Two-storey extensions in Epsom
Need more room in Epsom? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Epsom at a glance
- Postcode districts
- KT18
- Area
- Surrey, England
- Price region
- South East England
- Nearest towns
- Ewell (1.6 miles), Ashtead (2 miles), Chessington (2.7 miles), Banstead (2.8 miles)
- Distance to Woking
- about 12.5 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 Epsom (KT18) and the places around it, including Ewell (1.6 miles), Ashtead (2.0 miles) and Chessington.
Extensions available in Epsom
Two-storey rear extensions
Design, approvals and build for Epsom homes. Guide from £61,500.
Learn more
Two-storey side extensions
Guide from £94,500 in Epsom, including VAT.
Learn more
Two-storey wraparound extensions
Design, approvals and build for Epsom homes. Guide from £132,500.
Learn more
Part single, part two-storey extensions
Our South East England guide starts at £79,000 for this type.
Learn more
Extensions over a garage
Our South East England guide starts at £34,500 for this type.
Learn more
First-floor extensions
Design, approvals and build for Epsom homes. Guide from £27,500.
Learn more
Two-storey extensions for semi-detached houses
Our South East England guide starts at £61,500 for this type.
Learn more
Two-storey extensions for detached houses
Guide from £94,500 in Epsom, including VAT.
Learn more
Kitchen extensions with bedrooms above
Epsom guide price from £61,500 (before kitchen units), Standard spec.
Learn more
Extra bedroom and en-suite extensions
From £61,500 (plus en-suite) in Epsom. Free visit to firm it up.
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Epsom we also design annexes, home offices and bedrooms over garages.
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 Epsom
Epsom 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 Epsom
Do you cover Epsom?
Yes. We cover Epsom (KT18) and the surrounding area, including Ewell and Ashtead. The first site visit is free.
What does a two-storey extension cost in Epsom?
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 Epsom do you cover?
Everywhere around it, including Ewell (1.6 miles), Ashtead (2 miles) and Chessington (2.7 miles), and the rest of Surrey.