Two-storey extensions in Broadstairs
We design, get approval for and build two-storey extensions in Broadstairs and the surrounding area. Choose the type of extension below or book a free site visit.
Broadstairs at a glance
- Postcode districts
- CT10
- Area
- Kent, England
- Price region
- South East England
- Nearest towns
- Ramsgate (1.9 miles), Margate (2.9 miles), Birchington-on-Sea (6 miles), Deal (9.5 miles)
- Distance to Maidstone
- about 40.5 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.
Around Broadstairs we also work in Ramsgate, Margate and Birchington-on-Sea, and across the rest of Kent. Postcode district in and near Broadstairs: CT10.
Extensions available in Broadstairs

Two-storey rear extensions
Design, approvals and build for Broadstairs homes. Guide from £61,500.
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Two-storey side extensions
Design, approvals and build for Broadstairs homes. Guide from £94,500.
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Two-storey wraparound extensions
Design, approvals and build for Broadstairs homes. Guide from £132,500.
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Part single, part two-storey extensions
Our South East England guide starts at £79,000 for this type.
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Extensions over a garage
For homes in Broadstairs: typical guide from £34,500.
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First-floor extensions
Guide from £27,500 in Broadstairs, including VAT.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Broadstairs homes. Guide from £61,500.
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Two-storey extensions for detached houses
Guide from £94,500 in Broadstairs, including VAT.
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Kitchen extensions with bedrooms above
Our South East England guide starts at £61,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
Guide from £61,500 (plus en-suite) in Broadstairs, including VAT.
Learn moreWhich type suits your house?
Which type suits your house in Broadstairs depends mostly on where you have room. A deep garden points to a rear extension; space beside the house points to a side or over-garage extension; a house that already has a single-storey extension can often take a first floor on top.
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 Broadstairs
Broadstairs 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 Broadstairs
Do you cover Broadstairs?
Yes. We cover Broadstairs (CT10) and the surrounding area, including Ramsgate and Margate. The first site visit is free.
What does a two-storey extension cost in Broadstairs?
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 Broadstairs do you cover?
Everywhere around it, including Ramsgate (1.9 miles), Margate (2.9 miles) and Birchington-on-Sea (6 miles), and the rest of Kent.