Cheapest builders to build a side return extension in Cornwall
Range from the cheapest Side return extension £27600 (Eastman Landscapes based in PL15) to the dearest Side return extension £34800 (A J HEARD BUILDERS LTD based in EX20).
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 Cornwall.
Estimates for common extension builder jobs in Cornwall;
| Job | Estimate |
| Underpinning a house | £17020 |
| Build a two storey extension | £87280 |
| Build a timber frame extension | £25520 |
| Install a swimming pool | £80520 |
| Cost to build a single storey extension | £40400 |
| Cost to build a side return extension | £32100 |
| Install an RSJ | £1720 |
| Build an outbuilding | £9520 |
| Build a mansard loft conversion | £51520 |
| Cost of a loft conversion | £29250 |
| Build a kitchen extension | £41520 |
| Build a hip to gable loft conversion | £41520 |
| Build a granny annexe | £86520 |
| Build a garden office | £9520 |
| Convert a garage | £15520 |
| Build a new garage | £18020 |
| Build a flat roof extension | £21520 |
| Build a dormer loft conversion | £41520 |
| Lay a concrete foundation | £5770 |
| Convert a bungalow loft | £28520 |
| Basement conversion cost | £32100 |
Rates for other Cornwall trades
Side return extension cost in Cornwall
| Business name | Side return extension cost |
|---|---|
| M & J Building Contractors, , EX23 | £31830 |
| Bude Construction Ltd, Bude, EX23 | £32460 |
| M and R, Cornwall, EX22 | £32640 |
| Eastman Landscapes, Launceston, PL15 | £27600 |
| GKA DEVELOPMENTS LTD, Bideford, EX39 | £33000 |
| SCP CONSTRUCTION, , PL15 | £33180 |
| BURGESS CONSTRUCTION, , PL15 | £33180 |
| C Squire Building Contractors, Camelford, PL32 | £33000 |
| Garage Door Repairman, , EX38 | £31380 |
| RJ WEVILL BUILDER, , PL16 | £33180 |
| TOMS CONSTRUCTION, , PL32 | £34710 |
| A J HEARD BUILDERS LTD, , EX20 | £34800 |
| McIlroy Builders, Cornwall, PL30 | £34620 |
| Copps Property Maintenance, , EX38 | £31020 |
| Steve And Ray Patt Builders & Decorators, Bideford, EX39 | £29400 |
| G White & Son, Bideford, EX39 | £27600 |