Range from the cheapest single storey extension £50,040 (D Mason Developments Ltd based in CO9) to the dearest single storey extension £79,000 (ALLIED BUILDING ASSOCIATES LTD based in CB22).
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 CB10 by posting a job with HaMuch and we will send it to extension builders in CB10.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Haverhill | £32 | £221 |
| Single Storey Extension near Bishop's Stortford | £36 | £229 |
| Single Storey Extension near South Cambridgeshire | £37 | £258 |
| Single Storey Extension near Cambridge | £33 | £234 |
| Single Storey Extension near Braintree | £32 | £218 |
| Single Storey Extension near East Hertfordshire | £37 | £242 |
| Single Storey Extension near Harlow | £37 | £247 |
| Single Storey Extension near Ware | £40 | £252 |
| Single Storey Extension near Sudbury | £30 | £208 |
| Single Storey Extension near Letchworth | £37 | £239 |