From £17,404
Vaughan Design and Development is an established extension buildering business in East Hampshire. We come highly recommended and provide competitiv...
From £17,412
Experienced extension builder ready to quote for your work. Hurstmore Services Ltd is the best extension builder in East Hampshire. No obligation f...
From £17,412
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,820
Make your home the place where you really feel great. Where there’s room for family, for friends, for work, for play. Our design and construction...
From £17,388
Trusted and professional extension builder in East Hampshire. Experienced in all extension buildering work and keeping within budget and on quote. ...
From £17,212
Southdowns Builders Ltd is an established and experienced local extension builder in East Hampshire. Please contact us for a free, no obligation qu...
From £17,748
REPAIR CRAFT CONSTRUCTION is a trusted extension builder serving customers in East Hampshire and the surrounding area. Contact us to today to get a...
From £17,476
Relax... you have found a reliable extension builder in East Hampshire. Design & Construction Support Ltd is a friendly and reliable company based ...
From £17,764
Experienced extension builder ready to quote for your work. Trad Roofing is the best extension builder in East Hampshire. No obligation free quotes...
From £17,580
Need an Extension Builder in East Hampshire? A & J Roofing (Haslemere) Ltd has been helping local clients (20 mile radius) with their extension bui...

Underpinning ranges from £17,212 (Southdowns Builders Ltd based in GU31) to £17,820 (Petersfield Builders based in GU33), 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 East Hampshire by posting a job with HaMuch and we will send it to extension builders in East Hampshire.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near East Hampshire | £38 | £258 |
| Underpin A Building near Horndean | £35 | £253 |
| Underpin A Building near Waterlooville | £36 | £250 |
| Underpin A Building near Havant | £35 | £249 |
| Underpin A Building near Havant & Waterloo | £35 | £248 |
| Underpin A Building near Farnham | £41 | £276 |
| Underpin A Building near Winchester | £37 | £266 |
| Underpin A Building near Waverley | £68 | £313 |
| Underpin A Building near Basingstoke | £39 | £274 |
| Underpin A Building near Fareham | £35 | £250 |
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 - £17,522

Two storey extension - £88,032

Build a timber frame extension - £26,022

Build a swimming pool - £81,022

Single storey extension - £55,432

Side return extension - £41,743

Install an RSJ - £2,222

Outbuilding - £10,022

Build a Mansard loft conversion - £52,022

Loft conversion - £33,953

Build a kitchen extension - £42,022

Hip to gable loft conversion - £42,022

Granny annexe - £87,022

Garden office - £10,022

Convert a Garage - £16,022

Garage - £18,522

Build a flat roof extension - £22,022

Build a dormer loft conversion - £42,022

Concrete foundations - £6,272

Convert a bungalow loft - £29,022

Convert a basement - £37,743