Property market
The five-year median is £251,500 from 6 recorded sales in NP12 1DB. 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 1DB
Blackwood · Caerphilly · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Blackwood
- Ward
- Blackwood
- Local authority
- Caerphilly
- Constituency
- Newport West and Islwyn
- Postcode district
- NP12
- Postcode sector
- NP12 1
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- NP12 1DB
- Status
- Current
- Introduced
- 1 June 1999
- Terminated
- Not published
- Postcode area
- NP
- Postcode district
- NP12
- Postcode sector
- NP12 1
- Latitude
- 51.676756
- Longitude
- -3.208773
- British National Grid easting
- 316,517
- British National Grid northing
- 198,246
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Caerphilly · W06000018
- Electoral ward
- Blackwood · W05001653
- Parish or community
- W04000730
- Westminster constituency
- Newport West and Islwyn · W07000105
- Output area
- W00007074
- Lower layer super output area
- Caerphilly 005D · W01001351
- Middle layer super output area
- Caerphilly 005 · W02000294
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
39 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 24, Caernarvon Place, Blackwood, NP12 1DB | 12 June 2026 | £210,000 |
| 10, Caernarvon Place, Blackwood, NP12 1DB | 4 June 2026 | £270,000 |
| 32, Caernarvon Place, Blackwood, NP12 1DB | 23 January 2025 | £365,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 37
- Primary
- 0
- Secondary
- 0
- 590 m
Cefn Fforest Primary School
Welsh establishment
- 703 m
Blackwood Comprehensive School
Welsh establishment
- 1.2 km
Blackwood Primary School
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 1,828
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 738
- Anti social behaviour 230
- Criminal damage and arson 214
- Public order 188
- Vehicle crime 98
Census 2021
Population and age profile
- Postcode residents
- 75
- Postcode households
- 32
- Residents per household
- 2.3
- NP12 1 residents
- 7,922
36 female, 39 male
Age bands in NP12 1
Wider postcode sector- Age 0 to 14
- 15.2%
- Age 15 to 24
- 10.9%
- Age 25 to 44
- 22.3%
- Age 45 to 64
- 29.2%
- Age 65 and over
- 22.4%
1,229 residents
886 residents
1,810 residents
2,365 residents
1,812 residents
This postcode contained 0.9% of the sector's usual residents on Census Day. The age profile describes the wider NP12 1 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
- 81.3%
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
SUNNYBANK HEALTH CENTRE
BRYN ROAD, CEFN FFOREST, BLACKWOOD, NP12 3NA
ODS code W93014
793 m
PENGAM HEALTH CENTRE
GLAN-YR-AFON LANE, FLEUR DE LIS, BLACKWOOD, NP12 3WA
ODS code W93614
1.7 km
BRYNTIRION SURGERY
WEST STREET, BARGOED, CF81 8SA
ODS code W95068
2.1 km
SOUTH STREET SURGERY
SOUTH STREET, BARGOED, CF81 8SU
ODS code W95078
2.2 km
BLACKWOOD MEDICAL GROUP
AVICENNA MEDICAL CENTRE, PONTLLANFRAITH BLACKWOOD, BLACKWOOD, NP12 2YU
ODS code W93011
2.7 km
PONTLLANFRAITH HEALTH CENTRE
RIVERSIDE MEDICAL PRACTIC, PONTLLANFRAITH HEALTH CENTRE, BLACKWOOD ROAD, PONTLLANFRAITH, BLACKWOOD, NP12 2YU
ODS code W93012
2.7 km
MARKHAM MEDICAL CENTRE
JAMES STREET, MARKHAM, BLACKWOOD, NP12 0QN
ODS code W93010
2.8 km
MEDDYGFA GELLIGAER SURGERY
HEOL HEN YSGOL, GELLIGAER, HENGOED, CF82 8FQ
ODS code W95050
3.2 km
OAKFIELD SURGERY
OAKFIELD STREET, YSTRAD MYNACH, HENGOED, CF82 7WX
ODS code W95065
4.3 km
NORTH CELYNEN PRACTICE
CROWN STREET, CRUMLIN, NEWPORT, NP11 4PQ
ODS code W93067
4.8 km
Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.
Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.
Nearby transport
- 0.1 miles
Caernavon Place
BCT · Grove Park
- 0.1 miles
Conway Court
BCT · Grove Park
- 0.1 miles
Addison Street Top
BCT · Cefn Fforest
- 0.1 miles
Heol Pit y Ceiliogod Jct
BCT · Grove Park
- 0.2 miles
Caldicot Close
BCT · Grove Park
Evidence in context
Schools
37 open schools are in scope, including 0 primary and 0 secondary schools. Cefn Fforest Primary School is the nearest published school at 590 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
1,828 published events cover 12 months, averaging 152.333 events per published month. The largest recorded category is Violence and sexual offences with 738 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.