Two-storey extensions in Ewell
Homeowners in Ewell can use us for the whole project or just the drawings and approvals. Start with a free visit.
Ewell at a glance
- Postcode districts
- KT17 and KT19
- Area
- Surrey, England
- Price region
- South East England
- Nearest towns
- Cheam (1.5 miles), Epsom (1.6 miles), Worcester Park (2.1 miles), Sutton (2.1 miles)
- Distance to Woking
- about 13.5 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.
We cover postcode districts KT17 and KT19 in and around Ewell, along with neighbouring Cheam, Epsom and Worcester Park.
Extensions available in Ewell
Two-storey rear extensions
For homes in Ewell: typical guide from £61,500.
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Two-storey side extensions
Ewell guide price from £94,500, Standard spec.
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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
Ewell guide price from £79,000, Standard spec.
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Extensions over a garage
From £34,500 in Ewell. Free visit to firm it up.
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First-floor extensions
Ewell guide price from £27,500, Standard spec.
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Two-storey extensions for semi-detached houses
From £61,500 in Ewell. Free visit to firm it up.
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Two-storey extensions for detached houses
Design, approvals and build for Ewell homes. Guide from £94,500.
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Kitchen extensions with bedrooms above
Guide from £61,500 (before kitchen units) in Ewell, including VAT.
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Extra bedroom and en-suite extensions
From £61,500 (plus en-suite) in Ewell. Free visit to firm it up.
Learn moreWhich type suits your house?
Which type suits your house in Ewell 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 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 Ewell
Ewell 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 Ewell
Do you cover Ewell?
Yes. We cover Ewell (KT17 and KT19) and the surrounding area, including Cheam and Epsom. The first site visit is free.
What does a two-storey extension cost in Ewell?
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 Ewell do you cover?
Everywhere around it, including Cheam (1.5 miles), Epsom (1.6 miles) and Worcester Park (2.1 miles), and the rest of Surrey.