Range from the cheapest single storey extension £39,000 (SJBuild Ltd based in CH63) to the dearest single storey extension £55,000 (Brickwall Construction Ltd based in CH42).
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 CH46 by posting a job with HaMuch and we will send it to extension builders in CH46.

" Hi, I am looking to put a 3m wide, 2m deep single story rear extension onto a house I'm purchasing. I would like a 2.7m bifold door and a sky light placed into it as well. Externally I would like it rendered and internally finished to plaster. I would like tiles on the roof. Internally two ceiling..."
CH46
"Demolish Victorian outrigger kitchen 4.5m x 3m replace with flat roof and gallery - 5m x 5m infill on semi detached plans drawn by architect planning underway"
WIRRAL
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Wirral | £27 | £188 |
| Single Storey Extension near Wallasey | £29 | £203 |
| Single Storey Extension near Birkenhead | £28 | £200 |
| Single Storey Extension near Liverpool | £28 | £200 |
| Single Storey Extension near Heswall | £27 | £187 |
| Single Storey Extension near Bebington | £27 | £190 |
| Single Storey Extension near Bootle | £29 | £202 |
| Single Storey Extension near Crosby | £29 | £190 |
| Single Storey Extension near Sefton | £29 | £187 |
| Single Storey Extension near Maghull | £28 | £189 |