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Bspec Ltd
Mick Singh
At Building Services Contractors we pride ourselves on an efficient and friendly service, and strive to achieve 100% customer satisfaction.
SH Enterprise
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
SLS BUILDERS LIMITED
SLS BUILDERS LIMITED is a trusted extension builder serving customers in Islington and the surrounding area. Contact us to today to get a competiti...
Torrington
Torrington Design
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO
Five Star Builder
Experienced extension builder ready to quote for your work. Five Star Builder is the best extension builder in Islington. No obligation free quotes...
London Trowel Co.
Relax... you have found a reliable extension builder in Islington. London Trowel Co. is a friendly and reliable company based in Islington who cons...
Thermodynamic Building Services Ltd
Trusted and professional extension builder in Islington. Experienced in all extension buildering work and keeping within budget and on quote. Therm...
First guard Roofing
Darren Bergin
Relax... you have found a reliable extension builder in Islington. First guard Roofing is a friendly and reliable company based in Islington who co...
CK Constructions & Development Ltd
CK Constructions & Development Ltd is a trusted extension builder serving customers in Islington and the surrounding area. Contact us to today to g...
JK Doors
JK Doors is a trusted extension builder serving customers in Islington and the surrounding area. Contact us to today to get a competitive quote for...
Mansard loft conversion cost in Islington
Mansard loft conversions range from the cheapest installation of £51,976 (SLS BUILDERS LIMITED based in NW5) to the dearest of around £52,400 (Five Star Builder based in N16).
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 Islington by posting a job with HaMuch and we'll send it to extension builders in Islington.
- 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 Islington;
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 - £17,678
Two storey extension - £88,268
Build a timber frame extension - £26,178
Build a swimming pool - £81,178
Single storey extension - £58,568
Side return extension - £43,507
Install an RSJ - £2,378
Outbuilding - £10,178
Build a Mansard loft conversion - £52,178
Loft conversion - £35,423
Build a kitchen extension - £42,178
Hip to gable loft conversion - £42,178
Granny annexe - £87,178
Garden office - £10,178
Convert a Garage - £16,178
Garage - £18,678
Build a flat roof extension - £22,178
Build a dormer loft conversion - £42,178
Concrete foundations - £6,428
Convert a bungalow loft - £29,178
Convert a basement - £39,507