From £18,060
Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...
From £17,732
If you are looking for a Ardeley extension builder and you need something replaced, fitted, or fixed, contact Space Above Limited today. We are com...
From £17,500
Member since July 2020
EB Construction & Building Ltd are here to help customers who need an Extension Builder in Ardeley. We offer a competitive rate to complete all you...
From £17,844
Trusted and professional extension builder in Ardeley. Experienced in all extension buildering work and keeping within budget and on quote. Peter's...
From £17,436
Plumbing, painting exterior, interior, extensions, plastering, skiming, carpeting, Flooring, you can ask us ..
From £17,708
Need an Extension Builder in Ardeley? Roni Lofts Conversions Ltd has been helping local clients (10 mile radius) with their extension buildering jo...
From £17,492
If you are looking for a Ardeley extension builder and you need something replaced, fitted, or fixed, contact GS Contractors (Loughton) Limited tod...
From £17,788
At crest construction we work extremely hard to ensure that our clients receive a quality of service that continues to build our reputation. Client...
From £17,820
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £16,820
Extremely reliable service . Flexibility, correct, listening customer. Wide experience.

Underpinning ranges from £16,820 (Onyx Iv based in N11) to £18,060 (Rafix Building based in EN4), 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 Ardeley by posting a job with HaMuch and we will send it to extension builders in Ardeley.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Stevenage | £44 | £282 |
| Underpin A Building near Hitchin | £43 | £283 |
| Underpin A Building near North Hertfordshire | £44 | £283 |
| Underpin A Building near East Hertfordshire | £44 | £289 |
| Underpin A Building near Letchworth | £44 | £283 |
| Underpin A Building near Welwyn Garden City | £42 | £268 |
| Underpin A Building near Hertford | £46 | £289 |
| Underpin A Building near Ware | £47 | £296 |
| Underpin A Building near Harpenden | £86 | £315 |
| Underpin A Building near Hatfield | £64 | £283 |
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 - £17,620

Two storey extension - £88,180

Build a timber frame extension - £26,120

Build a swimming pool - £81,120

Single storey extension - £57,400

Side return extension - £42,850

Install an RSJ - £2,320

Outbuilding - £10,120

Build a Mansard loft conversion - £52,120

Loft conversion - £34,875

Build a kitchen extension - £42,120

Hip to gable loft conversion - £42,120

Granny annexe - £87,120

Garden office - £10,120

Convert a Garage - £16,120

Garage - £18,620

Build a flat roof extension - £22,120

Build a dormer loft conversion - £42,120

Concrete foundations - £6,370

Convert a bungalow loft - £29,120

Convert a basement - £38,850