From £28,336
Trusted and professional extension builder in BT17. Experienced in all extension buildering work and keeping within budget and on quote. Belfast Lo...
From £28,336
Need an Extension Builder in BT17? H.M.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
From £28,384
Relax... you have found a reliable extension builder in BT17. Finch Construction NI is a friendly and reliable company based in BT17 who consider n...
From £28,176
Trusted and professional extension builder in BT17. Experienced in all extension buildering work and keeping within budget and on quote. Extended l...
From £28,400
T.I Building is a trusted extension builder serving customers in BT17 and the surrounding area. Contact us to today to get a competitive quote for ...
From £28,280
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £28,368
Relax... you have found a reliable extension builder in BT17. SM Plumbing & Heating is a friendly and reliable company based in BT17 who consider n...
From £28,208
Need an Extension Builder in BT17? MIRKOW has been helping local clients (20 mile radius) with their extension buildering jobs for many years. Get ...
From £28,352
Need to find an Extension Builder near you for all your extension buildering work?
Firenstack Solutions provides a local, trusted extension...

In BT17, bungalow loft conversions range from the cheapest of £28,176 (Extended living by Gilbert-Ash based in BT12) to the dearest of £28,488 (AK Building Services based in BT8), but the best way to get accurate prices is to get quotes.
Post your job on HaMuch now to get extension builders quotes to convert your bungalow's loft in BT17.
"Bungalow loft conversion, the loft has been converted I would like to change the velux windows and make the conversion a dormer conversion running the length of the back of the bungalow" - BELFAST, job posted 05/04/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Bungalow Loft near Lisburn | £24 | £164 |
| Convert A Bungalow Loft near Belfast | £23 | £161 |
| Convert A Bungalow Loft near Carryduff | £23 | £158 |
| Convert A Bungalow Loft near Hillsborough and Culcavy | £25 | £170 |
| Convert A Bungalow Loft near Maghaberry | £31 | £205 |
| Convert A Bungalow Loft near Crumlin | £26 | £194 |
| Convert A Bungalow Loft near Saintfield | £23 | £162 |
| Convert A Bungalow Loft near Holywood | £23 | £159 |
| Convert A Bungalow Loft near Comber | £22 | £160 |
| Convert A Bungalow Loft near Ballynahinch | £19 | £189 |
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 - £16,833

Two storey extension - £86,999

Build a timber frame extension - £25,333

Build a swimming pool - £80,333

Single storey extension - £41,656

Side return extension - £33,994

Install an RSJ - £1,533

Outbuilding - £9,333

Build a Mansard loft conversion - £51,333

Loft conversion - £27,495

Build a kitchen extension - £41,333

Hip to gable loft conversion - £41,333

Granny annexe - £86,333

Garden office - £9,333

Convert a Garage - £15,333

Garage - £17,833

Build a flat roof extension - £21,333

Build a dormer loft conversion - £41,333

Concrete foundations - £5,583

Convert a bungalow loft - £28,333

Convert a basement - £29,994