Mark Simms
33 years experience focussing on full home refurbishments, extensions, kitchens & bathrooms, rubber roofing, floor screed & loft conversion...
Need an Extension Builder in CV3? Mint Landscaping has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...
Need an Extension Builder in CV3? Barrys Home & Maintenance has been helping local clients (20 mile radius) with their extension buildering jobs fo...
COS CONSTRUCTION LTD is an established and experienced local extension builder in CV3. Please contact us for a free, no obligation quote and compet...
B T
BTDoor Repairs is an established extension buildering business in CV3. We come highly recommended and provide competitive quotes for your work.
...Sean McKervey
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £25,992
At SMM-PD we are not restrained by traditional thinking, we appreciate our clients needs and understand the importance of solving solutions and del...
From £25,608
Need an Extension Builder in CV3? GC BUILDING AND SERVICES LTD has been helping local clients (20 mile radius) with their extension buildering jobs...

A timber frame extension built in CV3 typically ranges from £25,472 (Simms Building Services Ltd based in CV2) to £25,992 (SMM PD based in CV1), 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 CV3 by posting a job with HaMuch and we'll send it to extension builders in CV3.
"Timber frame or sips panel extension to convert 80sqm bungalow to house." - CV23, job posted 10/06/25
"Timber frame extension to convert 80sqm bungalow to house" - CV23, job posted 10/06/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Coventry | £29 | £226 |
| Build A Timber Frame Extension near Kenilworth | £30 | £229 |
| Build A Timber Frame Extension near Bedworth | £28 | £219 |
| Build A Timber Frame Extension near Nuneaton & Bedworth | £28 | £218 |
| Build A Timber Frame Extension near Leamington Spa | £27 | £212 |
| Build A Timber Frame Extension near Warwick | £28 | £213 |
| Build A Timber Frame Extension near Rugby | £31 | £224 |
| Build A Timber Frame Extension near Nuneaton | £29 | £225 |
| Build A Timber Frame Extension near Knowle | £31 | £241 |
| Build A Timber Frame Extension near Hinckley | £29 | £224 |
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 - £17,256

Two storey extension - £87,634

Build a timber frame extension - £25,756

Build a swimming pool - £80,756

Single storey extension - £50,120

Side return extension - £38,755

Install an RSJ - £1,956

Outbuilding - £9,756

Build a Mansard loft conversion - £51,756

Loft conversion - £31,463

Build a kitchen extension - £41,756

Hip to gable loft conversion - £41,756

Granny annexe - £86,756

Garden office - £9,756

Convert a Garage - £15,756

Garage - £18,256

Build a flat roof extension - £21,756

Build a dormer loft conversion - £41,756

Concrete foundations - £6,006

Convert a bungalow loft - £28,756

Convert a basement - £34,755