Range from the cheapest single storey extension £51,160 (GP Property Services based in EN7) to the dearest single storey extension £71,000 (Flamstead Building Services Ltd based in EN8).
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 Waltham Cross by posting a job with HaMuch and we will send it to extension builders in Waltham Cross.

"Single storey extension"
EPPING FOREST
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Cheshunt | £41 | £244 |
| Single Storey Extension near Epping Forest | £38 | £237 |
| Single Storey Extension near Hoddesdon | £40 | £252 |
| Single Storey Extension near Loughton | £38 | £238 |
| Single Storey Extension near Potters Bar | £38 | £240 |
| Single Storey Extension near High Barnet | £37 | £236 |
| Single Storey Extension near Walthamstow | £39 | £238 |
| Single Storey Extension near Hertford | £39 | £247 |
| Single Storey Extension near Ware | £40 | £252 |
| Single Storey Extension near Muswell Hill | £38 | £236 |