Convert your basement in Welwyn Garden City from £28,500

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Cheapest builders to convert your basement in Welwyn Garden City

Range from the cheapest Basement conversion £28,500 (Complex Construction based in AL7) to the dearest Basement conversion £37,230 (Laurdan Building LTD based in AL6).

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

Estimates for basement conversion near Welwyn Garden City

Estimates for common extension builder jobs in Welwyn Garden City;

JobEstimate
Underpinning a house£17,341
Build a two storey extension£87,761
Build a timber frame extension£25,841
Install a swimming pool£80,841
Cost to build a single storey extension£51,819
Cost to build a side return extension£39,711
Install an RSJ£2,041
Build an outbuilding£9,841
Build a mansard loft conversion£51,841
Cost of a loft conversion£32,259
Build a kitchen extension£41,841
Build a hip to gable loft conversion£41,841
Build a granny annexe£86,841
Build a garden office£9,841
Convert a garage£15,841
Build a new garage£18,341
Build a flat roof extension£21,841
Build a dormer loft conversion£41,841
Lay a concrete foundation£6,091
Convert a bungalow loft£28,841
Basement conversion cost£35,711
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Rates for other Welwyn Garden City 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 Welwyn Garden City
Estimate Basement conversion cost in Welwyn Garden City based on hourly/daily rate (excluding VAT or callout charges)
Business name Basement conversion cost
STYLE BUILDING SERVICES LTD, Welwyn Garden City, AL7 £36,240
Buildstar, Welwyn garden city, AL7 £33,000
PRIMEEXPERT, Hertfordshire, AL7 £37,140
LBH Building & Property Services, Welwyn Garden City, Hertfordshire, AL7 £35,700
Herts Premier Builders, Hertfordshire, AL7 £37,140
J&R Property, Hertfordshire, AL7 £37,140
Complex Construction, Welwyn Garden City, AL7 £28,500
NJG BUILDING SOLUTIONS LTD, Hertfordshire, AL7 £37,140
Lemsford Building, Herefordshire, AL8 £37,140
J J Roofing & Gutter Repairs, Hatfield, AL9 £35,970
Hertfordshire Design, Hertfordshire, AL10 £36,960
A S G Developments - Herts LTD , Hatfield, AL10 £33,000
Laurdan Building LTD, Welwyn, AL6 £37,230
J B R Contracts, 38 Norwood Close, Hertford, Hertfordshir, SG14 £35,430
Interior Installations, Welwyn, AL6 £36,240
VALLEYCREST CONSTRUCTION LTD, Hatfield, AL10 £36,150
MA Gower, Welwyn, AL6 £33,000
Buildline, Hatfield, AL10 £36,060
A1 Home Care Building Maintenance, Hatfield, AL10 £36,150
Ross Taylor Homes, Unit 18 Mardleybury Farm, Mardleybury Road, Datchworth, Hertfordshire, SG3 £35,610
Mick O Farrell Builders, Hatfield, AL10 £35,610
Oakridge Construction Limited, Hertford, SG14 £36,060
Buyerz Trading, Hertfordshire, AL10 £37,050
Grain Property, Hertfordshire, AL4 £37,050
G FORCE BUILDERS, Brookmans Park, AL9 £36,060

Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Basement Conversion near Welwyn Garden City£36£229
Basement Conversion near Hatfield£53£244
Basement Conversion near Hertford£39£247
Basement Conversion near Potters Bar£38£240
Basement Conversion near Harpenden£70£264
Basement Conversion near St Albans£52£246
Basement Conversion near Ware£40£252
Basement Conversion near Cheshunt£41£245
Basement Conversion near Stevenage£37£239
Basement Conversion near Hoddesdon£40£252