From £9,400
T.I Building is a trusted extension builder serving customers in Hillsborough And Culcavy and the surrounding area. Contact us to today to get a co...
From £9,384
Relax... you have found a reliable extension builder in Hillsborough And Culcavy. Finch Construction NI is a friendly and reliable company based in...
From £9,336
Trusted and professional extension builder in Hillsborough And Culcavy. Experienced in all extension buildering work and keeping within budget and ...
From £9,136
Need to find an Extension Builder near you for all your extension buildering work?
Mount Oriel Conversions & Extensions provides a local, t...
From £9,176
Trusted and professional extension builder in Hillsborough And Culcavy. Experienced in all extension buildering work and keeping within budget and ...
From £9,448
Trusted and professional extension builder in Hillsborough And Culcavy. Experienced in all extension buildering work and keeping within budget and ...
From £9,368
Relax... you have found a reliable extension builder in Hillsborough And Culcavy. SM Plumbing & Heating is a friendly and reliable company based in...
From £9,360
Power Construction is an established and experienced local extension builder in Hillsborough And Culcavy. Please contact us for a free, no obligati...

Outbuilding costs in Hillsborough And Culcavy range from the cheapest of £9,136 (Mount Oriel Conversions & Extensions based in BT8) to the dearest of £10,560 (Build a Boiler based in BT67), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in Hillsborough And Culcavy by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Hillsborough and Culcavy | £25 | £170 |
| Outbuilding near Lisburn | £24 | £164 |
| Outbuilding near Maghaberry | £31 | £205 |
| Outbuilding near Carryduff | £23 | £158 |
| Outbuilding near Waringstown | £23 | £167 |
| Outbuilding near Ballynahinch | £19 | £189 |
| Outbuilding near Saintfield | £23 | £162 |
| Outbuilding near Belfast | £23 | £161 |
| Outbuilding near Crumlin | £26 | £194 |
| Outbuilding near Banbridge | £29 | £205 |
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 - £16,966

Two storey extension - £87,198

Build a timber frame extension - £25,466

Build a swimming pool - £80,466

Single storey extension - £44,312

Side return extension - £35,488

Install an RSJ - £1,666

Outbuilding - £9,466

Build a Mansard loft conversion - £51,466

Loft conversion - £28,740

Build a kitchen extension - £41,466

Hip to gable loft conversion - £41,466

Granny annexe - £86,466

Garden office - £9,466

Convert a Garage - £15,466

Garage - £17,966

Build a flat roof extension - £21,466

Build a dormer loft conversion - £41,466

Concrete foundations - £5,716

Convert a bungalow loft - £28,466

Convert a basement - £31,488