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NP23 5

Postcode sector

271 live postcodes, all in Blaenau Gwent.

A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of Blaenau Gwent. Open the map at NP23 5 for neighbourhoods and points. Open the map at NP23 5

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Deprivation by neighbourhood

Welsh Index of Multiple Deprivation 2025

Most deprived 10%Least

17 of Blaenau Gwent’s 46 neighbourhoods are in Wales’s most deprived 20%.

Blaenau Gwent, the council that holds 100% of NP23 5

Average house price
£144,294
Up 4.5% in a year
HM Land Registry · Jul 2026
Median full-time pay
£34,797
55th lowest of 348
ONS earnings survey · 2025
House price to pay
4.1×
13th most affordable of 348
Worked out by Open Index
Population
66,904
16th lowest of 361
ONS Census 2021 · 2021

Everything about Blaenau Gwent

Postcodes in NP23 5