Property market
The five-year median is £108,500 from 6 recorded sales in SA4 4BZ. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Swansea is £206,059 in June 2026, up 0.2% year on year.
SA4 4BZ
Gorseinon and Penyrheol · Swansea · Wales
Updated September 2026
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Nearby postcodes
Complete postcode fields and official codes
- Postcode
- SA4 4BZ
- Status
- Current
- Introduced
- 1 January 1993
- Terminated
- Not published
- Postcode area
- SA
- Postcode district
- SA4
- Postcode sector
- SA4 4
- Latitude
- 51.669311
- Longitude
- -4.037080
- British National Grid easting
- 259,226
- British National Grid northing
- 198,691
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Swansea · W06000011
- Electoral ward
- Gorseinon and Penyrheol · W05001047
- Parish or community
- W04000964
- Westminster constituency
- Gower · W07000097
- Output area
- W00010076
- Lower layer super output area
- Swansea 005G · W01001991
- Middle layer super output area
- Swansea 005 · W02000172
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 SA4
Property
28 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 8, Mill Street, Gorseinon, Swansea, SA4 4BZ | 27 February 2026 | £112,000 |
| 10, Mill Street, Gorseinon, Swansea, SA4 4BZ | 1 March 2024 | £147,500 |
| 7, Mill Street, Gorseinon, Swansea, SA4 4BZ | 14 July 2023 | £95,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 21
- Primary
- 0
- Secondary
- 0
- 690 m
Penyrheol Comprehensive School
Welsh establishment
- 720 m
Pontybrenin Primary School
Welsh establishment
- 720 m
Ysgol Gynradd Gymraeg Pontybrenin
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 846
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 386
- Anti social behaviour 94
- Public order 79
- Criminal damage and arson 76
- Other theft 50
Census 2021
Population and age profile
- Postcode residents
- 16
- Postcode households
- 8
- Residents per household
- 2.0
- SA4 4 residents
- 11,981
9 female, 7 male
Age bands in SA4 4
Wider postcode sector- Age 0 to 14
- 17.2%
- Age 15 to 24
- 10.7%
- Age 25 to 44
- 25%
- Age 45 to 64
- 26.1%
- Age 65 and over
- 20.9%
2,086 residents
1,299 residents
3,027 residents
3,167 residents
2,535 residents
This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider SA4 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
- 100%
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
TY'R FELIN SURGERY
CECIL ROAD, GORSEINON, SWANSEA, SA4 4BY
ODS code W98034
194 m
PRINCESS STREET SURGERY
PRINCESS STREET, GORSEINON, SWANSEA, SA4 4US
ODS code W98008
608 m
ESTUARY GROUP PRACTICE
22 MILL STREET, GOWERTON, SWANSEA, SA4 3ED
ODS code W98012
2.3 km
LLANGENNECH SURGERY
PARK LANE, LLANGENNECH, LLANELLI, SA14 8TU
ODS code W92048
4.5 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 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.
Nearby transport
- 0.1 miles
Home Bargains
BCT · Gorseinon
- 0.1 miles
Home Bargains
BCT · Gorseinon
- 0.2 miles
Gorseinon Bus Station Stand 3
BCS · Gorseinon
- 0.2 miles
Gorseinon Bus Station Stand 2
BCS · Gorseinon
- 0.2 miles
Gorseinon Bus Station Stand 4
BCS · Gorseinon
Evidence in context
Schools
21 open schools are in scope, including 0 primary and 0 secondary schools. Penyrheol Comprehensive School is the nearest published school at 690 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
846 published events cover 12 months, averaging 70.5 events per published month. The largest recorded category is Violence and sexual offences with 386 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.