Property market
The five-year median is £220,000 from 8 recorded sales in NP23 4SJ. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Blaenau Gwent is £144,603 in June 2026, up 8.9% year on year.
NP23 4SJ
Brynmawr · Blaenau Gwent · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Ebbw Vale
- Ward
- Brynmawr
- Local authority
- Blaenau Gwent
- Constituency
- Blaenau Gwent and Rhymney
- Postcode district
- NP23
- Postcode sector
- NP23 4
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- NP23 4SJ
- Status
- Current
- Introduced
- 1 June 1999
- Terminated
- Not published
- Postcode area
- NP
- Postcode district
- NP23
- Postcode sector
- NP23 4
- Latitude
- 51.802879
- Longitude
- -3.169126
- British National Grid easting
- 319,483
- British National Grid northing
- 212,228
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Blaenau Gwent · W06000019
- Electoral ward
- Brynmawr · W05001259
- Parish or community
- W04000927
- Westminster constituency
- Blaenau Gwent and Rhymney · W07000084
- Output area
- W00007573
- Lower layer super output area
- Blaenau Gwent 002A · W01001446
- Middle layer super output area
- Blaenau Gwent 002 · W02000315
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 NP23
Property
24 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Red Roofs, Rhyd Clydach, Brynmawr, Ebbw Vale, NP23 4SJ | 18 May 2026 | £340,000 |
| Llan Fair, Rhyd Clydach, Brynmawr, Ebbw Vale, NP23 4SJ | 17 March 2026 | £370,000 |
| Llan Fair, Rhyd Clydach, Brynmawr, Ebbw Vale, NP23 4SJ | 25 September 2025 | £230,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 15
- Primary
- 0
- Secondary
- 0
- 95 m
St Mary's C in W Voluntary Aided School
Welsh establishment
- 335 m
Brynmawr Foundation School
Welsh establishment
- 594 m
Ysgol Gymraeg Bro Helyg
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 1,036
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 360
- Anti social behaviour 172
- Criminal damage and arson 150
- Public order 91
- Shoplifting 65
Census 2021
Population and age profile
- Postcode residents
- 41
- Postcode households
- 21
- Residents per household
- 2.0
- NP23 4 residents
- 9,689
20 female, 21 male
Age bands in NP23 4
Wider postcode sector- Age 0 to 14
- 17.2%
- Age 15 to 24
- 10.2%
- Age 25 to 44
- 24.4%
- Age 45 to 64
- 28%
- Age 65 and over
- 20.3%
1,679 residents
1,000 residents
2,389 residents
2,737 residents
1,985 residents
This postcode contained 0.4% of the sector's usual residents on Census Day. The age profile describes the wider NP23 4 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
4
within 5 km straight-line
BLAEN-Y-CWM GROUP PRACTICE
BLAENAVON ROAD, BRYNMAWR, EBBW VALE, NP23 4BR
ODS code W93068
805 m
GLAN RHYD SURGERY
RIVERSIDE, BEAUFORT EBBW VALE, EBBW VALE, NP23 5NT
ODS code W93032
3.2 km
PEN-Y-CAE SURGERY
THE HEALTH CENTRE, BRIDGE STREET, EBBW VALE, NP23 6EY
ODS code W93623
3.5 km
BLAINA MEDICAL PRACTICE
REAR OF HIGH STREET, BLAINA, ABERTILLERY, NP13 3AT
ODS code W93115
4.1 km
Nearby transport
- 0.1 miles
Brynmawr Comprehensive School
BCT · Brynmawr
- 0.1 miles
Brynmawr Comprehensive School
BCT · Brynmawr
- 0.2 miles
Trafalgar House
BCT · Brynmawr
- 0.2 miles
Trafalgar House
BCT · Brynmawr
- 0.4 miles
Brynmawr Bus Station Stand 4
BCS · Brynmawr
Evidence in context
Schools
15 open schools are in scope, including 0 primary and 0 secondary schools. St Mary's C in W Voluntary Aided School is the nearest published school at 95 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
1,036 published events cover 12 months, averaging 86.333 events per published month. The largest recorded category is Violence and sexual offences with 360 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.