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J&J Building Solutions
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in Tulse Hill. No obligation free ...
Greens Gardening & Landscape Property Maintenance
John Mcdonagh
Watch our short video highlighting all our expertise and services here:
more than 10 y...
From £53,200
Banga Decoration
Sebastian Banga
Member since August 2025
Banga decoration. Is Base in south London for number of year Banga decoration is a small company. Wich provide an excellent job to the custom...
Buci builders ltd
Robert Buci
Buci builders ltd is a trusted extension builder serving customers in Tulse Hill and the surrounding area. Contact us to today to get a competitive...
Langston Builders
Langston Builders is a trusted extension builder serving customers in Tulse Hill and the surrounding area. Contact us to today to get a competitive...
RCB Group Design & Build
Vasi J
No Call out charges!
All Jobs Fully Insured and Guaranteed !!!
All aspects of Plumbing, Heating and Drains....
..."I am very pleased with the work carried out. All very clear and transparent." - ROMFORD,reviewed 10/01/18, KELLY
PW Construction & Renovation Ltd
PW Construction & Renovation Ltd is a trusted extension builder serving customers in Tulse Hill and the surrounding area. Contact us to today to ge...
The Perfectionist
Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in Tulse Hill. No obligation free quote...
Glenn Miller Builders Limited
Glenn Miller
Relax... you have found a reliable extension builder in Tulse Hill. Glenn Miller Builders Limited is a friendly and reliable company based in Tulse...
PRM BUILDING
Relax... you have found a reliable extension builder in Tulse Hill. PRM BUILDING is a friendly and reliable company based in Tulse Hill who conside...
Mansard loft conversion cost in Tulse Hill
Mansard loft conversions range from the cheapest installation of £51,984 (RCB Group Design & Build based in SE21) to the dearest of around £53,200 (Banga Decoration based in CR7).
While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.
Get quotes to install a mansard loft conversion in Tulse Hill by posting a job with HaMuch and we'll send it to extension builders in Tulse Hill.
- How much does a mansard loft conversion cost?
- What is a mansard loft conversion?
- Factors that affect the cost of a mansard loft conversion
- Additional costs to consider with a mansard loft conversion
- How long does a mansard loft conversion take?
- Do I need planning permission for a mansard roof?
- What is the difference between a dormer and a mansard?
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Estimates for common extension builder jobs in Tulse 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 - £17,828
Two storey extension - £88,492
Build a timber frame extension - £26,328
Build a swimming pool - £81,328
Single storey extension - £61,560
Side return extension - £45,190
Install an RSJ - £2,528
Outbuilding - £10,328
Build a Mansard loft conversion - £52,328
Loft conversion - £36,825
Build a kitchen extension - £42,328
Hip to gable loft conversion - £42,328
Granny annexe - £87,328
Garden office - £10,328
Convert a Garage - £16,328
Garage - £18,828
Build a flat roof extension - £22,328
Build a dormer loft conversion - £42,328
Concrete foundations - £6,578
Convert a bungalow loft - £29,328
Convert a basement - £41,190