Range from the cheapest Side return extension £32,500 (Cubit Contracts based in B98) to the dearest Side return extension £41,500 (MYBUILD based in B93).
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 B94.

" Create a brick and tile day room off the kitchen and a utility room utilising half of the garage. The finished work in both quality of workmanship and material is to be as far as possible seamless and indistinguishable from the existing. The brickwork must be of a high standard and with good mortar..."
B91
"Side return extension"
SOLIHULL
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Side Return Extension near Knowle | £26 | £200 |
| Side Return Extension near Solihull | £24 | £193 |
| Side Return Extension near Redditch | £27 | £196 |
| Side Return Extension near Warwick | £24 | £188 |
| Side Return Extension near Birmingham | £25 | £197 |
| Side Return Extension near Kenilworth | £25 | £195 |
| Side Return Extension near Bromsgrove | £27 | £208 |
| Side Return Extension near Stratford-on-Avon | £24 | £190 |
| Side Return Extension near Stratford-upon-Avon | £24 | £190 |
| Side Return Extension near Coventry | £24 | £193 |