Range from the cheapest Side return extension £39,880 (Progressive Design London based in WD24) to the dearest Side return extension £64,000 (Design & Build Builders Ltd based in WD18).
Comparing extension builders estimates for Side return extension 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 for a side return extention by posting your job to extension builders in Watford.

"Side return extension"
WD17
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Side Return Extension near Watford | £37 | £239 |
| Side Return Extension near Bushey | £37 | £240 |
| Side Return Extension near Rickmansworth | £36 | £241 |
| Side Return Extension near Borehamwood | £37 | £238 |
| Side Return Extension near Harrow | £37 | £235 |
| Side Return Extension near Hillingdon | £56 | £240 |
| Side Return Extension near Gerrards Cross | £37 | £244 |
| Side Return Extension near St Albans | £52 | £242 |
| Side Return Extension near Dacorum | £36 | £231 |
| Side Return Extension near Hemel Hempstead | £36 | £231 |