Property market
The five-year median is £291,000 from 10 recorded sales in NP12 0GZ. 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 0GZ
Penmaen · Caerphilly · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Blackwood
- Ward
- Penmaen
- Local authority
- Caerphilly
- Constituency
- Newport West and Islwyn
- Postcode district
- NP12
- Postcode sector
- NP12 0
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- NP12 0GZ
- Status
- Current
- Introduced
- 1 June 1999
- Terminated
- Not published
- Postcode area
- NP
- Postcode district
- NP12
- Postcode sector
- NP12 0
- Latitude
- 51.681947
- Longitude
- -3.176583
- British National Grid easting
- 318,752
- British National Grid northing
- 198,787
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Caerphilly · W06000018
- Electoral ward
- Penmaen · W05001668
- Parish or community
- W04000910
- Westminster constituency
- Newport West and Islwyn · W07000105
- Output area
- W00007280
- Lower layer super output area
- Caerphilly 006E · W01001390
- Middle layer super output area
- Caerphilly 006 · W02000295
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore NP12
Property
115 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 3, Tir-Berllan, Oakdale, Blackwood, NP12 0GZ | 16 April 2026 | £280,000 |
| 26, Tir-Berllan, Oakdale, Blackwood, NP12 0GZ | 6 February 2026 | £282,000 |
| 12, Tir-Berllan, Oakdale, Blackwood, NP12 0GZ | 28 January 2026 | £390,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 33
- Primary
- 0
- Secondary
- 0
- 357 m
Rhiw Syr Dafydd Primary School
Welsh establishment
- 2.2 km
Blackwood Comprehensive School
Welsh establishment
- 2.4 km
Crumlin High Level Primary School
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 414
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 193
- Anti social behaviour 66
- Public order 37
- Criminal damage and arson 32
- Burglary 26
Census 2021
Population and age profile
- Postcode residents
- 136
- Postcode households
- 51
- Residents per household
- 2.7
- NP12 0 residents
- 8,302
64 female, 72 male
Age bands in NP12 0
Wider postcode sector- Age 0 to 14
- 18.1%
- Age 15 to 24
- 10.7%
- Age 25 to 44
- 25.1%
- Age 45 to 64
- 26.5%
- Age 65 and over
- 19.7%
1,513 residents
892 residents
2,098 residents
2,219 residents
1,650 residents
This postcode contained 1.6% of the sector's usual residents on Census Day. The age profile describes the wider NP12 0 sector, not people in this individual postcode.
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
Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.
- 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
- 6%
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 Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.
GP practices
10
within 5 km straight-line
SUNNYBANK HEALTH CENTRE
BRYN ROAD, CEFN FFOREST, BLACKWOOD, NP12 3NA
ODS code W93014
2.6 km
NORTH CELYNEN PRACTICE
CROWN STREET, CRUMLIN, NEWPORT, NP11 4PQ
ODS code W93067
2.6 km
MARKHAM MEDICAL CENTRE
JAMES STREET, MARKHAM, BLACKWOOD, NP12 0QN
ODS code W93010
3.0 km
BLACKWOOD MEDICAL GROUP
AVICENNA MEDICAL CENTRE, PONTLLANFRAITH BLACKWOOD, BLACKWOOD, NP12 2YU
ODS code W93011
3.0 km
PONTLLANFRAITH HEALTH CENTRE
RIVERSIDE MEDICAL PRACTIC, PONTLLANFRAITH HEALTH CENTRE, BLACKWOOD ROAD, PONTLLANFRAITH, BLACKWOOD, NP12 2YU
ODS code W93012
3.0 km
PENGAM HEALTH CENTRE
GLAN-YR-AFON LANE, FLEUR DE LIS, BLACKWOOD, NP12 3WA
ODS code W93614
3.8 km
SIX BELLS MEDICAL CENTRE
ABERBEEG MEDICAL CENTRE, THE SQUARE, ABERBEEG, ABERTILLERY, NP13 2AB
ODS code W93009
3.8 km
SOUTH STREET SURGERY
SOUTH STREET, BARGOED, CF81 8SU
ODS code W95078
4.0 km
BRYNTIRION SURGERY
WEST STREET, BARGOED, CF81 8SA
ODS code W95068
4.0 km
ST. LUKE'S SURGERY
ST LUKES SURGERY, (OFF GWYDDON ROAD), ABERCARN NEWBRIDGE, NEWPORT, NP11 5GX
ODS code W93001
4.9 km
Nearby transport
- 0.1 miles
Tir Berllan
BCT · Oakdale
- 0.1 miles
Tir Berllan
BCT · Oakdale
- 0.1 miles
Presbyterian Church
BCT · Oakdale
- 0.1 miles
Presbyterian Church
BCT · Oakdale
- 0.2 miles
Rhiw Syr Dafydd Primary School
BCT · Oakdale
Evidence in context
Schools
33 open schools are in scope, including 0 primary and 0 secondary schools. Rhiw Syr Dafydd Primary School is the nearest published school at 357 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
414 published events cover 12 months, averaging 34.5 events per published month. The largest recorded category is Violence and sexual offences with 193 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.