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NP12

UK postcode district

Updated September 2026

District overview

Postcode units
1,049
Current units
904
Coordinate coverage
99%
Electoral wards
13

Coverage context

Countries represented
Wales
English regions represented
W99999999
Local authority codes
1
Terminated postcode units
145

Postcode sectors in NP12

Choose a sector to browse its complete postcode-unit directory.

6 sectors

Property

Across this district

View property report
14,645 recorded sales at this postcode
Address Date Price
7, Clos Oakdale, Gellihaf, Blackwood, NP12 2QU 29 July 2026 £205,000
36, Orchard Lane, Pengam, Blackwood, NP12 3TJ 17 July 2026 £170,000
11, Bevan Crescent, Blackwood, NP12 1EW 17 July 2026 £205,000

Schools

Across this district

View schools report
Open schools
16
Primary
0
Secondary
0

Recorded crime

Across this district

View crime report
Published events
2,461
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 978
  • Anti social behaviour 357
  • Criminal damage and arson 268
  • Public order 233
  • Vehicle crime 130

Census 2021

Population and age profile

NP12 usual residents
33,469
Age-profile population
33,279

Age bands in NP12

Postcode district
Age 0 to 14
16.7%

5,551 residents

Age 15 to 24
10.9%

3,624 residents

Age 25 to 44
24.1%

8,032 residents

Age 45 to 64
27.2%

9,065 residents

Age 65 and over
21.1%

7,007 residents

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

The median Ofcom availability percentage across 895 current postcode units in this district. Each postcode is weighted equally, not by premises.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

847 postcode units had 100% superfast coverage, 721 had 100% gigabit-capable coverage, and 1 had at least some premises without decent fixed or fixed-wireless access.

Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

NHS ODS

GP practices

5

in this district

  • BLACKWOOD MEDICAL GROUP

    AVICENNA MEDICAL CENTRE, PONTLLANFRAITH BLACKWOOD, BLACKWOOD, NP12 2YU

    ODS code W93011

  • MARKHAM MEDICAL CENTRE

    JAMES STREET, MARKHAM, BLACKWOOD, NP12 0QN

    ODS code W93010

  • PENGAM HEALTH CENTRE

    GLAN-YR-AFON LANE, FLEUR DE LIS, BLACKWOOD, NP12 3WA

    ODS code W93614

  • PONTLLANFRAITH HEALTH CENTRE

    RIVERSIDE MEDICAL PRACTIC, PONTLLANFRAITH HEALTH CENTRE, BLACKWOOD ROAD, PONTLLANFRAITH, BLACKWOOD, NP12 2YU

    ODS code W93012

  • SUNNYBANK HEALTH CENTRE

    BRYN ROAD, CEFN FFOREST, BLACKWOOD, NP12 3NA

    ODS code W93014

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £187,000 from 2,337 recorded sales in NP12. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Caerphilly is £197,272 in June 2026, up 5.9% year on year.

Schools

Published establishments

16 open schools are in scope, including 0 primary and 0 secondary schools.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

Published police records

2,461 published events cover 12 months, averaging 205.083 events per published month. The largest recorded category is Violence and sexual offences with 978 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.