From £17,404
Clever Build & Design is an established business in Lyndhurst. We come highly recommended and provide competitive quotes for your work.
From £17,612
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in Lyndhur...
From £17,428
GDS Building & Maintenance Ltd is an established and experienced local extension builder in Lyndhurst. Please contact us for a free, no obligation ...
From £17,356
Trowel On is an established business in Lyndhurst. We come highly recommended and provide competitive quotes for your work.
From £16,788
All our work carries a life time guarantee , If we did it and you have a problem we want to know about it. Not the bloke in the pub or your next do...
From £17,564
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in Lyndhur...
From £17,428
Relax... you have found a reliable extension builder in Lyndhurst. 1st Oak Building Preservation & Maintenance is a friendly and reliable company b...
From £17,460
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in Lyndhur...
From £17,460
Experienced extension builder ready to quote for your work. LMR BUILDING SERVICES LIMITED is the best extension builder in Lyndhurst. No obligation...

Underpinning ranges from £16,788 (James Golby Construction based in SO51) to £17,612 (Safespec Building Services Limited based in SO40), 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 Lyndhurst by posting a job with HaMuch and we will send it to extension builders in Lyndhurst.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near New Forest | £28 | £211 |
| Underpin A Building near Totton | £30 | £216 |
| Underpin A Building near Southampton | £30 | £215 |
| Underpin A Building near Romsey | £28 | £203 |
| Underpin A Building near Eastleigh | £30 | £215 |
| Underpin A Building near Chandler's Ford | £30 | £216 |
| Underpin A Building near Christchurch | £32 | £222 |
| Underpin A Building near Hedge End | £30 | £215 |
| Underpin A Building near Locks Heath | £30 | £213 |
| Underpin A Building near Salisbury | £30 | £211 |
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 - £17,402

Two storey extension - £87,852

Build a timber frame extension - £25,902

Build a swimming pool - £80,902

Single storey extension - £53,032

Side return extension - £40,393

Install an RSJ - £2,102

Outbuilding - £9,902

Build a Mansard loft conversion - £51,902

Loft conversion - £32,828

Build a kitchen extension - £41,902

Hip to gable loft conversion - £41,902

Granny annexe - £86,902

Garden office - £9,902

Convert a Garage - £15,902

Garage - £18,402

Build a flat roof extension - £21,902

Build a dormer loft conversion - £41,902

Concrete foundations - £6,152

Convert a bungalow loft - £28,902

Convert a basement - £36,393