Range from the cheapest single storey extension £39,640 (IAN PEARSON JOINER & BUILDER based in CA6) to the dearest single storey extension £47,000 (RICHARD LYNN LTD based in TD9).
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 Langholm by posting a job with HaMuch and we will send it to extension builders in Langholm.

| Business name | Single storey extension cost |
|---|---|
| L I P CONSTRUCTION LTD, Lockerbie, DG11 | £40,600 |
| IAN PEARSON JOINER & BUILDER, Longtown, CA6 | £39,640 |
| LAKELAND CONSTRUCTION SER LTD, Lockerbie, DG11 | £39,960 |
| HEDLEYS ROOFING T/A, Longtown, CA6 | £40,120 |
| LLED CONSTRUCTION LTD, Longtown, CA6 | £39,640 |
| RICHARD LYNN LTD, Hawick, TD9 | £47,000 |
| Handyman Decks Building, Londonderry, CA2 | £41,240 |
| maizxdesign, Cumbria, CA1 | £41,240 |
| BUILDING TEC LIMITED , Carlisle South West, CA2 | £39,640 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Carlisle | £21 | £175 |
| Single Storey Extension near Dumfries | £18 | £140 |
| Single Storey Extension near Dumfries & Galloway | £18 | £140 |
| Single Storey Extension near Scottish Borders | £29 | £235 |