Range from the cheapest Side return extension £31,060 (Extended living by Gilbert-Ash based in BT12) to the dearest Side return extension £37,000 (FJS CONTRACTS LTD based in BT45).
Comparing extension builders estimates for Side return extension gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for a side return extention by posting your job to extension builders in Randalstown.

| Business name | Side return extension cost |
|---|---|
| Oakmore Contracts, Magherafelt, BT45 | £32,500 |
| C McGurk Building Contractor, Belfast , BT44 | £33,400 |
| LM Design & Build, Antrim, BT36 | £32,140 |
| M & M Construction, Mossley, BT36 | £31,150 |
| Belfast Loft Company, Belfast, BT17 | £31,420 |
| Designco Ltd, Antrim, BT36 | £31,960 |
| FJS CONTRACTS LTD, Magherfelt , BT45 | £37,000 |
| DGA, Antrim, BT37 | £32,050 |
| Ballantine building solutions, Antrim, Bt37 | £31,870 |
| H.M.Builders, Andersonstown, BT11 | £31,330 |
| Extended living by Gilbert-Ash, 47 Boucher Road, Belfast, BT12 | £31,060 |
| Seamus Mcmullan building and joinery, Draperstown , BT45 | £37,000 |
| Finch Construction NI, Antrim, BT28 | £32,320 |
| C.H Property Services, Falls Road, BT12 | £31,240 |
| R.J Builders, Aghagallon, BT67 | £31,870 |
| SM Plumbing & Heating, Ormeau, BT7 | £31,240 |
| T.I Building, Ballinderry, BT28 | £31,420 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Side Return Extension near Crumlin | £22 | £168 |
| Side Return Extension near Ballyclare | £17 | £110 |
| Side Return Extension near Magherafelt | £25 | £200 |
| Side Return Extension near Maghaberry | £27 | £175 |
| Side Return Extension near Greenisland | £20 | £134 |
| Side Return Extension near Belfast | £19 | £132 |
| Side Return Extension near Lisburn | £20 | £139 |
| Side Return Extension near Carrickfergus | £21 | £145 |
| Side Return Extension near Hillsborough and Culcavy | £21 | £141 |
| Side Return Extension near Larne | £15 | £120 |