Range from the cheapest single storey extension £39,000 (R MILLS ROOFING based in EH41) to the dearest single storey extension £51,160 (BAIN BUILDING COMPANY based in EH41).
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 Duns by posting a job with HaMuch and we will send it to extension builders in Duns.

| Business name | Single storey extension cost |
|---|---|
| Spear Renovations, East Lothian, TD13 | £48,920 |
| R MILLS ROOFING, Haddington, EH41 | £39,000 |
| BAIN BUILDING COMPANY, Haddington and Gifford, EH41 | £51,160 |
| M G JOINERY, Lauder , TD2 | £49,560 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Haddington | £32 | £233 |
| Single Storey Extension near Scottish Borders | £29 | £235 |
| Single Storey Extension near Dalkeith | £31 | £225 |
| Single Storey Extension near Musselburgh | £32 | £230 |