Two-storey extensions in Chepstow
Planning a bigger home in Chepstow? Compare extension types and guide prices below, then book a free site visit.
Chepstow at a glance
- Postcode districts
- NP16
- Area
- Gwent, Wales
- Price region
- Wales
- Nearest towns
- Caldicot (5.1 miles), Undy (7.4 miles), Magor (7.9 miles), Monmouth (12 miles)
- Distance to Newport (Gwent)
- about 14.3 miles
- Approvals
- Two-storey rear: ground floor up to 4 m, first floor up to 3 m and 10.5 m from the rear boundary. Some two-storey side extensions can be permitted development.
We cover postcode district NP16 in and around Chepstow, along with neighbouring Caldicot, Undy and Magor.
Extensions available in Chepstow
Two-storey rear extensions
Chepstow guide price from £51,500, Standard spec.
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Two-storey side extensions
Guide from £79,000 in Chepstow, including VAT.
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Two-storey wraparound extensions
For homes in Chepstow: typical guide from £111,000.
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Part single, part two-storey extensions
Chepstow guide price from £66,000, Standard spec.
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Extensions over a garage
Guide from £29,000 in Chepstow, including VAT.
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First-floor extensions
Design, approvals and build for Chepstow homes. Guide from £23,000.
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Two-storey extensions for semi-detached houses
Chepstow guide price from £51,500, Standard spec.
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Two-storey extensions for detached houses
Guide from £79,000 in Chepstow, including VAT.
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Kitchen extensions with bedrooms above
Guide from £51,500 (before kitchen units) in Chepstow, including VAT.
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Extra bedroom and en-suite extensions
From £51,500 (plus en-suite) in Chepstow. Free visit to firm it up.
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Gwent, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
Also available in Gwent
- 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 Chepstow
Chepstow is in Wales. Two-storey rear: ground floor up to 4 m, first floor up to 3 m and 10.5 m from the rear boundary. Some two-storey side extensions can be permitted development. Householder planning application: £585. Councils normally decide householder applications within 8 weeks.
The full Wales rules explained
Questions about extensions in Chepstow
Do you cover Chepstow?
Yes. We cover Chepstow (NP16) and the surrounding area, including Caldicot and Undy. The first site visit is free.
What does a two-storey extension cost in Chepstow?
Using our Wales 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 £51,500–£69,500 including VAT. An extension over a garage is about £29,000–£42,000.
Which other places near Chepstow do you cover?
Everywhere around it, including Caldicot (5.1 miles), Undy (7.4 miles) and Magor (7.9 miles), and the rest of Gwent.