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Mount Oriel Conversions & Extensions
Need to find an Extension Builder near you for all your extension buildering work?
Mount Oriel Conversions & Extensions provides a local, t...
"Underpin a building" - BT11, job posted 14/09/26
SM Plumbing & Heating
Relax... you have found a reliable extension builder in BT8. SM Plumbing & Heating is a friendly and reliable company based in BT8 who consider no ...
"Single storey extension" - BT11, job posted 13/09/26
"Build a dormer loft conversion" - BT11, job posted 02/09/26
£21/hr
£147/day
Glenn M Floyd Building & Joinery Contracts
Glenn M Floyd Building & Joinery Contracts is an established and experienced local extension builder in BT8. Please contact us for a free, no oblig...
"Single storey extension" - BT11, job posted 03/08/26
£21/hr
£147/day
Extended living by Gilbert-Ash
Trusted and professional extension builder in BT8. Experienced in all extension buildering work and keeping within budget and on quote. Extended li...
"Loft conversion" - BELFAST, job posted 28/06/26
Compare BT8 extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Carryduff | £23 | £158 |
| Extension Builders near Belfast | £23 | £161 |
| Extension Builders near Saintfield | £23 | £162 |
| Extension Builders near Lisburn | £24 | £164 |
| Extension Builders near Comber | £22 | £160 |
| Extension Builders near Ballygowan | £24 | £183 |
| Extension Builders near Holywood | £23 | £159 |
| Extension Builders near Ballynahinch | £19 | £189 |
| Extension Builders near Hillsborough and Culcavy | £25 | £170 |
| Extension Builders near Greenisland | £23 | £153 |
Job estimates from extension builders near you
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.
Build a timber frame extension - £25,272
Garden office - £9,272
Granny annexe - £86,272
Build a flat roof extension - £21,272
Convert a Garage - £15,272
Hip to gable loft conversion - £41,272
Convert a bungalow loft - £28,272
Build a dormer loft conversion - £41,272
Build a swimming pool - £80,272
Build a Mansard loft conversion - £51,272
Concrete foundations - £5,522
Underpin a building - £16,772
Two storey extension - £86,908
Convert a basement - £29,310
Side return extension - £33,310
Loft conversion - £26,925
Garage - £17,772
Single storey extension - £40,440
Outbuilding - £9,272
Install an RSJ - £1,472
Build a kitchen extension - £41,272
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