Range from the cheapest Side return extension £32,500 (L.M Landscapes & Driveways based in Tw15) to the dearest Side return extension £41,140 (GDC Design & Build based in TW19).
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 Egham.

"Side return extension5.9M BY 3 M single floor extention, slant roof, two sky light windows, bi folding doors. knocking down supporting external wall that also joins dining/kitchen to open the whole space up"
WINDSOR & MAIDENHEAD
"Side return extension"
WINDSOR
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Side Return Extension near Egham | £36 | £227 |
| Side Return Extension near Staines-upon-Thames | £36 | £231 |
| Side Return Extension near Windsor | £36 | £238 |
| Side Return Extension near Windsor & Maidenhead | £36 | £238 |
| Side Return Extension near Ascot | £35 | £237 |
| Side Return Extension near New Haw | £37 | £236 |
| Side Return Extension near Sunbury-on-Thames | £37 | £242 |
| Side Return Extension near Slough | £36 | £238 |
| Side Return Extension near Walton-on-Thames | £37 | £238 |
| Side Return Extension near Elmbridge | £37 | £240 |