Two-storey extensions in Deal
Need more room in Deal? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Deal at a glance
- Postcode districts
- CT13 and CT14
- Area
- Kent, England
- Price region
- South East England
- Nearest towns
- Dover (7.8 miles), Ramsgate (7.8 miles), Broadstairs (9.5 miles), Margate (11 miles)
- Distance to Maidstone
- about 38.4 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.
Deal sits about 38.4 miles from Maidstone. Closer to home, Dover is 7.8 miles away and Ramsgate 7.8 miles.
Extensions available in Deal
Two-storey rear extensions
For homes in Deal: typical guide from £61,500.
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Two-storey side extensions
Guide from £94,500 in Deal, including VAT.
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Two-storey wraparound extensions
From £132,500 in Deal. Free visit to firm it up.
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Part single, part two-storey extensions
From £79,000 in Deal. Free visit to firm it up.
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Extensions over a garage
Design, approvals and build for Deal homes. Guide from £34,500.
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First-floor extensions
Deal guide price from £27,500, Standard spec.
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Two-storey extensions for semi-detached houses
For homes in Deal: typical guide from £61,500.
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Two-storey extensions for detached houses
Guide from £94,500 in Deal, including VAT.
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Kitchen extensions with bedrooms above
Guide from £61,500 (before kitchen units) in Deal, including VAT.
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Extra bedroom and en-suite extensions
Design, approvals and build for Deal homes. Guide from £61,500 (plus en-suite).
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 Deal we measure distances to every boundary before suggesting a type.
Also available in Kent
- 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 Deal
Deal 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 Deal
Do you cover Deal?
Yes. We cover Deal (CT13 and CT14) and the surrounding area, including Dover and Ramsgate. The first site visit is free.
What does a two-storey extension cost in Deal?
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 Deal do you cover?
Everywhere around it, including Dover (7.8 miles), Ramsgate (7.8 miles) and Broadstairs (9.5 miles), and the rest of Kent.