Cost to build a mansard loft conversion in UB9

Build a mansard loft conversion in UB9 from £51,840

Mansard loft conversions are ideal if you want to maximise the space in your home. Extending your roof out into a flat roof with an almost vertical wall, they almost always require planning permission but can add significant value to your home.

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Mansard loft conversion cost in UB9
Build a Mansard loft conversion cost in UB9
Estimates for common extension builder jobs in UB9;

Mansard loft conversion cost in UB9

Mansard loft conversions range from the cheapest installation of £51,840 (Peter Cox Ltd - Uxbridge based in UB8) to the dearest of around £51,968 (Coste + Beno Ltd based in HA6).

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 UB9 by posting a job with HaMuch and we'll send it to extension builders in UB9.

Estimates for build a mansard loft conversion near UB9

Estimates for common extension builder jobs in UB9;

Rates for other UB9 trades

Build a Mansard loft conversion cost in UB9

Estimate Build a Mansard loft conversion cost in UB9 based on hourly/daily rate (excluding VAT or callout charges)
Business name	Build a Mansard loft conversion cost
Total Services, 26 Truesdale Drive, Harefield, Uxbridge,, UB9	£51,856
Asset Lofts, 30 High Street, Harefield, Middlesex, UB9	£51,848
Sokhi Construction (UK) Ltd, Hillingdon, UB10	£51,896
P & S Contractors, Buckinghamshire, SL9	£51,952
Sheppard Construction Ltd, Denham, UB9	£51,896
DeHavilland Design & Build Limited, Greater London, HA4	£51,952
DeHavilland Design & Build Limited, Middlesex, Greater London, HA4	£51,864
CC Builders UK Development, Middlesex, UB8	£51,952
BP Keating, Uxbridge, UB10	£51,864
The Property Planner, Greater London, HA4	£51,952
D O C BUILDING SERVICES, Hillingdon, UB10	£51,872
Homeworks Roofing, Middlesex, UB10	£51,952
KPC BUILDING SERVICES LTD, Gerrards Cross, SL9	£51,872
MCCM BUILDING SERVICES LTD, Hillingdon, UB10	£51,872
PB Viking Construction Ltd, Greater London, UB8	£51,952
SL9 Building Services, Unit 111 Rye House 161 High Street, Ruislip, London, Greater London, HA4	£51,856
GS Design & Developments Ltd, Middlesex, UB10	£51,952
ROBINSON AND EDGSON BUILDERS, Iver, SL0	£51,888
Island Exhibitions Residential Interiors, Greater London, UB8	£51,952
Floyd Andrews Building Service, Ruislip, HA4	£51,864
CONSIDERATE BUILDING LIMITED, Gerrards Cross, SL9	£51,896
Peter Cox Ltd - Uxbridge, Peter Cox Ltd, Unit 2 Sarum Complex, Sal, UB8	£51,840
6:59 Ltd, Gerrards Cross, Buckinghamshire, SL9	£51,872
Coste + Beno Ltd, 20 Leaf Close,, Northwood,, London, Greater London, HA6	£51,864
Coste + Beno Ltd, Greater London, HA6	£51,968

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	Job	Estimate
	Cost to underpin a house	£17,400
	Build a two storey extension	£87,850
	Cost to build a timber frame extension	£25,900
	Cost to build a swimming pool	£80,900
	Cost to build a single storey extension	£53,003
	Cost to build a side return extension	£40,377
	Cost to Install an RSJ	£2,100
	Build an outbuilding	£9,900
	Cost to build a mansard loft conversion	£51,900
	Cost of a loft conversion	£32,814
	Cost to build a kitchen extension	£41,900
	Build a hip to gable loft conversion	£41,900
	Build a granny annexe	£86,900
	Build a garden office	£9,900
	Cost of a garage conversion	£15,900
	Build a new garage	£18,400
	Cost to build a flat roof extension	£21,900
	Cost to build a dormer loft conversion	£41,900
	Lay a concrete foundation	£6,150
	Cost of a bungalow loft conversion	£28,900
	Basement conversion cost	£36,377