A flat roof extension is a great way to add extra space to your home without splashing out on the costs of a pitched roof extension. Often exempt from planning permission rules, you can build a flat roof extension up to 3 metres in height as long as it's not visible from a road. But how much do they cost in Spilsby?
A flat roof extension ranges from the cheapest of £21,416 (PAUL JACKSON BUILDING CONTRS based in PE23) to the dearest of £22,000 (P MARSH BUILDING CONTRACTOR based in PE23), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Spilsby by posting a job with HaMuch. We'll send it to extension builders in Spilsby.

| Business name | Flat roof extension cost |
|---|---|
| P MARSH BUILDING CONTRACTOR, Spilsby, PE23 | £22,000 |
| PAUL JACKSON BUILDING CONTRS , Spilsby, PE23 | £21,416 |
| A J REESON BUILDER, Alford, LN13 | £21,440 |
| R L Hinman Builder, Louth, LN11 | £21,560 |
| 1st Call Plumbing & Drainage/Yarmouth Plum, Skegness , PE25 | £21,464 |
| JP Design & Develop Ltd, Lincolnshire, LN10 | £21,512 |
| D H S Dima Home Improvement Services, Boston, PE21 | £22,000 |
| Lincolnshire Building Services, Boston, PE20 | £21,520 |
| JOHN WILKINSON BUILDER LTD, Louth, LN11 | £21,552 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Flat Roof Extension near East Lindsey | £26 | £188 |
| Flat Roof Extension near Skegness | £25 | £183 |
| Flat Roof Extension near Boston | £24 | £220 |
| Flat Roof Extension near Cleethorpes | £27 | £207 |
| Flat Roof Extension near North East Lincolnshire | £27 | £207 |
| Flat Roof Extension near Grimsby | £27 | £207 |
| Flat Roof Extension near Spalding | £30 | £220 |
| Flat Roof Extension near Lincoln | £28 | £208 |
| Flat Roof Extension near Kings Lynn & West Norfolk | £27 | £208 |
| Flat Roof Extension near King's Lynn | £28 | £214 |