Two-storey extensions in Pontypool
Everything for a two-storey extension in Pontypool, in one place: types, guide prices for Wales, the approval rules in Wales and how to get started.
Pontypool at a glance
- Postcode districts
- NP4 and NP15
- Area
- Gwent, Wales
- Price region
- Wales
- Nearest towns
- Cwmbran (3.4 miles), Crumlin (Gwent) (4.2 miles), Abertillery (4.3 miles), Newbridge (4.5 miles)
- Distance to Newport (Gwent)
- about 8.1 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 districts NP4 and NP15 in and around Pontypool, along with neighbouring Cwmbran, Crumlin (Gwent) and Abertillery.
Extensions available in Pontypool

Two-storey rear extensions
Guide from £51,500 in Pontypool, including VAT.
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Two-storey side extensions
Pontypool guide price from £79,000, Standard spec.
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Two-storey wraparound extensions
Guide from £111,000 in Pontypool, including VAT.
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Part single, part two-storey extensions
Guide from £66,000 in Pontypool, including VAT.
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Extensions over a garage
For homes in Pontypool: typical guide from £29,000.
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First-floor extensions
From £23,000 in Pontypool. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Pontypool guide price from £51,500, Standard spec.
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Two-storey extensions for detached houses
From £79,000 in Pontypool. Free visit to firm it up.
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Kitchen extensions with bedrooms above
Our Wales guide starts at £51,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
Pontypool guide price from £51,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
If you're not sure which type fits, that's what the free visit is for. We'll sketch the realistic options for your house in Pontypool, with a rough idea of the approval route and cost for each.
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 Pontypool
Pontypool 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 Pontypool
Do you cover Pontypool?
Yes. We cover Pontypool (NP4 and NP15) and the surrounding area, including Cwmbran and Crumlin (Gwent). The first site visit is free.
What does a two-storey extension cost in Pontypool?
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 Pontypool do you cover?
Everywhere around it, including Cwmbran (3.4 miles), Crumlin (Gwent) (4.2 miles) and Abertillery (4.3 miles), and the rest of Gwent.