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A S G Developments - Herts LTD
Amarjeet Gill
Architecture and Construction all in one place.
FREE DRAWINGS for all projects we build.
"Single storey extension" - WELWYN, job posted 31/08/25
Buyerz Trading
Buyerz Trading is an established and experienced local extension builder in AL7. Please contact us for a free, no obligation quote and competitive ...
"We are small builders looking quote for foundations ,groundworks and drainage - soakways Thanks Harsha.R" - AL8, job posted 16/02/25
A1 Home Care Building Maintenance
A1 Home Care Building Maintenance are here to help customers who need an Extension Builder in AL7. We offer a competitive rate to complete all your...
MA Gower
Need an Extension Builder in AL7? MA Gower has been helping local clients (20 mile radius) with their extension buildering jobs for many years. Get...
Complex Construction
Claudio Lutchi
Complex Construction is an established extension buildering business in AL7. We come highly recommended and provide competitive quotes for your wor...
PRIMEEXPERT
Wiemy jak wa?n? decyzj? dla naszych Klientów jest budowa kupno czy remont domu, dlatego stawiamy na nowoczesne i ekonomiczne rozwi?zania , a ca?? ...
£38/hr
£245/day
Interior Installations
Relax... you have found a reliable extension builder in AL7. Interior Installations is a friendly and reliable company based in AL7 who consider no...
£38/hr
£243/day
STYLE BUILDING SERVICES LTD
STYLE BUILDING SERVICES LTD are here to help customers who need an Extension Builder in AL7. We offer a competitive rate to complete all your exten...
£47/hr
£294/day
J J Roofing & Gutter Repairs
Trusted and professional extension builder in AL7. Experienced in all extension buildering work and keeping within budget and on quote. J J Roofing...
£40/hr
£250/day
J B R Contracts
Need to find an Extension Builder near you for all your extension buildering work?
J B R Contracts provides a local, trusted extension buil...
£42/hr
£271/day
LBH Building & Property Services
LBH Building & Property Services are here to help customers who need an Extension Builder in AL7. We offer a competitive rate to complete all your ...
£49/hr
£310/day
Herts Premier Builders
We offer an extensive building service including a turnkey solution. We are experts in residential extensions, alterations and new builds in the He...
£44/hr
£278/day
Clearview 2000 Limited
Family run business with over 25 years of experience in the industry. FENSA Registered10 Year GuaranteeFree QuotationsNo Hard Sell, fri...
£48/hr
£300/day
J&R Property
J&R Property is an established and experienced local extension builder in AL7. Please contact us for a free, no obligation quote and competitive ra...
£44/hr
£276/day
NJG BUILDING SOLUTIONS LTD
NJG BUILDING SOLUTIONS LTD is an established and experienced local extension builder in AL7. Please contact us for a free, no obligation quote and ...
£43/hr
£273/day
Lemsford Building
Lemsford Building is a trusted extension builder serving customers in AL7 and the surrounding area. Contact us to today to get a competitive quote ...
£47/hr
£293/day
Hertfordshire Design
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£48/hr
£301/day
Laurdan Building LTD
Laurdan Building LTD is an established and experienced local extension builder in AL7. Please contact us for a free, no obligation quote and compet...
£44/hr
£277/day
VALLEYCREST CONSTRUCTION LTD
VALLEYCREST CONSTRUCTION LTD is a trusted extension builder serving customers in AL7 and the surrounding area. Contact us to today to get a competi...
£38/hr
£243/day
Ross Taylor Homes
Ross Taylor Homes is an established extension buildering business in AL7. We come highly recommended and provide competitive quotes for your work.<...
Compare AL7 extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Welwyn Garden City | £42 | £269 |
| Extension Builders near Hatfield | £42 | £266 |
| Extension Builders near Hertford | £46 | £290 |
| Extension Builders near Potters Bar | £43 | £273 |
| Extension Builders near Harpenden | £45 | £282 |
| Extension Builders near St Albans | £43 | £272 |
| Extension Builders near Ware | £47 | £296 |
| Extension Builders near Cheshunt | £48 | £285 |
| Extension Builders near Stevenage | £44 | £282 |
| Extension Builders near Hoddesdon | £46 | £296 |
Job estimates from extension builders near you
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.
Build a timber frame extension - £26,136
Garden office - £10,136
Granny annexe - £87,136
Build a flat roof extension - £22,136
Convert a Garage - £16,136
Hip to gable loft conversion - £42,136
Convert a bungalow loft - £29,136
Build a dormer loft conversion - £42,136
Build a swimming pool - £81,136
Build a Mansard loft conversion - £52,136
Concrete foundations - £6,386
Underpin a building - £17,636
Two storey extension - £88,204
Convert a basement - £39,030
Side return extension - £43,030
Loft conversion - £35,025
Garage - £18,636
Single storey extension - £57,720
Outbuilding - £10,136
Install an RSJ - £2,336
Build a kitchen extension - £42,136
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