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Need an Extension Builder in SA14? KD Construction has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...
NTW BUILDING is an established and experienced local extension builder in SA14. Please contact us for a free, no obligation quote and competitive r...
Andy Power
Worked in building all my working life.
Worked as a builder 30 plus year's.
Am a hands on builder. Have built hou...
From £25,744
L2 Construction Limited is an established and experienced local extension builder in SA14. Please contact us for a free, no obligation quote and co...
From £25,856
RTC BUILDERS is a trusted extension builder serving customers in SA14 and the surrounding area. Contact us to today to get a competitive quote for ...
From £25,848
Rowan Evans Building Contractors is an established extension buildering business in SA14. We come highly recommended and provide competitive quotes...
From £25,600
Experienced extension builder ready to quote for your work. HAYDN LEWIS BUILDING SVS LTD is the best extension builder in SA14. No obligation free ...
From £25,904
Relax... you have found a reliable extension builder in SA14. Asj Building Services is a friendly and reliable company based in SA14 who consider n...
From £25,672
Custom Build Construction are here to help customers who need an Extension Builder in SA14. We offer a competitive rate to complete all your extens...

A timber frame extension built in SA14 typically ranges from £25,560 (NTW BUILDING based in SA15) to £27,024 (KD Construction based in SA15), 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 SA14 by posting a job with HaMuch and we'll send it to extension builders in SA14.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Llanelli | £29 | £231 |
| Build A Timber Frame Extension near Gorseinon | £29 | £228 |
| Build A Timber Frame Extension near Swansea | £29 | £229 |
| Build A Timber Frame Extension near Carmarthen | £26 | £205 |
| Build A Timber Frame Extension near Carmarthenshire | £26 | £205 |
| Build A Timber Frame Extension near Neath | £30 | £225 |
| Build A Timber Frame Extension near Neath Port Talbot | £31 | £224 |
| Build A Timber Frame Extension near Port Talbot | £31 | £227 |
| Build A Timber Frame Extension near Maesteg | £38 | £283 |
| Build A Timber Frame Extension near Pyle | £34 | £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 - £17,421

Two storey extension - £87,881

Build a timber frame extension - £25,921

Build a swimming pool - £80,921

Single storey extension - £53,418

Side return extension - £40,610

Install an RSJ - £2,121

Outbuilding - £9,921

Build a Mansard loft conversion - £51,921

Loft conversion - £33,008

Build a kitchen extension - £41,921

Hip to gable loft conversion - £41,921

Granny annexe - £86,921

Garden office - £9,921

Convert a Garage - £15,921

Garage - £18,421

Build a flat roof extension - £21,921

Build a dormer loft conversion - £41,921

Concrete foundations - £6,171

Convert a bungalow loft - £28,921

Convert a basement - £36,610