From £47,800
With extensive extension buildering experience, we provide reliable, high-quality workmanship at competitive prices. G K Contracts Building & Joine...
From £43,160
Trusted and professional extension builder in BT35. Experienced in all extension buildering work and keeping within budget and on quote. JDL Contra...
From £45,720
Experienced extension builder ready to quote for your work. Terry Design is the best extension builder in BT35. No obligation free quotes and many ...
From £42,200
Power Construction is an established and experienced local extension builder in BT35. Please contact us for a free, no obligation quote and competi...
From £43,960
Trusted and professional extension builder in BT35. Experienced in all extension buildering work and keeping within budget and on quote. The Method...

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Banbridge | £29 | £205 |
| Single Storey Extension near Craigavon | £23 | £181 |
| Single Storey Extension near Kilkeel | £28 | £182 |
| Single Storey Extension near Waringstown | £23 | £167 |
| Single Storey Extension near Maghaberry | £31 | £205 |
| Single Storey Extension near Hillsborough and Culcavy | £25 | £170 |
| Single Storey Extension near Coalisland | £27 | £223 |
| Single Storey Extension near Lisburn | £24 | £164 |
| Single Storey Extension near Ballynahinch | £19 | £189 |
| Single Storey Extension near Dungannon | £30 | £238 |
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 - £16,978

Two storey extension - £87,218

Build a timber frame extension - £25,478

Build a swimming pool - £80,478

Single storey extension - £44,568

Side return extension - £35,632

Install an RSJ - £1,678

Outbuilding - £9,478

Build a Mansard loft conversion - £51,478

Loft conversion - £28,860

Build a kitchen extension - £41,478

Hip to gable loft conversion - £41,478

Granny annexe - £86,478

Garden office - £9,478

Convert a Garage - £15,478

Garage - £17,978

Build a flat roof extension - £21,478

Build a dormer loft conversion - £41,478

Concrete foundations - £5,728

Convert a bungalow loft - £28,478

Convert a basement - £31,632