From £16,796
For all your needs. If you need to underpin a building contact us today to get a no obligation free quote.
From £16,884
For all your needs. If you need to underpin a building contact us today to get a no obligation free quote.
From £16,852
A service with a difference. Priced competitively to underpin a building and more.
From £16,708
A friendly extension builder in Crawfordsburn. Happy to provide references and a free quote to underpin a building.
From £16,868
You want to underpin a building? No problem, an Extension Builder is a reliable extension builder with years of experience helping homeowners.
...From £16,820
If you need to underpin a building use an Extension Builder. Work is guarenteed and the cost won't hurt the pocket.
From £16,772
If you need to underpin a building use an Extension Builder. Work is guarenteed and the cost won't hurt the pocket.
From £16,636
A service with a difference. Priced competitively to underpin a building and more.
From £16,836
A friendly extension builder in Crawfordsburn. Happy to provide references and a free quote to underpin a building.
From £16,476
Have worked in building industry for over 30 years contracts from government to private sector.
From £16,812
For all your needs. If you need to underpin a building contact us today to get a no obligation free quote.
From £16,884
You want to underpin a building? No problem, an Extension Builder is a reliable extension builder with years of experience helping homeowners.
...From £16,900
If you need to underpin a building use an Extension Builder. Work is guarenteed and the cost won't hurt the pocket.

Underpinning ranges from £16,476 (Anak based in BT40) to £16,988 (AK Building Services based in BT8), 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 Crawfordsburn by posting a job with HaMuch and we will send it to extension builders in Crawfordsburn.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Bangor | £20 | £150 |
| Underpin A Building near Bangor | £20 | £150 |
| Underpin A Building near Holywood | £20 | £138 |
| Underpin A Building near Ballygowan | £20 | £150 |
| Underpin A Building near Carrickfergus | £21 | £145 |
| Underpin A Building near Comber | £20 | £142 |
| Underpin A Building near Greenisland | £20 | £134 |
| Underpin A Building near Belfast | £20 | £137 |
| Underpin A Building near Carryduff | £20 | £136 |
| Underpin A Building near Larne | £15 | £120 |
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 - £16,798

Two storey extension - £86,947

Build a timber frame extension - £25,298

Build a swimming pool - £80,298

Single storey extension - £40,962

Side return extension - £33,604

Install an RSJ - £1,498

Outbuilding - £9,298

Build a Mansard loft conversion - £51,298

Loft conversion - £27,170

Build a kitchen extension - £41,298

Hip to gable loft conversion - £41,298

Granny annexe - £86,298

Garden office - £9,298

Convert a Garage - £15,298

Garage - £17,798

Build a flat roof extension - £21,298

Build a dormer loft conversion - £41,298

Concrete foundations - £5,548

Convert a bungalow loft - £28,298

Convert a basement - £29,604