Range from the cheapest single storey extension £47,000 (KUDOS BUILDING LTD based in BN17) to the dearest single storey extension £58,200 (Main Construction based in BN12).
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 RH20 by posting a job with HaMuch and we will send it to extension builders in RH20.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Rustington | £32 | £220 |
| Single Storey Extension near Littlehampton | £32 | £219 |
| Single Storey Extension near Arun | £31 | £216 |
| Single Storey Extension near Worthing | £32 | £223 |
| Single Storey Extension near Lancing | £32 | £220 |
| Single Storey Extension near Horsham | £32 | £226 |
| Single Storey Extension near Shoreham-by-Sea | £31 | £217 |
| Single Storey Extension near Bognor Regis | £31 | £213 |
| Single Storey Extension near Burgess Hill | £31 | £208 |
| Single Storey Extension near Chichester | £31 | £216 |