Range from the cheapest single storey extension £37,400 (KIPS BUILDERS based in NG34) to the dearest single storey extension £55,000 (D H S Dima Home Improvement Services based in PE21).
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 Boston by posting a job with HaMuch and we will send it to extension builders in Boston.

| Business name | Single storey extension cost |
|---|---|
| D H S Dima Home Improvement Services, Boston, PE21 | £55,000 |
| Lincolnshire Building Services, Boston, PE20 | £45,400 |
| P MARSH BUILDING CONTRACTOR, Spilsby, PE23 | £55,000 |
| DH Home Improvements, Lincolnshire, NG34 | £50,200 |
| R JOSE (BUILDER), Pinchbeck, PE11 | £50,200 |
| JP Design & Develop Ltd, Lincolnshire, LN10 | £45,240 |
| MOOR FARM BUILDING CO LIMITED, Sleaford, NG34 | £44,280 |
| RANDALL BUILDERS LTD, Sleaford, NG34 | £44,280 |
| PAUL JACKSON BUILDING CONTRS , Spilsby, PE23 | £43,320 |
| NEWTEC CONSTRUCTION LTD, Sleaford, NG34 | £44,280 |
| KIPS BUILDERS, Sleaford, NG34 | £37,400 |
| Addison, Sleaford, NG34 | £47,000 |
| 1st Call Plumbing & Drainage/Yarmouth Plum, Skegness , PE25 | £44,280 |
| Nu-build Norfolk Ltd, Kings Lynn, PE34 | £53,400 |
| OLD COURT BUILDERS, Fleet, PE12 | £50,840 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Boston | £24 | £220 |
| Single Storey Extension near Spalding | £30 | £220 |
| Single Storey Extension near Skegness | £25 | £183 |
| Single Storey Extension near Wisbech | £30 | £225 |
| Single Storey Extension near East Lindsey | £26 | £188 |
| Single Storey Extension near King's Lynn | £28 | £214 |
| Single Storey Extension near Kings Lynn & West Norfolk | £27 | £208 |
| Single Storey Extension near Grantham | £33 | £197 |
| Single Storey Extension near Stamford | £29 | £206 |
| Single Storey Extension near Peterborough | £37 | £246 |