Range from the cheapest single storey extension £39,640 (IAN PEARSON JOINER & BUILDER based in CA6) to the dearest single storey extension £43,800 (Toni build ltd based in RM10).
Comparing extension builders estimates for fitting a downstairs toilet 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 to build a single storey extension in Lockerbie by posting a job with HaMuch and we will send it to extension builders in Lockerbie.

| Business name | Single storey extension cost |
|---|---|
| LAKELAND CONSTRUCTION SER LTD, Lockerbie, DG11 | £39,960 |
| L I P CONSTRUCTION LTD, Lockerbie, DG11 | £40,600 |
| TOMS JOINERY, Dumfries , DG2 | £40,600 |
| IAN PEARSON JOINER & BUILDER, Longtown, CA6 | £39,640 |
| Toni build ltd, Dagenham , RM10 | £43,800 |
| LLED CONSTRUCTION LTD, Longtown, CA6 | £39,640 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Dumfries | £18 | £140 |
| Single Storey Extension near Dumfries & Galloway | £18 | £140 |
| Single Storey Extension near Carlisle | £21 | £175 |