Build a mansard loft conversion in Welwyn Garden City from £51,200

HaMuch is Excellent
Trustpilot

Mansard loft conversion cost in Welwyn Garden City

Mansard loft conversions are ideal if you want to maximise the space in your home. Extending your roof out into a flat roof with an almost vertical wall, they almost always require planning permission but can add significant value to your home.

Mansard loft conversions range from the cheapest installation of £51,200 (Complex Construction based in AL7) to the dearest of around £51,976 (Laurdan Building LTD based in AL6).

While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.

Get quotes to install a mansard loft conversion in Welwyn Garden City by posting a job with HaMuch and we'll send it to extension builders in Welwyn Garden City. 

Estimates for mansard loft 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
2. Enter postcode to get estimate
plus materials

to see who is available and get more information


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
Mansard loft conversion cost in Welwyn Garden City
Estimate Mansard loft conversion cost in Welwyn Garden City based on hourly/daily rate (excluding VAT or callout charges)
Business name Mansard loft conversion cost
STYLE BUILDING SERVICES LTD, Welwyn Garden City, AL7 £51,888
Buildstar, Welwyn garden city, AL7 £51,600
PRIMEEXPERT, Hertfordshire, AL7 £51,968
LBH Building & Property Services, Welwyn Garden City, Hertfordshire, AL7 £51,840
Herts Premier Builders, Hertfordshire, AL7 £51,968
J&R Property, Hertfordshire, AL7 £51,968
Complex Construction, Welwyn Garden City, AL7 £51,200
NJG BUILDING SOLUTIONS LTD, Hertfordshire, AL7 £51,968
Lemsford Building, Herefordshire, AL8 £51,968
J J Roofing & Gutter Repairs, Hatfield, AL9 £51,864
Hertfordshire Design, Hertfordshire, AL10 £51,952
A S G Developments - Herts LTD , Hatfield, AL10 £51,600
Laurdan Building LTD, Welwyn, AL6 £51,976
J B R Contracts, 38 Norwood Close, Hertford, Hertfordshir, SG14 £51,816
Interior Installations, Welwyn, AL6 £51,888
VALLEYCREST CONSTRUCTION LTD, Hatfield, AL10 £51,880
MA Gower, Welwyn, AL6 £51,600
Buildline, Hatfield, AL10 £51,872
A1 Home Care Building Maintenance, Hatfield, AL10 £51,880
Ross Taylor Homes, Unit 18 Mardleybury Farm, Mardleybury Road, Datchworth, Hertfordshire, SG3 £51,832
Mick O Farrell Builders, Hatfield, AL10 £51,832
Oakridge Construction Limited, Hertford, SG14 £51,872
Buyerz Trading, Hertfordshire, AL10 £51,960
Grain Property, Hertfordshire, AL4 £51,960
G FORCE BUILDERS, Brookmans Park, AL9 £51,872

Get extension builder rates instantly

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