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Our Builders Ltd
Max Dixon
We are a construction company specialising in all aspects of building works, loft construction Extension complete home renovation, structural ...
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...
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...
Upwards and Outwards
Relax... you have found a reliable extension builder in Blackheath. Upwards and Outwards is a friendly and reliable company based in Blackheath who...
Cost of a two storey extension in Blackheath
Costs range from £87,424 (Jmc buildets based in SE9) to £88,780 (JASPG Construction & Design based in SE18), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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- How much does a two storey extension cost?
- Factors affecting the cost of a double storey extension
- How much value does a two storey extension add to a property?
- Types of two storey extension
- How long does a two storey extension take to build?
- Do you need planning permission for a two storey extension?
- What is the 45-degree rule for two storey extensions?
- Do you need an architect for an extension?
- How to finance an extension
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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 - £17,566
Two storey extension - £88,098
Build a timber frame extension - £26,066
Build a swimming pool - £81,066
Single storey extension - £56,312
Side return extension - £42,238
Install an RSJ - £2,266
Outbuilding - £10,066
Build a Mansard loft conversion - £52,066
Loft conversion - £34,365
Build a kitchen extension - £42,066
Hip to gable loft conversion - £42,066
Granny annexe - £87,066
Garden office - £10,066
Convert a Garage - £16,066
Garage - £18,566
Build a flat roof extension - £22,066
Build a dormer loft conversion - £42,066
Concrete foundations - £6,316
Convert a bungalow loft - £29,066
Convert a basement - £38,238