From £9,336
Trusted and professional extension builder in Andersonstown. Experienced in all extension buildering work and keeping within budget and on quote. B...
From £9,176
Trusted and professional extension builder in Andersonstown. Experienced in all extension buildering work and keeping within budget and on quote. E...
From £9,368
Relax... you have found a reliable extension builder in Andersonstown. SM Plumbing & Heating is a friendly and reliable company based in Andersonst...
From £9,384
Relax... you have found a reliable extension builder in Andersonstown. Finch Construction NI is a friendly and reliable company based in Andersonst...
From £9,400
T.I Building is a trusted extension builder serving customers in Andersonstown and the surrounding area. Contact us to today to get a competitive q...
From £9,384
Designco Ltd is an established extension buildering business in Andersonstown. We come highly recommended and provide competitive quotes for your w...
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 £9,376
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £9,296
Ballantine building solutions is an established extension buildering business in Andersonstown. We come highly recommended and provide competitive ...

Outbuilding costs in Andersonstown range from the cheapest of £9,136 (Mount Oriel Conversions & Extensions based in BT8) to the dearest of £9,488 (AK Building Services based in BT8), 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 Andersonstown by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Belfast | £23 | £161 |
| Outbuilding near Carryduff | £23 | £158 |
| Outbuilding near Lisburn | £24 | £164 |
| Outbuilding near Hillsborough and Culcavy | £25 | £170 |
| Outbuilding near Holywood | £23 | £159 |
| Outbuilding near Crumlin | £26 | £194 |
| Outbuilding near Maghaberry | £31 | £205 |
| Outbuilding near Greenisland | £23 | £153 |
| Outbuilding near Comber | £22 | £160 |
| Outbuilding near Saintfield | £23 | £162 |
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 - £16,834

Two storey extension - £87,002

Build a timber frame extension - £25,334

Build a swimming pool - £80,334

Single storey extension - £41,688

Side return extension - £34,012

Install an RSJ - £1,534

Outbuilding - £9,334

Build a Mansard loft conversion - £51,334

Loft conversion - £27,510

Build a kitchen extension - £41,334

Hip to gable loft conversion - £41,334

Granny annexe - £86,334

Garden office - £9,334

Convert a Garage - £15,334

Garage - £17,834

Build a flat roof extension - £21,334

Build a dormer loft conversion - £41,334

Concrete foundations - £5,584

Convert a bungalow loft - £28,334

Convert a basement - £30,012