Two-storey extensions in Newport (Gwent)
Need more room in Newport (Gwent)? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Newport (Gwent) at a glance
- Postcode districts
- NP10 and NP20
- Area
- Gwent, Wales
- Price region
- Wales
- Nearest towns
- Caerleon (2.4 miles), Risca (4.6 miles), Cwmbran (4.7 miles), Abercarn (7.2 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.
Around Newport (Gwent) we also work in Caerleon, Risca and Cwmbran, and across the rest of Gwent. Postcode districts in and near Newport (Gwent): NP10 and NP20.
Extensions available in Newport (Gwent)

Two-storey rear extensions
Our Wales guide starts at £51,500 for this type.
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Two-storey side extensions
Newport (Gwent) guide price from £79,000, Standard spec.
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Two-storey wraparound extensions
For homes in Newport (Gwent): typical guide from £111,000.
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Part single, part two-storey extensions
Design, approvals and build for Newport (Gwent) homes. Guide from £66,000.
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Extensions over a garage
For homes in Newport (Gwent): typical guide from £29,000.
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First-floor extensions
For homes in Newport (Gwent): typical guide from £23,000.
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Two-storey extensions for semi-detached houses
Newport (Gwent) guide price from £51,500, Standard spec.
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Two-storey extensions for detached houses
Our Wales guide starts at £79,000 for this type.
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Kitchen extensions with bedrooms above
Guide from £51,500 (before kitchen units) in Newport (Gwent), including VAT.
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Extra bedroom and en-suite extensions
Newport (Gwent) guide price from £51,500 (plus en-suite), Standard spec.
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 Newport (Gwent) we also design annexes, home offices and bedrooms over garages.
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 Newport (Gwent)
Newport (Gwent) 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 Newport (Gwent)
Do you cover Newport (Gwent)?
Yes. We cover Newport (Gwent) (NP10 and NP20) and the surrounding area, including Caerleon and Risca. The first site visit is free.
What does a two-storey extension cost in Newport (Gwent)?
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 Newport (Gwent) do you cover?
Everywhere around it, including Caerleon (2.4 miles), Risca (4.6 miles) and Cwmbran (4.7 miles), and the rest of Gwent.