Property market
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.
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.
Property
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
- Open schools
- 16
- Primary
- 0
- Secondary
- 0
Recorded crime
Across this district
- 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
Small counts are adjusted for privacy, so totals can differ slightly between Census tables.
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%
In this district, 847 postcode units had 100% superfast coverage, 721 postcode units had 100% gigabit-capable coverage, 1 postcode unit had at least some premises without decent fixed or fixed-wireless access.
Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.
Source: Ofcom Connected Nations, coverage at January 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.
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
Evidence in context
Schools
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
2,461 published events cover 12 months, averaging 205 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.