based in SO40), 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 SO40 by posting a job with HaMuch and we'll send it to extension builders in SO40.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Totton | £34 | £243 |
| Build A Timber Frame Extension near Southampton | £34 | £243 |
| Build A Timber Frame Extension near Romsey | £32 | £230 |
| Build A Timber Frame Extension near New Forest | £32 | £245 |
| Build A Timber Frame Extension near Eastleigh | £34 | £244 |
| Build A Timber Frame Extension near Chandler's Ford | £34 | £245 |
| Build A Timber Frame Extension near Hedge End | £34 | £244 |
| Build A Timber Frame Extension near Locks Heath | £33 | £240 |
| Build A Timber Frame Extension near Winchester | £39 | £283 |
| Build A Timber Frame Extension near Fareham | £35 | £250 |
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 - £17,446

Two storey extension - £87,918

Build a timber frame extension - £25,946

Build a swimming pool - £80,946

Single storey extension - £53,912

Side return extension - £40,888

Install an RSJ - £2,146

Outbuilding - £9,946

Build a Mansard loft conversion - £51,946

Loft conversion - £33,240

Build a kitchen extension - £41,946

Hip to gable loft conversion - £41,946

Granny annexe - £86,946

Garden office - £9,946

Convert a Garage - £15,946

Garage - £18,446

Build a flat roof extension - £21,946

Build a dormer loft conversion - £41,946

Concrete foundations - £6,196

Convert a bungalow loft - £28,946

Convert a basement - £36,888