Two-storey extensions in Chester
Need more room in Chester? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Chester at a glance
- Postcode districts
- CH2 and CH3
- Area
- Cheshire, England
- Price region
- North West England
- Nearest towns
- Blacon (1.9 miles), Ellesmere Port (6.1 miles), Neston (Cheshire) (9.2 miles), Garston (9.9 miles)
- Distance to Warrington
- about 19 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 Chester (CH2 and CH3) and the places around it, including Blacon (1.9 miles), Ellesmere Port (6.1 miles) and Neston (Cheshire).
Extensions available in Chester

Two-storey rear extensions
From £53,000 in Chester. Free visit to firm it up.
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Two-storey side extensions
Design, approvals and build for Chester homes. Guide from £82,000.
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Two-storey wraparound extensions
Guide from £114,500 in Chester, including VAT.
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Part single, part two-storey extensions
Our North West England guide starts at £68,500 for this type.
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Extensions over a garage
From £30,000 in Chester. Free visit to firm it up.
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First-floor extensions
From £24,000 in Chester. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Chester guide price from £53,000, Standard spec.
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Two-storey extensions for detached houses
Chester guide price from £82,000, Standard spec.
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Kitchen extensions with bedrooms above
From £53,000 (before kitchen units) in Chester. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Guide from £53,000 (plus en-suite) in Chester, including VAT.
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 Chester we measure distances to every boundary before suggesting a type.
Also available in Cheshire
- 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 Chester
Chester 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 Chester
Do you cover Chester?
Yes. We cover Chester (CH2 and CH3) and the surrounding area, including Blacon and Ellesmere Port. The first site visit is free.
What does a two-storey extension cost in Chester?
Using our North West 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 £53,000–£72,000 including VAT. An extension over a garage is about £30,000–£43,500.
Which other places near Chester do you cover?
Everywhere around it, including Blacon (1.9 miles), Ellesmere Port (6.1 miles) and Neston (Cheshire) (9.2 miles), and the rest of Cheshire.