Cheapest builders to build a side return extension in EC4Y
Range from the cheapest Side return extension £35790 (SDL PKB based in Ec4a) to the dearest Side return extension £36870 (Elite Building based in WC2A).
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 EC4Y.
Estimates for common extension builder jobs in EC4Y;
| Job | Estimate |
| Underpinning a house | £17390 |
| Build a two storey extension | £87835 |
| Build a timber frame extension | £25890 |
| Install a swimming pool | £80890 |
| Cost to build a single storey extension | £47798 |
| Cost to build a side return extension | £36262 |
| Install an RSJ | £2090 |
| Build an outbuilding | £9890 |
| Build a mansard loft conversion | £51890 |
| Cost of a loft conversion | £32718 |
| Build a kitchen extension | £41890 |
| Build a hip to gable loft conversion | £41890 |
| Build a granny annexe | £86890 |
| Build a garden office | £9890 |
| Convert a garage | £15890 |
| Build a new garage | £18390 |
| Build a flat roof extension | £21890 |
| Build a dormer loft conversion | £41890 |
| Lay a concrete foundation | £6140 |
| Convert a bungalow loft | £28890 |
| Basement conversion cost | £36262 |