Cost to build a granny annexe in TW17

Build additional living space on your property in TW17

A granny annexe is the ideal solution for offering a young family member their own space in your home while they save up for their own house, or to help an older relative have some independence while keeping them at a safe distance. But how much do they cost to build in TW17?

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Granny Annexe Cost in TW17

Building a granny annexe ranges from £86,840 (K & A Construction based in TW16) to £86,960 (Method Build Ltd based in TW16), but these are just estimates that can help give you an idea of who will be better value in your area.

The best thing to do is to get quotes to build a granny annexe in TW17 by posting a job with HaMuch. We will send it to extension builders in TW17 who will be happy to help you.

	Job	Estimate
	Cost to underpin a house	£17,397
	Build a two storey extension	£87,845
	Cost to build a timber frame extension	£25,897
	Cost to build a swimming pool	£80,897
	Cost to build a single storey extension	£52,939
	Cost to build a side return extension	£40,341
	Cost to Install an RSJ	£2,097
	Build an outbuilding	£9,897
	Cost to build a mansard loft conversion	£51,897
	Cost of a loft conversion	£32,784
	Cost to build a kitchen extension	£41,897
	Build a hip to gable loft conversion	£41,897
	Build a granny annexe	£86,897
	Build a garden office	£9,897
	Cost of a garage conversion	£15,897
	Build a new garage	£18,397
	Cost to build a flat roof extension	£21,897
	Cost to build a dormer loft conversion	£41,897
	Lay a concrete foundation	£6,147
	Cost of a bungalow loft conversion	£28,897
	Basement conversion cost	£36,341

Business name	Granny annexe cost
K & A Construction, Sunbury on Thames , TW16	£86,840
Method Build Ltd, Surrey, TW16	£86,960
Aspire Design & Build Ltd, Surrey, KT12	£86,960
Offa Construction Ltd, Wolton on Thames, Surrey, KT12	£86,864
TOTUS, Unit 5 Enterprise House, 44-46 Terrace Road, Walton on Thames, Surrey, kt12	£86,856
GJ Design and Build Ltd, London, Greater London, TW16	£86,864
GJ Design and Build Ltd, Greater London, TW16	£86,960
TATEBERRY DESIGN&CONSTRUCTION, Sunbury-on-Thames, TW16	£86,880
Proxile Solutions Limited, Ashford, TW15	£86,856
OATLANDS, Surrey, KT13	£86,960
Redridge Developers UK, Surrey, Kt13	£86,960
Mulberry Design & Build Ltd, Greater London, KT13	£86,960
AMD Building Services, Weybridge, KT13	£86,896
J H CONSTRUCTION, Sunbury-on-Thames, TW16	£86,880
Hanging Space, Weybridge, Surrey, KT13	£86,872
MARBANK CONSTRUCTION LTD, Weybridge, KT13	£86,880
MARBANK CONSTRUCTION LTD, Weybridge, KT13	£86,880
Surrey Hills Extend and Renovate Limited, Weybridge, KT13	£86,840
FLK Builders, French street, Sunbury-on-Thames, Greater London, TW16	£86,856
B D Roofing, Sunbury-on-Thames, TW16	£86,872
J PATERSON (BUILDERS) LTD, Sunbury-on-Thames, TW16	£86,872
S T Builders, Walton-on-Thames, KT12	£86,880
Burwood Construction, Surrey, KT12	£86,960
Aldridge and Sons Roofing Ltd, 107 Groveley Road, Sunbury-On-Thames, Mi, TW16	£86,856
Assent Construction, Ashford, Tw15	£86,960

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Granny Annexe Cost in TW17

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Granny annexe cost in TW17

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