Two-storey extensions in Charlton
Homeowners in Charlton can use us for the whole project or just the drawings and approvals. Start with a free visit.
Charlton at a glance
- Postcode districts
- SE7
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Kidbrooke (1.4 miles), Plumstead (1.9 miles), Blackheath (2 miles), Canning Town (2.2 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 Charlton (SE7) and the places around it, including Kidbrooke (1.4 miles), Plumstead (1.9 miles) and Blackheath.
Extensions available in Charlton
Two-storey rear extensions
Guide from £67,000 in Charlton, including VAT.
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Two-storey side extensions
For homes in Charlton: typical guide from £103,500.
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Two-storey wraparound extensions
Design, approvals and build for Charlton homes. Guide from £144,500.
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Part single, part two-storey extensions
Design, approvals and build for Charlton homes. Guide from £86,500.
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Extensions over a garage
Charlton guide price from £38,000, Standard spec.
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First-floor extensions
For homes in Charlton: typical guide from £30,000.
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Two-storey extensions for semi-detached houses
Charlton guide price from £67,000, Standard spec.
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Two-storey extensions for detached houses
Design, approvals and build for Charlton homes. Guide from £103,500.
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Kitchen extensions with bedrooms above
Guide from £67,000 (before kitchen units) in Charlton, including VAT.
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Extra bedroom and en-suite extensions
Our London guide starts at £67,000 (plus en-suite) for this type.
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in Charlton we measure distances to every boundary before suggesting a type.
Also available in Greater London
- 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 Charlton
Charlton 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 Charlton
Do you cover Charlton?
Yes. We cover Charlton (SE7) and the surrounding area, including Kidbrooke and Plumstead. The first site visit is free.
What does a two-storey extension cost in Charlton?
Using our London 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 £67,000–£90,500 including VAT. An extension over a garage is about £38,000–£55,000.
Which other places near Charlton do you cover?
Everywhere around it, including Kidbrooke (1.4 miles), Plumstead (1.9 miles) and Blackheath (2 miles), and the rest of Greater London.