Cost to build a mansard loft conversion in CM15

Build a mansard loft conversion in CM15 from £51,760

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 CM15
Build a Mansard loft conversion cost in CM15
Estimates for common extension builder jobs in CM15;

Mansard loft conversion cost in CM15

Mansard loft conversions range from the cheapest installation of £51,760 (R.P. Bricklayer based in RM4) to the dearest of around £53,200 (Gemini Properties T/A Simon Donovan based in CM5).

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 CM15 by posting a job with HaMuch and we'll send it to extension builders in CM15.

Estimates for build a mansard loft conversion near CM15

Estimates for common extension builder jobs in CM15;

Rates for other CM15 trades

Build a Mansard loft conversion cost in CM15

Estimate Build a Mansard loft conversion cost in CM15 based on hourly/daily rate (excluding VAT or callout charges)
Business name	Build a Mansard loft conversion cost
PMD Construction, Brentwood, Brentwood, Essex, CM15	£51,800
Project Magnate Consulting, Essex, CM15	£51,912
D Weaver Builders Ltd, Brentwood, CM15	£51,792
Harris Murray Carpentry & Building Ltd, Essex, CM15	£51,912
Renov8 Create, Brentwood, Brentwood, Essex, CM14	£51,808
Essex Elite Services, Brentwood, CM14	£51,784
JPC CONSTRUCTION LTD, Brentwood, CM13	£51,800
LDN Renovation LTD, Hutton, CM13	£51,880
Clive Williams, Brentwood, CM13	£52,000
Resolve Building Claims, Resolve House, 2 West Way, Brentwood, Es, CM14	£51,784
Line Up Brickwork Ltd, Essex, CM13	£51,888
J&N Contractors (Essex) Limited, Essex, CM14	£52,000
Bush Builders, Essex, CM14	£51,904
PRESTON BUILDERS LTD, Brentwood, CM13	£51,800
THAMESLINK BUILDING SRVCS LTD, Harold Hill, RM3	£51,840
R.P. Bricklayer , Romford , RM4	£51,760
Henry’s Building service, Essex, Cm13	£51,904
Sky Stairs, Brentwood, CM14	£51,872
Build Experts, Greater London, RM3	£51,920
ACS Building, Harold Hill, RM3	£51,840
Stratton Building Services, Essex, rm3	£51,920
James Regan Construction Ltd, Ongar, Essex, Cm5	£51,792
A N BUILDING, Harold Hill, RM3	£51,848
Gemini Properties T/A Simon Donovan, Ongar, CM5	£53,200
Advanced Glazing Systems Ltd, Unit 4a Folkes Farm, Folkes Lane, Upmins, RM14	£51,912

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Location in UK	Hourly Rate	Daily Rate
Build A Mansard Loft Conversion near Brentwood	£34	£225
Build A Mansard Loft Conversion near Billericay	£34	£219
Build A Mansard Loft Conversion near Romford	£39	£237
Build A Mansard Loft Conversion near Basildon	£34	£220
Build A Mansard Loft Conversion near South Ockendon	£51	£242
Build A Mansard Loft Conversion near Chelmsford	£33	£224
Build A Mansard Loft Conversion near Wickford	£34	£225
Build A Mansard Loft Conversion near Stanford-le-Hope	£35	£222
Build A Mansard Loft Conversion near Loughton	£38	£238
Build A Mansard Loft Conversion near Thurrock	£36	£227

	Job	Estimate
	Cost to underpin a house	£17,415
	Build a two storey extension	£87,872
	Cost to build a timber frame extension	£25,915
	Cost to build a swimming pool	£80,915
	Cost to build a single storey extension	£53,298
	Cost to build a side return extension	£40,542
	Cost to Install an RSJ	£2,115
	Build an outbuilding	£9,915
	Cost to build a mansard loft conversion	£51,915
	Cost of a loft conversion	£32,952
	Cost to build a kitchen extension	£41,915
	Build a hip to gable loft conversion	£41,915
	Build a granny annexe	£86,915
	Build a garden office	£9,915
	Cost of a garage conversion	£15,915
	Build a new garage	£18,415
	Cost to build a flat roof extension	£21,915
	Cost to build a dormer loft conversion	£41,915
	Lay a concrete foundation	£6,165
	Cost of a bungalow loft conversion	£28,915
	Basement conversion cost	£36,542