Cost to build a dormer loft conversion in Chiswick

Cost of dormer loft conversions in Chiswick

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.

In Chiswick, prices for dormer loft conversions range from £41,832 (Starling Constructions Ltd based in W4) to £42,800 (Adrian Design Ltd based in W4), 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 Chiswick. Post your job on HaMuch now and we'll put you in touch with available extension builders.

Estimates for dormer loft conversion near Chiswick

How much does a dormer loft conversion cost?
Dormer loft conversion cost per m2
Factors affecting the cost of a dormer loft conversion
What is a dormer loft conversion?
How long does a dormer loft conversion take?
Do I need an architect to add a dormer?
Do I need planning permission for a dormer loft conversion?
Can you add a dormer to any house?
How much extra space does a dormer give you?

	Job	Estimate
	Underpinning a house	£17,431
	Build a two storey extension	£87,896
	Build a timber frame extension	£25,931
	Install a swimming pool	£80,931
	Cost to build a single storey extension	£53,618
	Cost to build a side return extension	£40,722
	Install an RSJ	£2,131
	Build an outbuilding	£9,931
	Build a mansard loft conversion	£51,931
	Cost of a loft conversion	£33,102
	Build a kitchen extension	£41,931
	Build a hip to gable loft conversion	£41,931
	Build a granny annexe	£86,931
	Build a garden office	£9,931
	Convert a garage	£15,931
	Build a new garage	£18,431
	Build a flat roof extension	£21,931
	Build a dormer loft conversion	£41,931
	Lay a concrete foundation	£6,181
	Convert a bungalow loft	£28,931
	Basement conversion cost	£36,722

Business name	Dormer loft conversion cost
Starling Constructions Ltd, London, W4	£41,832
SxS Design & Build, Greater London, W4	£41,944
Kuta Design and Build Limited, Greater London, W4	£41,944
Arrow Design LTD, London, Londonderry, W4	£41,840
ASSEGAI DESIGN&BUILD, Chiswick, W4	£41,864
Elite London Construction, 9 Fisher's Lane, Chiswick, London, Greater London, W4	£41,840
Good Design and Build, London, Greater London, W4	£41,840
Guardian Developments, Londonderry, W4	£41,944
Zulufish, 26 Arlington Gardens, Chiswick, London, Greater London, W4	£41,840
Smart Property Sourcing, Midlothian, W4	£41,944
Pipedreams Interiors Ltd, 33c Saville Road, Chiswick, London, Greater London, W4	£41,944
Adrian Design Ltd, Chiswick , W4	£42,800
R Burton & Sons Builders, Chiswick, W4	£41,864
SW CHELSEA CONSTRUCTION, Greater London, W4	£41,944
Magill Travill Construction, Chiswick, W4	£41,888
Knight Refurbishment House Renovation, Greater London, W4	£41,944
P and J Roofing & Building Contractors Ltd, 35 Colville Road, London, Greater London, W3	£41,944
Specialist Screeding, Hammersmith, W6	£41,888
Hamilton King, Greater London, W4	£41,840
Raremade, Greater London, W3	£41,944
JOHN HOPWOOD DELTA CONSTRUCTION SERVICES, Chiswick, W4	£41,848
Shape Design & Build, Sun Studios, 30 Warple Way, London, Greater London, W3	£41,840
Nomex Design, Greater London, w3	£41,944
C H Westend, 380 Bollo Lane, London, Greater London, W3	£41,944
CHISWICK CONSTRUCTION LTD, Acton, W3	£41,864

Add extra space to your Chiswick home from £41,832

Cost of dormer loft conversions in Chiswick

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Dormer loft conversion cost in Chiswick

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