Property market
The five-year median is £140,000 from 9 recorded sales in NP11 7JJ. 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.
NP11 7JJ
Ynysddu · Caerphilly · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Newport
- Ward
- Ynysddu
- Local authority
- Caerphilly
- Constituency
- Caerphilly
- Postcode district
- NP11
- Postcode sector
- NP11 7
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- NP11 7JJ
- Status
- Current
- Introduced
- 1 June 1999
- Terminated
- Not published
- Postcode area
- NP
- Postcode district
- NP11
- Postcode sector
- NP11 7
- Latitude
- 51.625294
- Longitude
- -3.186068
- British National Grid easting
- 317,994
- British National Grid northing
- 192,497
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Caerphilly · W06000018
- Electoral ward
- Ynysddu · W05001677
- Parish or community
- W04000750
- Westminster constituency
- Caerphilly · W07000088
- Output area
- W00007477
- Lower layer super output area
- Caerphilly 015B · W01001430
- Middle layer super output area
- Caerphilly 015 · W02000304
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 NP11
Property
40 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 5, High Street, Ynysddu, Newport, NP11 7JJ | 11 December 2025 | £175,000 |
| 12, High Street, Ynysddu, Newport, NP11 7JJ | 28 March 2025 | £125,000 |
| 21, High Street, Ynysddu, Newport, NP11 7JJ | 22 May 2024 | £135,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 26
- Primary
- 0
- Secondary
- 0
- 138 m
Ynysddu Primary School
Welsh establishment
- 762 m
Cwmfelinfach Primary School
Welsh establishment
- 3.0 km
Bryn Primary School
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 202
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 81
- Anti social behaviour 50
- Public order 24
- Vehicle crime 13
- Criminal damage and arson 13
Census 2021
Population and age profile
- Postcode residents
- 85
- Postcode households
- 38
- Residents per household
- 2.2
- NP11 7 residents
- 9,100
48 female, 37 male
Age bands in NP11 7
Wider postcode sector- Age 0 to 14
- 16.2%
- Age 15 to 24
- 10.4%
- Age 25 to 44
- 26%
- Age 45 to 64
- 26.9%
- Age 65 and over
- 20.5%
1,452 residents
933 residents
2,329 residents
2,407 residents
1,836 residents
This postcode contained 0.9% of the sector's usual residents on Census Day. The age profile describes the wider NP11 7 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
6
within 5 km straight-line
BLACKWOOD MEDICAL GROUP
AVICENNA MEDICAL CENTRE, PONTLLANFRAITH BLACKWOOD, BLACKWOOD, NP12 2YU
ODS code W93011
3.4 km
PONTLLANFRAITH HEALTH CENTRE
RIVERSIDE MEDICAL PRACTIC, PONTLLANFRAITH HEALTH CENTRE, BLACKWOOD ROAD, PONTLLANFRAITH, BLACKWOOD, NP12 2YU
ODS code W93012
3.4 km
TY BRYN SURGERY
THE BRYN, TRETHOMAS, CAERPHILLY, CF83 8GL
ODS code W95008
3.5 km
THE VILLAGE SURGERY
LLANBRADACH CENTRE FOR HEALTH, 12 PENCERRIG STREET, LLANBRADACH, CAERPHILLY, CF83 3LR
ODS code W95073
3.8 km
OAKFIELD SURGERY
OAKFIELD STREET, YSTRAD MYNACH, HENGOED, CF82 7WX
ODS code W95065
3.8 km
ST. LUKE'S SURGERY
ST LUKES SURGERY, (OFF GWYDDON ROAD), ABERCARN NEWBRIDGE, NEWPORT, NP11 5GX
ODS code W93001
4.5 km
Nearby transport
- 0.0 miles
Ynysddu Post Office
BCT · Ynysddu
- 0.1 miles
Ambulance Hall
BCT · Ynysddu
- 0.2 miles
Black Prince
BCT · Ynysddu
- 0.2 miles
Black Prince
BCT · Ynysddu
- 0.4 miles
Pioneer Terrace
BCT · Cwmfelinfach
Evidence in context
Schools
26 open schools are in scope, including 0 primary and 0 secondary schools. Ynysddu Primary School is the nearest published school at 138 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
202 published events cover 12 months, averaging 16.833 events per published month. The largest recorded category is Violence and sexual offences with 81 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.