Need to find an Extension Builder near you for all your extension buildering work?
Mount Oriel Conversions & Extensions provides a local, t...
Relax... you have found a reliable extension builder in Dundonald. SM Plumbing & Heating is a friendly and reliable company based in Dundonald who ...
From £27,150
Ballantine building solutions is an established extension buildering business in Dundonald. We come highly recommended and provide competitive quot...
From £27,975
Designco Ltd is an established extension buildering business in Dundonald. We come highly recommended and provide competitive quotes for your work....
From £26,025
Trusted and professional extension builder in Dundonald. Experienced in all extension buildering work and keeping within budget and on quote. Exten...
From £26,850
Trusted and professional extension builder in Dundonald. Experienced in all extension buildering work and keeping within budget and on quote. DGA h...

Comparing extension builders estimates for Loft conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost of a loft conversion in Dundonald by posting your job to extension builders in Dundonald.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Comber | £22 | £160 |
| Loft Conversion near Holywood | £23 | £159 |
| Loft Conversion near Ballygowan | £24 | £183 |
| Loft Conversion near Belfast | £23 | £161 |
| Loft Conversion near Carryduff | £23 | £158 |
| Loft Conversion near Bangor | £24 | £183 |
| Loft Conversion near Bangor | £24 | £183 |
| Loft Conversion near Greenisland | £23 | £153 |
| Loft Conversion near Saintfield | £23 | £162 |
| Loft Conversion near Carrickfergus | £23 | £158 |
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 - £16,802

Two storey extension - £86,953

Build a timber frame extension - £25,302

Build a swimming pool - £80,302

Single storey extension - £41,034

Side return extension - £33,644

Install an RSJ - £1,502

Outbuilding - £9,302

Build a Mansard loft conversion - £51,302

Loft conversion - £27,204

Build a kitchen extension - £41,302

Hip to gable loft conversion - £41,302

Granny annexe - £86,302

Garden office - £9,302

Convert a Garage - £15,302

Garage - £17,802

Build a flat roof extension - £21,302

Build a dormer loft conversion - £41,302

Concrete foundations - £5,552

Convert a bungalow loft - £28,302

Convert a basement - £29,644