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Frame Brickwork
Relax... you have found a reliable extension builder in WD17. Frame Brickwork is a friendly and reliable company based in WD17 who consider no job ...
1st Choice Builders UK
Experienced extension builder ready to quote for your work. 1st Choice Builders UK is the best extension builder in WD17. No obligation free quotes...
T N Roofing
T N Roofing is an established extension buildering business in WD17. We come highly recommended and provide competitive quotes for your work.
A&T Building
Andy
A&T Building is an established extension buildering business in WD17. We come highly recommended and provide competitive quotes for your work.
...Conversion Property and Electrical Services
Our building services company Conversion Property and Electrical Services has 17 years of experience in the industry. We have been helping customer...
Design & Build Builders Ltd
Trusted and professional extension builder in WD17. Experienced in all extension buildering work and keeping within budget and on quote. Design & B...
Tonybuild
Watford, WD17
Relax... you have found a reliable extension builder in WD17. Tonybuild is a friendly and reliable company based in WD17 who consider no job as too...
Eeoc
Emilian Czeiszperger
Hello I am Emilian , the proud owner of Eeoc Ltd, A little about me With many happy and returning customers over the last 14 years, y...
From £88,216
Primrose Projects
Hertfordshire, WD17
Primrose Projects is an established and experienced local extension builder in WD17. Please contact us for a free, no obligation quote and competit...
From £87,868
Progressive Design London
Experienced extension builder ready to quote for your work. Progressive Design London is the best extension builder in WD17. No obligation free quo...
Cost of a two storey extension in WD17
Costs range from £87,868 (Progressive Design London based in WD24) to £92,140 (Design & Build Builders Ltd based in WD18), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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"Two storey extension" - WATFORD, job posted 01/01/70
- 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 WD17;
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 - £18,015
Two storey extension - £88,773
Build a timber frame extension - £26,515
Build a swimming pool - £81,515
Single storey extension - £65,304
Side return extension - £47,296
Install an RSJ - £2,715
Outbuilding - £10,515
Build a Mansard loft conversion - £52,515
Loft conversion - £38,580
Build a kitchen extension - £42,515
Hip to gable loft conversion - £42,515
Granny annexe - £87,515
Garden office - £10,515
Convert a Garage - £16,515
Garage - £19,015
Build a flat roof extension - £22,515
Build a dormer loft conversion - £42,515
Concrete foundations - £6,765
Convert a bungalow loft - £29,515
Convert a basement - £43,296