Property market
The five-year median is £207,500 from 8 recorded sales in NP12 2LG. 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 2LG
Pontllanfraith · Caerphilly · Wales
Updated September 2026
Compare this postcodeLocation overview
Drag to pan. Use + or - to zoom. Open larger map
- Post town
- Blackwood
- Ward
- Pontllanfraith
- Local authority
- Caerphilly
- Constituency
- Caerphilly
- Postcode district
- NP12
- Postcode sector
- NP12 2
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- NP12 2LG
- Status
- Current
- Introduced
- 1 June 1999
- Terminated
- Not published
- Postcode area
- NP
- Postcode district
- NP12
- Postcode sector
- NP12 2
- Latitude
- 51.655315
- Longitude
- -3.183684
- British National Grid easting
- 318,213
- British National Grid northing
- 195,833
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Caerphilly · W06000018
- Electoral ward
- Pontllanfraith · W05001670
- Parish or community
- W04000912
- Westminster constituency
- Caerphilly · W07000088
- Output area
- W00007340
- Lower layer super output area
- Caerphilly 011C · W01001403
- Middle layer super output area
- Caerphilly 011 · W02000300
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
40 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Cartref, Llanarth Road, Pontllanfraith, Blackwood, NP12 2LG | 17 April 2025 | £305,000 |
| Adforton, Llanarth Road, Pontllanfraith, Blackwood, NP12 2LG | 21 February 2025 | £190,000 |
| Cartref, Llanarth Road, Pontllanfraith, Blackwood, NP12 2LG | 12 April 2024 | £186,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 37
- Primary
- 0
- Secondary
- 0
- 225 m
Pontllanfraith Primary School
Welsh establishment
- 925 m
Libanus Primary School
Welsh establishment
- 1.2 km
Penllwyn Primary School
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 1,393
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 492
- Anti social behaviour 216
- Criminal damage and arson 177
- Public order 128
- Vehicle crime 87
Census 2021
Population and age profile
- Postcode residents
- 74
- Postcode households
- 34
- Residents per household
- 2.2
- NP12 2 residents
- 9,379
38 female, 36 male
Age bands in NP12 2
Wider postcode sector- Age 0 to 14
- 16.8%
- Age 15 to 24
- 10.9%
- Age 25 to 44
- 24.7%
- Age 45 to 64
- 26.1%
- Age 65 and over
- 21.5%
1,512 residents
977 residents
2,226 residents
2,348 residents
1,937 residents
This postcode contained 0.8% of the sector's usual residents on Census Day. The age profile describes the wider NP12 2 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
- 0%
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
8
within 5 km straight-line
BLACKWOOD MEDICAL GROUP
AVICENNA MEDICAL CENTRE, PONTLLANFRAITH BLACKWOOD, BLACKWOOD, NP12 2YU
ODS code W93011
387 m
PONTLLANFRAITH HEALTH CENTRE
RIVERSIDE MEDICAL PRACTIC, PONTLLANFRAITH HEALTH CENTRE, BLACKWOOD ROAD, PONTLLANFRAITH, BLACKWOOD, NP12 2YU
ODS code W93012
387 m
SUNNYBANK HEALTH CENTRE
BRYN ROAD, CEFN FFOREST, BLACKWOOD, NP12 3NA
ODS code W93014
2.3 km
PENGAM HEALTH CENTRE
GLAN-YR-AFON LANE, FLEUR DE LIS, BLACKWOOD, NP12 3WA
ODS code W93614
3.1 km
ST. LUKE'S SURGERY
ST LUKES SURGERY, (OFF GWYDDON ROAD), ABERCARN NEWBRIDGE, NEWPORT, NP11 5GX
ODS code W93001
3.6 km
OAKFIELD SURGERY
OAKFIELD STREET, YSTRAD MYNACH, HENGOED, CF82 7WX
ODS code W95065
3.9 km
NORTH CELYNEN PRACTICE
CROWN STREET, CRUMLIN, NEWPORT, NP11 4PQ
ODS code W93067
3.9 km
MEDDYGFA GELLIGAER SURGERY
HEOL HEN YSGOL, GELLIGAER, HENGOED, CF82 8FQ
ODS code W95050
4.7 km
Nearby transport
- 0.1 miles
The Plough
BCT · Pontllanfraith
- 0.1 miles
The Plough
BCT · Pontllanfraith
- 0.1 miles
Railway View
BCT · Pontllanfraith
- 0.1 miles
Railway View
BCT · Pontllanfraith
- 0.2 miles
St Augustine's Church
BCT · Pontllanfraith
Evidence in context
Schools
37 open schools are in scope, including 0 primary and 0 secondary schools. Pontllanfraith Primary School is the nearest published school at 225 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
1,393 published events cover 12 months, averaging 116.083 events per published month. The largest recorded category is Violence and sexual offences with 492 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.