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J&S WALLINGTON LIMITED
We provide our clients with excellent service and quality. Whether you are looking to extend or upgrade, our professional team has the skills and e...
Exquisite Design & Build Ltd
Need an Extension Builder in Blackheath? Exquisite Design & Build Ltd has been helping local clients (5 mile radius) with their extension builderin...
Our Builders Ltd
Max Dixon
We are a construction company specialising in all aspects of building works, loft construction Extension complete home renovation, structural ...
AM Builder
Trusted and professional extension builder in Blackheath. Experienced in all extension buildering work and keeping within budget and on quote. AM B...
Jmc buildets
Jay Christenson
Experienced extension builder ready to quote for your work. Jmc buildets is the best extension builder in Blackheath. No obligation free quotes and...
JASPG Construction & Design
JASPG excel in finding investment opportunities, working together with clients and partners to achieve optimal results. We project manage from star...
AMJAC CONSTRUCTION LTD
Need to find an Extension Builder near you for all your extension buildering work?
AMJAC CONSTRUCTION LTD provides a local, trusted extensi...
RLD Contractors Ltd
RLD Contractors Ltd is an established and experienced local extension builder in Blackheath. Please contact us for a free, no obligation quote and ...
Rapid Bee Ltd
Rapid Bee Ltd is an established extension buildering business in Blackheath. We come highly recommended and provide competitive quotes for your wor...
HA.ME.RA Building & Decoration
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Extension builder estimates (based on hourly rates) to build a single storey extension in Blackheath
- How much does a single storey extension cost?
- Single storey extension cost calculator
- What size single storey extension can I build without planning permission?
- Do I need an architect for an extension?
- How deep do foundations need to be for a single storey extension?
- Is it cheaper to have an extension or a conservatory?
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Estimates for common extension builder jobs in Blackheath;
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 - £17,590
Two storey extension - £88,136
Build a timber frame extension - £26,090
Build a swimming pool - £81,090
Single storey extension - £56,808
Side return extension - £42,517
Install an RSJ - £2,290
Outbuilding - £10,090
Build a Mansard loft conversion - £52,090
Loft conversion - £34,598
Build a kitchen extension - £42,090
Hip to gable loft conversion - £42,090
Granny annexe - £87,090
Garden office - £10,090
Convert a Garage - £16,090
Garage - £18,590
Build a flat roof extension - £22,090
Build a dormer loft conversion - £42,090
Concrete foundations - £6,340
Convert a bungalow loft - £29,090
Convert a basement - £38,517