From £17,548
Trusted and professional extension builder in Tintagel. Experienced in all extension buildering work and keeping within budget and on quote. Bushen...
From £17,484
We are a construction company that have been providing professional high quality work for 25 years.
We work mainly with listed and period...
From £16,852
Eastman Landscapes is a trusted extension builder serving customers in Tintagel and the surrounding area. Contact us to today to get a competitive ...
From £17,148
RJ WEVILL BUILDER are here to help customers who need an Extension Builder in Tintagel. We offer a competitive rate to complete all your extension ...
From £17,564
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,492
Future Build Supplies Ltd are here to help customers who need an Extension Builder in Tintagel. We offer a competitive rate to complete all your ex...
From £17,588
Need an Extension Builder in Tintagel? DAVEY CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £17,652
F & B BUILDERS is an established extension buildering business in Tintagel. We come highly recommended and provide competitive quotes for your work...
From £17,468
Established by Shawn Mcilroy in 1987. As main contractors we have a history of working on stunning residential restorations and bespoke new build ...
From £17,684
Relax... you have found a reliable extension builder in Tintagel. mav building services is a friendly and reliable company based in Tintagel who co...

Underpinning ranges from £16,852 (Eastman Landscapes based in PL15) to £17,684 (Mav building services based in pl27), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in Tintagel by posting a job with HaMuch and we will send it to extension builders in Tintagel.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near St Austell | £38 | £245 |
| Underpin A Building near Newquay | £32 | £230 |
| Underpin A Building near Truro | £31 | £206 |
| Underpin A Building near Plymouth | £30 | £230 |
| Underpin A Building near Bideford | £22 | £174 |
| Underpin A Building near Barnstaple | £25 | £196 |
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 - £17,448

Two storey extension - £87,922

Build a timber frame extension - £25,948

Build a swimming pool - £80,948

Single storey extension - £53,960

Side return extension - £40,915

Install an RSJ - £2,148

Outbuilding - £9,948

Build a Mansard loft conversion - £51,948

Loft conversion - £33,263

Build a kitchen extension - £41,948

Hip to gable loft conversion - £41,948

Granny annexe - £86,948

Garden office - £9,948

Convert a Garage - £15,948

Garage - £18,448

Build a flat roof extension - £21,948

Build a dormer loft conversion - £41,948

Concrete foundations - £6,198

Convert a bungalow loft - £28,948

Convert a basement - £36,915