From £17,532
Need an Extension Builder in Tn21 0q? I R C BUILDING SERVICES has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £17,628
Relax... you have found a reliable extension builder in Tn21 0q. CUSTOM BUILD (SUSSEX) LIMITED is a friendly and reliable company based in Tn21 0q ...
From £17,732
We are industry specialists in delivering wonderful spaces, meeting expectations with luxury, comfort, quality, opulence, and aspiration.Luxuria In...
From £17,340
Experienced extension builder ready to quote for your work. Uckfield Building Services is the best extension builder in Tn21 0q. No obligation free...
From £17,748
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,476
LEWIS BUILDING SERVICES is an established and experienced local extension builder in Tn21 0q. Please contact us for a free, no obligation quote and...
From £17,660
Trusted and professional extension builder in Tn21 0q. Experienced in all extension buildering work and keeping within budget and on quote. Acer Bu...
From £17,556
Need an Extension Builder in Tn21 0q? J H BUILDERS has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...
From £17,572
Yeoman Building Contractors are here to help customers who need an Extension Builder in Tn21 0q. We offer a competitive rate to complete all your e...
From £17,324
Trusted and professional extension builder in Tn21 0q. Experienced in all extension buildering work and keeping within budget and on quote. CDMS Su...

Underpinning ranges from £17,324 (CDMS Sussex LTD based in Bn27) to £17,748 (Henners Property Ltd based in TN22), 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 Tn21 0q by posting a job with HaMuch and we will send it to extension builders in Tn21 0q.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Wealden | £35 | £256 |
| Underpin A Building near Crowborough | £36 | £258 |
| Underpin A Building near Hailsham | £31 | £243 |
| Underpin A Building near Tunbridge Wells | £37 | £258 |
| Underpin A Building near Eastbourne | £32 | £245 |
| Underpin A Building near Haywards Heath | £35 | £256 |
| Underpin A Building near Bexhill-on-Sea | £31 | £243 |
| Underpin A Building near Seaford | £34 | £243 |
| Underpin A Building near East Grinstead | £37 | £259 |
| Underpin A Building near Tonbridge | £38 | £254 |
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 - £17,557

Two storey extension - £88,085

Build a timber frame extension - £26,057

Build a swimming pool - £81,057

Single storey extension - £56,136

Side return extension - £42,139

Install an RSJ - £2,257

Outbuilding - £10,057

Build a Mansard loft conversion - £52,057

Loft conversion - £34,283

Build a kitchen extension - £42,057

Hip to gable loft conversion - £42,057

Granny annexe - £87,057

Garden office - £10,057

Convert a Garage - £16,057

Garage - £18,557

Build a flat roof extension - £22,057

Build a dormer loft conversion - £42,057

Concrete foundations - £6,307

Convert a bungalow loft - £29,057

Convert a basement - £38,139