Cost to build a dormer loft conversion in TW12

Add extra space to your TW12 home from £41,200

Dormer loft conversions are ideal if you want to add lots of extra space to your home. Adding a box-like structure or structures to the roof, you essentially extend the roofline to add significant square footage to your loft space. This makes dormer loft conversions one of the most popular loft conversion types, as they're ideal for adding a new main bedroom with en-suite or even a self-contained living space.

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Cost of dormer loft conversions in TW12

In TW12, prices for dormer loft conversions range from £41,200 (Scott's Gardens based in TW13) to £42,800 (TD PRECISION BUILD LTD based in KT8), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.

The best way to get an accurate price is to compare quotes from extension builders in TW12. Post your job on HaMuch now and we'll put you in touch with available extension builders.

Estimates for build a dormer loft conversion near TW12

	Job	Estimate
	Cost to underpin a house	£17,404
	Build a two storey extension	£87,856
	Cost to build a timber frame extension	£25,904
	Cost to build a swimming pool	£80,904
	Cost to build a single storey extension	£53,086
	Cost to build a side return extension	£40,424
	Cost to Install an RSJ	£2,104
	Build an outbuilding	£9,904
	Cost to build a mansard loft conversion	£51,904
	Cost of a loft conversion	£32,853
	Cost to build a kitchen extension	£41,904
	Build a hip to gable loft conversion	£41,904
	Build a granny annexe	£86,904
	Build a garden office	£9,904
	Cost of a garage conversion	£15,904
	Build a new garage	£18,404
	Cost to build a flat roof extension	£21,904
	Cost to build a dormer loft conversion	£41,904
	Lay a concrete foundation	£6,154
	Cost of a bungalow loft conversion	£28,904
	Basement conversion cost	£36,424

Business name	Build a dormer loft conversion cost
Blue Ribbon Construction, 6 Sherborne Court, 40 Percy Road, Hampto, TW12	£41,848
REED CONSTRUCTION LTD, Hampton, TW12	£41,872
P Genders Building Services, Hampton, TW12	£41,872
HH Concept, Greater London, Greater London, TW12	£41,856
D GAFFNEY D G BUILDERS & CO, Hampton, TW12	£41,872
Power Bespoke Building Limited, Hampton, TW12	£41,896
Home Build Building Revolution, Flat 1, A3 Kingsway business park, Hampton, TW12	£41,856
IN&OUT PROJECTS LTD, Hampton, Greater London, tw12	£41,856
Scott's Gardens, Feltham, TW13	£41,200
ENGLEFIELD CONSTRUCTION LTD, West Molesey, KT8	£41,872
MAGNAT KITCHENS LTD, West Molesey, KT8	£41,888
Cube Lofts, Teddington, Surrey, TW11	£41,848
S & M, Faltham, TW13	£41,896
TD PRECISION BUILD LTD, West Molesey, KT8	£42,800
J PATERSON (BUILDERS) LTD, Sunbury-on-Thames, TW16	£41,872
Stavarache Building, Feltham, Tw13	£42,400
Masterbuild & Design Ltd, Twickenham, TW1	£41,864
Everest Design Ltd, Hampton Road, Twickenham, Greater London, TW2	£41,848
IMKO, Jardine House, 1C Claremont Road, Teddington, London, Greater London, TW11	£41,840
FLK Builders, French street, Sunbury-on-Thames, Greater London, TW16	£41,856
JTB Developments, Greater London, TW13	£41,952
JTB Developments, London, Greater London, TW13	£41,856
SmallBerg, Greater London, TW2	£41,952
A Wahed Builder, Faltham, TW13	£41,880
TipTop Builders, Hounslow Road, Hanworth, Londonderry, TW13	£41,856

Add extra space to your TW12 home from £41,200

Cost of dormer loft conversions in TW12

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Build a dormer loft conversion cost in TW12

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