Range from the cheapest Basement conversion £27600 (Eastman Landscapes based in PL15) to the dearest Basement conversion £34800 (A J HEARD BUILDERS LTD based in EX20).
Comparing extension builders estimates for a Basement conversion 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 the cost to convert a basement in Cornwall by posting a job with HaMuch and we will send it to extension builders 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 |
Business name | Basement conversion 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 |