Two-storey extensions in Addlestone
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Addlestone.
Addlestone at a glance
- Postcode districts
- KT14 and KT15
- Area
- Surrey, England
- Price region
- South East England
- Nearest towns
- Chertsey (1.3 miles), Weybridge (1.5 miles), Shepperton (2.5 miles), Walton-on-Thames (3.6 miles)
- Distance to Woking
- about 4.6 miles
- Approvals
- Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission.
We cover postcode districts KT14 and KT15 in and around Addlestone, along with neighbouring Chertsey, Weybridge and Shepperton.
Extensions available in Addlestone
Two-storey rear extensions
Design, approvals and build for Addlestone homes. Guide from £61,500.
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Two-storey side extensions
Design, approvals and build for Addlestone homes. Guide from £94,500.
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Two-storey wraparound extensions
Our South East England guide starts at £132,500 for this type.
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Part single, part two-storey extensions
Addlestone guide price from £79,000, Standard spec.
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Extensions over a garage
Design, approvals and build for Addlestone homes. Guide from £34,500.
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First-floor extensions
From £27,500 in Addlestone. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Our South East England guide starts at £61,500 for this type.
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Two-storey extensions for detached houses
Addlestone guide price from £94,500, Standard spec.
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Kitchen extensions with bedrooms above
For homes in Addlestone: typical guide from £61,500 (before kitchen units).
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Extra bedroom and en-suite extensions
Guide from £61,500 (plus en-suite) in Addlestone, including VAT.
Learn moreWhich type suits your house?
Rear and side extensions suit most semi-detached and detached houses with room around them. Terraced and town-centre homes can take a two-storey extension too, with more care over neighbours, light and access.
Also available in Surrey
- Two-storey front extensions
- Two-storey extensions for end-of-terrace houses
- Two-storey annexe extensions
- Garage conversions with a room above
- Two-storey extension plans and drawings
- Planning permission for two-storey extensions
- Structural engineering for two-storey extensions
- Building regulations for two-storey extensions
- Party wall notices for extensions
- Design and build two-storey extensions
Rules for Addlestone
Addlestone is in England. Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission. Householder planning application: £548 (or £575 for applications made from 8 December 2026). Lawful development certificate: £274 (about £288 for applications from 8 December 2026). Councils should decide householder applications within 8 weeks of validation.
The full England rules explained
Questions about extensions in Addlestone
Do you cover Addlestone?
Yes. We cover Addlestone (KT14 and KT15) and the surrounding area, including Chertsey and Weybridge. The first site visit is free.
What does a two-storey extension cost in Addlestone?
Using our South East England guide, a two-storey rear extension with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) is about £61,500–£83,000 including VAT. An extension over a garage is about £34,500–£50,500.
Which other places near Addlestone do you cover?
Everywhere around it, including Chertsey (1.3 miles), Weybridge (1.5 miles) and Shepperton (2.5 miles), and the rest of Surrey.