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N W Doyle & Son is a trusted extension builder serving customers in Downpatrick and the surrounding area. Contact us to today to get a competitive ...

Outbuilding costs in Downpatrick range from the cheapest of £9,512 (N W Doyle & Son based in BT24) to the dearest of £9,512 (N W Doyle & Son based in BT24), 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 Downpatrick by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Portaferry | £22 | £164 |
| Outbuilding near Ballynahinch | £19 | £189 |
| Outbuilding near Saintfield | £23 | £162 |
| Outbuilding near Comber | £22 | £160 |
| Outbuilding near Ballygowan | £24 | £183 |
| Outbuilding near Carryduff | £23 | £158 |
| Outbuilding near Hillsborough and Culcavy | £25 | £170 |
| Outbuilding near Lisburn | £24 | £164 |
| Outbuilding near Belfast | £23 | £161 |
| Outbuilding 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 - £17,012

Two storey extension - £87,268

Build a timber frame extension - £25,512

Build a swimming pool - £80,512

Single storey extension - £45,240

Side return extension - £36,010

Install an RSJ - £1,712

Outbuilding - £9,512

Build a Mansard loft conversion - £51,512

Loft conversion - £29,175

Build a kitchen extension - £41,512

Hip to gable loft conversion - £41,512

Granny annexe - £86,512

Garden office - £9,512

Convert a Garage - £15,512

Garage - £18,012

Build a flat roof extension - £21,512

Build a dormer loft conversion - £41,512

Concrete foundations - £5,762

Convert a bungalow loft - £28,512

Convert a basement - £32,010