From £16,948
Trusted and professional extension builder in Waringstown. Experienced in all extension buildering work and keeping within budget and on quote. The...
From £16,860
Power Construction is an established and experienced local extension builder in Waringstown. Please contact us for a free, no obligation quote and ...
From £17,036
Experienced extension builder ready to quote for your work. Terry Design is the best extension builder in Waringstown. No obligation free quotes an...
From £17,140
With extensive extension buildering experience, we provide reliable, high-quality workmanship at competitive prices. G K Contracts Building & Joine...
From £16,900
T.I Building is a trusted extension builder serving customers in Waringstown and the surrounding area. Contact us to today to get a competitive quo...
From £16,884
Relax... you have found a reliable extension builder in Waringstown. Finch Construction NI is a friendly and reliable company based in Waringstown ...
From £16,836
Trusted and professional extension builder in Waringstown. Experienced in all extension buildering work and keeping within budget and on quote. Bel...
From £16,636
Need to find an Extension Builder near you for all your extension buildering work?
Mount Oriel Conversions & Extensions provides a local, t...
From £16,676
Trusted and professional extension builder in Waringstown. Experienced in all extension buildering work and keeping within budget and on quote. Ext...

Underpinning ranges from £16,636 (Mount Oriel Conversions & Extensions based in BT8) to £18,060 (Build a Boiler based in BT67), 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 Waringstown by posting a job with HaMuch and we will send it to extension builders in Waringstown.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Waringstown | £23 | £167 |
| Underpin A Building near Maghaberry | £31 | £205 |
| Underpin A Building near Craigavon | £23 | £181 |
| Underpin A Building near Banbridge | £29 | £205 |
| Underpin A Building near Hillsborough and Culcavy | £25 | £170 |
| Underpin A Building near Lisburn | £24 | £164 |
| Underpin A Building near Crumlin | £26 | £194 |
| Underpin A Building near Ballynahinch | £19 | £189 |
| Underpin A Building near Carryduff | £23 | £158 |
| Underpin A Building near Coalisland | £27 | £223 |
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 - £16,998

Two storey extension - £87,246

Build a timber frame extension - £25,498

Build a swimming pool - £80,498

Single storey extension - £44,952

Side return extension - £35,848

Install an RSJ - £1,698

Outbuilding - £9,498

Build a Mansard loft conversion - £51,498

Loft conversion - £29,040

Build a kitchen extension - £41,498

Hip to gable loft conversion - £41,498

Granny annexe - £86,498

Garden office - £9,498

Convert a Garage - £15,498

Garage - £17,998

Build a flat roof extension - £21,498

Build a dormer loft conversion - £41,498

Concrete foundations - £5,748

Convert a bungalow loft - £28,498

Convert a basement - £31,848