Property market
The five-year median is £333,000 from 4 recorded sales in SA3 4BH. 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.
SA3 4BH
Mumbles · Swansea · Wales
Updated September 2026
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Nearby postcodes
Complete postcode fields and official codes
- Postcode
- SA3 4BH
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- SA
- Postcode district
- SA3
- Postcode sector
- SA3 4
- Latitude
- 51.575867
- Longitude
- -4.003254
- British National Grid easting
- 261,280
- British National Grid northing
- 188,235
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Swansea · W06000011
- Electoral ward
- Mumbles · W05001056
- Parish or community
- W04000583
- Westminster constituency
- Gower · W07000097
- Output area
- W00004425
- Lower layer super output area
- Swansea 031E · W01000827
- Middle layer super output area
- Swansea 031 · W02000198
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 SA3
Property
32 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 16, Castle Street, Mumbles, Swansea, SA3 4BH | 31 October 2025 | £260,000 |
| 14, Castle Street, Mumbles, Swansea, SA3 4BH | 12 February 2024 | £387,500 |
| 11, Castle Street, Mumbles, Swansea, SA3 4BH | 27 September 2023 | £325,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 16
- Primary
- 0
- Secondary
- 0
- 40 m
Oystermouth Primary School
Welsh establishment
- 816 m
Newton Primary School
Welsh establishment
- 824 m
Grange Primary School
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 710
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 319
- Public order 88
- Anti social behaviour 73
- Criminal damage and arson 67
- Shoplifting 42
Census 2021
Population and age profile
- Postcode residents
- 37
- Postcode households
- 18
- Residents per household
- 2.1
- SA3 4 residents
- 7,528
26 female, 11 male
Age bands in SA3 4
Wider postcode sector- Age 0 to 14
- 13.3%
- Age 15 to 24
- 8.5%
- Age 25 to 44
- 16.8%
- Age 45 to 64
- 28.7%
- Age 65 and over
- 32.7%
999 residents
639 residents
1,268 residents
2,159 residents
2,465 residents
This postcode contained 0.5% of the sector's usual residents on Census Day. The age profile describes the wider SA3 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
KINGS ROAD SURGERY
2-6 KINGS ROAD, MUMBLES, SWANSEA, SA3 4AJ
ODS code W98055
249 m
THE MUMBLES MEDICAL PRACTICE
10 WEST CROSS AVENUE, WEST CROSS, SWANSEA, SA3 5UA
ODS code W98033
566 m
UNIVERSITY HEALTH CENTRE
PENMAEN RESIDENCES, SINGLETON PARK, SWANSEA, SA2 8PG
ODS code W98053
4.1 km
SKETTY & KILLAY MEDICAL CENTRE
SKETTY SURGERY, DE LA BECHE ROAD, SKETTY, SWANSEA, SA2 9EA
ODS code W98021
4.7 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
Oystermouth Primary School
BCT · Oystermouth
- 0.1 miles
Newton Road
BCT · Oystermouth
- 0.1 miles
Underhill Park
BCT · Oystermouth
- 0.1 miles
Newton Road
BCT · Oystermouth
- 0.2 miles
Oystermouth Square
BCT · Oystermouth
Evidence in context
Schools
16 open schools are in scope, including 0 primary and 0 secondary schools. Oystermouth Primary School is the nearest published school at 40 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
710 published events cover 12 months, averaging 59.167 events per published month. The largest recorded category is Violence and sexual offences with 319 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.