Postcode district
NP4: house prices and neighbourhoods
The NP4 postcode district (Monmouthshire, Torfaen): 1,371 live postcodes across 8 neighbourhoods, with official figures as of 4 November 2026.
Typical house price
£190,000
Median of 164 resales of existing houses in NP4, Sep 2025 to Sep 2026.
Source: HM Land Registry Price Paid Data
Neighbourhoods in NP4
| Neighbourhood | Council | Typical house | Typical flat | Affluence today | Signs of gentrification |
|---|---|---|---|---|---|
| Gilwern & Llanfoist | Monmouthshire | £330,000 | – | Among the most affluent | Clear signs |
| Usk, Goytre & Llangybi Fawr | Monmouthshire | £374,650 | – | Among the most affluent | Few signs |
| Abersychan | Torfaen | £160,000 | – | Below average income | Mixed signs |
| Blaenavon | Torfaen | £135,750 | – | Below average income | Few signs |
| Griffithstown & Sebastopol | Torfaen | £190,000 | – | Middle income | Few signs |
| New Inn | Torfaen | £240,000 | – | Affluent | Moving the other way |
| Pontypool | Torfaen | £169,995 | – | Below average income | Few signs |
| Trefethin & Pen-y-garn | Torfaen | £160,000 | – | Among the most income-deprived | Few signs |
Each neighbourhood's figures are the median resale prices of houses and flats, Affluence today and the gentrification indication from its own page.
Thinking of buying in NP4?
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Prepare a full report for a home See a sample reportNeighbourhood names: House of Commons Library, MSOA Names, Open Parliament Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Contains National Statistics data © Crown copyright and database right 2026. Figures describe the area, not any home, and are not a valuation or a prediction.