Range from the cheapest single storey extension £43,320 (PAUL JACKSON BUILDING CONTRS based in PE23) to the dearest single storey extension £55,000 (P MARSH BUILDING CONTRACTOR based in PE23).
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 LN12 by posting a job with HaMuch and we will send it to extension builders in LN12.

| Business name | Single storey extension cost |
|---|---|
| A J REESON BUILDER, Alford, LN13 | £43,800 |
| R L Hinman Builder, Louth, LN11 | £46,200 |
| JOHN WILKINSON BUILDER LTD, Louth, LN11 | £46,040 |
| 1st Call Plumbing & Drainage/Yarmouth Plum, Skegness , PE25 | £44,280 |
| PAUL JACKSON BUILDING CONTRS , Spilsby, PE23 | £43,320 |
| P MARSH BUILDING CONTRACTOR, Spilsby, PE23 | £55,000 |
| One Stop Building and Property Solutions Ltd, Bradley, DN37 | £53,400 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near East Lindsey | £26 | £188 |
| Single Storey Extension near Skegness | £25 | £183 |
| Single Storey Extension near Cleethorpes | £27 | £207 |
| Single Storey Extension near North East Lincolnshire | £27 | £207 |
| Single Storey Extension near Grimsby | £27 | £207 |
| Single Storey Extension near Boston | £24 | £220 |
| Single Storey Extension near Hull | £25 | £195 |
| Single Storey Extension near Willerby | £25 | £193 |