From £41,336
Trusted and professional extension builder in Crumlin. Experienced in all extension buildering work and keeping within budget and on quote. Belfast...
From £41,384
Relax... you have found a reliable extension builder in Crumlin. Finch Construction NI is a friendly and reliable company based in Crumlin who cons...
From £41,336
Need an Extension Builder in Crumlin? H.M.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...
From £41,376
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £41,176
Trusted and professional extension builder in Crumlin. Experienced in all extension buildering work and keeping within budget and on quote. Extende...
From £41,400
T.I Building is a trusted extension builder serving customers in Crumlin and the surrounding area. Contact us to today to get a competitive quote f...
From £41,384
Designco Ltd is an established extension buildering business in Crumlin. We come highly recommended and provide competitive quotes for your work.
From £41,368
Relax... you have found a reliable extension builder in Crumlin. SM Plumbing & Heating is a friendly and reliable company based in Crumlin who cons...
From £41,208
Need an Extension Builder in Crumlin? MIRKOW has been helping local clients (20 mile radius) with their extension buildering jobs for many years. G...

In Crumlin, prices for dormer loft conversions range from £41,176 (Extended living by Gilbert-Ash based in BT12) to £42,560 (Build a Boiler based in BT67), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in Crumlin. Post your job on HaMuch now and we'll put you in touch with available extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Crumlin | £26 | £194 |
| Build A Dormer Loft Conversion near Maghaberry | £31 | £205 |
| Build A Dormer Loft Conversion near Lisburn | £24 | £164 |
| Build A Dormer Loft Conversion near Hillsborough and Culcavy | £25 | £170 |
| Build A Dormer Loft Conversion near Belfast | £23 | £161 |
| Build A Dormer Loft Conversion near Ballyclare | £20 | £124 |
| Build A Dormer Loft Conversion near Carryduff | £23 | £158 |
| Build A Dormer Loft Conversion near Waringstown | £23 | £167 |
| Build A Dormer Loft Conversion near Greenisland | £23 | £153 |
| Build A Dormer Loft Conversion near Holywood | £23 | £159 |
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 - £16,953

Two storey extension - £87,179

Build a timber frame extension - £25,453

Build a swimming pool - £80,453

Single storey extension - £44,056

Side return extension - £35,344

Install an RSJ - £1,653

Outbuilding - £9,453

Build a Mansard loft conversion - £51,453

Loft conversion - £28,620

Build a kitchen extension - £41,453

Hip to gable loft conversion - £41,453

Granny annexe - £86,453

Garden office - £9,453

Convert a Garage - £15,453

Garage - £17,953

Build a flat roof extension - £21,453

Build a dormer loft conversion - £41,453

Concrete foundations - £5,703

Convert a bungalow loft - £28,453

Convert a basement - £31,344