Cost to build a mansard loft conversion in AL3

Build a mansard loft conversion in AL3 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 AL3
Build a Mansard loft conversion cost in AL3
Estimates for common extension builder jobs in AL3;

Mansard loft conversion cost in AL3

Mansard loft conversions range from the cheapest installation of £51,760 (Priolotiling based in AL5) to the dearest of around £52,000 (Bob's Home Maintenance based in AL3).

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 AL3 by posting a job with HaMuch and we'll send it to extension builders in AL3.

Estimates for build a mansard loft conversion near AL3

Estimates for common extension builder jobs in AL3;

Rates for other AL3 trades

Build a Mansard loft conversion cost in AL3

Estimate Build a Mansard loft conversion cost in AL3 based on hourly/daily rate (excluding VAT or callout charges)
Business name	Build a Mansard loft conversion cost
JBP Developments Ltd, St. Albans, AL3	£51,968
Abalon Construction , Edmonton, ZZ99	£51,928
Mayfield Building Contractor, Hertfordshire, AL3	£51,968
RenoSpace, Hertfordshire, AL3	£51,968
Bob's Home Maintenance, Redbourn, AL3	£52,000
IC Builders, Hertfordshire, AL1	£51,968
Peter's Gutters , Harpenden , AL5	£51,888
4siblings, Harpenden, Hertfordshire, AL5	£51,824
Designer Shade Solutions, Hertfordshire, AL1	£51,968
Home By Simon Belcher, Hertfordshire, AL5	£51,976
Ashtons, Hertfordshire, Al5	£51,976
Luxe Design & Build Ltd, Greater London, HP2	£51,968
RZ Building Services Ltd, Hertfordshire, HP2	£51,968
Planson’s Building Services, Hertfordshire , AL1	£52,000
Beswick Building and Renovations LTD, Saint Albans, Hertfordshire, al1	£51,848
JAS Housing Developments, St Albans, St Albans, Hertfordshire, AL1	£51,848
JGS Building Ltd, Hertfordshire, AL1	£51,968
P & A Doherty, 23 Pemberton Close, St Albans, Hertfords, AL1	£51,840
DK Home Refurbishment Limited, St. albans, AL1	£51,896
T Woodman Loft Conversions & Extensions, Hemel hempstead, HP2	£51,888
R. Newman Construction, Londonderry, AL4	£51,968
Ideal Roofing, Hemel Hempstead, HP2	£51,880
JCG BUILDING SERVICES LTD, Apsley, HP3	£51,888
Property Interior Services, St. Albans, AL1	£51,960
Priolotiling, Harpenden, AL5	£51,760

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Location in UK	Hourly Rate	Daily Rate
Build A Mansard Loft Conversion near St Albans	£52	£246
Build A Mansard Loft Conversion near Harpenden	£70	£264
Build A Mansard Loft Conversion near Hemel Hempstead	£36	£232
Build A Mansard Loft Conversion near Dacorum	£36	£232
Build A Mansard Loft Conversion near Hatfield	£53	£244
Build A Mansard Loft Conversion near Luton	£37	£240
Build A Mansard Loft Conversion near Welwyn Garden City	£36	£229
Build A Mansard Loft Conversion near Berkhamsted	£35	£227
Build A Mansard Loft Conversion near Bushey	£37	£240
Build A Mansard Loft Conversion near Watford	£37	£239

	Job	Estimate
	Cost to underpin a house	£17,424
	Build a two storey extension	£87,887
	Cost to build a timber frame extension	£25,924
	Cost to build a swimming pool	£80,924
	Cost to build a single storey extension	£53,490
	Cost to build a side return extension	£40,650
	Cost to Install an RSJ	£2,124
	Build an outbuilding	£9,924
	Cost to build a mansard loft conversion	£51,924
	Cost of a loft conversion	£33,042
	Cost to build a kitchen extension	£41,924
	Build a hip to gable loft conversion	£41,924
	Build a granny annexe	£86,924
	Build a garden office	£9,924
	Cost of a garage conversion	£15,924
	Build a new garage	£18,424
	Cost to build a flat roof extension	£21,924
	Cost to build a dormer loft conversion	£41,924
	Lay a concrete foundation	£6,174
	Cost of a bungalow loft conversion	£28,924
	Basement conversion cost	£36,650