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Optimus Build Solutions
Vasile Boghean
Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...
A Star Construction
Relax... you have found a reliable extension builder in Harold Hill. A Star Construction is a friendly and reliable company based in Harold Hill wh...
Housemartin Building Services
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Q Boss D&B
Q Boss D&B is an established extension buildering business in Harold Hill. We come highly recommended and provide competitive quotes for your work....
KERFIELD BUILDING SERVICES LTD
Need to find an Extension Builder near you for all your extension buildering work?
KERFIELD BUILDING SERVICES LTD provides a local, trusted...
Prendi Construction Ltd
Peter Prendi
Prendi Construction Ltd is an established and experienced local extension builder in Harold Hill. Please contact us for a free, no obligation quote...
J Mchayle & Sons
J Mchayle & Sons are here to help customers who need an Extension Builder in Harold Hill. We offer a competitive rate to complete all your extensio...
SS Home Builders
SS Home Builders is a trusted extension builder serving customers in Harold Hill and the surrounding area. Contact us to today to get a competitive...
ESSEX TIMBER BUILDINGS LTD
Peter Smith
ESSEX TIMBER BUILDINGS LTD is an established extension buildering business in Harold Hill. We come highly recommended and provide competitive quote...
Phull Design & Build Ltd
Phull Design & Build Ltd are here to help customers who need an Extension Builder in Harold Hill. We offer a competitive rate to complete all your ...
Extension builder estimates (based on hourly rates) to build a single storey extension in Harold Hill
- How much does a single storey extension cost?
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Estimates for common extension builder jobs in Harold Hill;
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.
Underpin a building - £17,758
Two storey extension - £88,386
Build a timber frame extension - £26,258
Build a swimming pool - £81,258
Single storey extension - £60,152
Side return extension - £44,398
Install an RSJ - £2,458
Outbuilding - £10,258
Build a Mansard loft conversion - £52,258
Loft conversion - £36,165
Build a kitchen extension - £42,258
Hip to gable loft conversion - £42,258
Granny annexe - £87,258
Garden office - £10,258
Convert a Garage - £16,258
Garage - £18,758
Build a flat roof extension - £22,258
Build a dormer loft conversion - £42,258
Concrete foundations - £6,508
Convert a bungalow loft - £29,258
Convert a basement - £40,398