Convert your basement in SW12 from £35,700

HaMuch is Excellent
Trustpilot

Cheapest builders to convert your basement in SW12

Range from the cheapest Basement conversion £35,700 (Orchestrate based in SW11) to the dearest Basement conversion £37,500 (JT Allen based in SW17).

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 SW12 by posting a job with HaMuch and we will send it to  extension builders in SW12.

Estimates for basement conversion near SW12

Estimates for common extension builder jobs in SW12;

JobEstimate
Underpinning a house£17,389
Build a two storey extension£87,833
Build a timber frame extension£25,889
Install a swimming pool£80,889
Cost to build a single storey extension£52,773
Cost to build a side return extension£40,247
Install an RSJ£2,089
Build an outbuilding£9,889
Build a mansard loft conversion£51,889
Cost of a loft conversion£32,706
Build a kitchen extension£41,889
Build a hip to gable loft conversion£41,889
Build a granny annexe£86,889
Build a garden office£9,889
Convert a garage£15,889
Build a new garage£18,389
Build a flat roof extension£21,889
Build a dormer loft conversion£41,889
Lay a concrete foundation£6,139
Convert a bungalow loft£28,889
Basement conversion cost£36,247
2. Enter postcode to get estimate
plus materials

to see who is available and get more information


Rates for other SW12 trades

Appliance Repair Specialist
Bathroom Fitter
Builder
Carpenter and Joiner
Cleaner
Conservatory Specialist
Door Fitter
Drain Specialist
Driveway Specialist
Electrician
Extension Builder
Fencer
Fire and Security Specialist
Flooring Specialist
Gardener
Handyman
Heating Engineer
Kitchen Fitter
Landscaper
Painter and Decorator
Patio and Path Specialist
Plasterer
Plumber
Removals and Storage
Roofer
Tiler
Window Fitter
Basement conversion cost in SW12
Estimate Basement conversion cost in SW12 based on hourly/daily rate (excluding VAT or callout charges)
Business name Basement conversion cost
Barnard Interiors, London, Greater London, SW12 £36,870
IDL Contractors Ltd, London, Greater London, SW12 £35,790
M. Watkins and Sons Ltd, Greater London, SW12 £36,870
R C BUILDER, Balham, SW12 £35,970
Zenico, 53 Carminia Road, London, Greater London, SW17 £35,790
Interior Space Solutions Ltd, Surrey, SW12 £36,870
Basenet Ltd, London, SW4 £36,870
Hughes Developments, London, Greater London, SW17 £35,790
William Coles, London, Surrey, SW16 £35,790
RenoView Ltd, Greater London, SW16 £36,870
JT Allen, Rettendon, Chelmsford, SW17 £37,500
Apartment Renovation Limited, 197 Macmillan Way, London, Greater London, sw17 £35,790
Studio Such, Greater London, SW16 £36,870
Build and Convert Services, 10 Streatleigh Parade, Streatham High Road, London, Greater London, SW16 £35,790
Orchestrate, 53 Webb's Road, London, Greater London, SW11 £35,700
All Trades Builders, Brixton, SW2 £35,970
Grosvenor House Construction Ltd., 112A Clapham Park Road, London, London, Greater London, sw4 £35,790
Nova Renovation, Nova, London, SW16 £35,790
Damian Szlema Construction LTD, Leigham Avenue, Lond, SW16 £35,970
M PIETROW T/A M P BUILDERS, Brixton, SW2 £35,970
Paddy Brown, 67 Wingate Square, Clapham, London, Greater London, SW4 £35,790
South London Conversions Ltd, London, SW4 £36,240
Grandiem Vero, Greater London, SW4 £36,870
Hawksmoor Construction, Clapham Common, SW4 £36,870
PEAKE Projects London Ltd, London, Greater London, SW16 £35,790

Get extension builder rates instantly

Get extension builder rates instantly
Borough in London
Basement Conversion in Balham
Basement Conversion in Clapham
Basement Conversion in Tooting
Basement Conversion in Brixton
Basement Conversion in Battersea
Basement Conversion in Earlsfield
Basement Conversion in Streatham
Basement Conversion in Herne Hill
Basement Conversion in Nine Elms
Basement Conversion in Stockwell