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SA8 3AU

Allt-wen · Neath Port Talbot · Wales

Updated September 2026

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Location overview

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Post town
Swansea
Ward
Allt-wen
Local authority
Neath Port Talbot
Constituency
Brecon, Radnor and Cwm Tawe
Postcode district
SA8
Postcode sector
SA8 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
SA8 3AX 67 m
SA8 3AY 76 m
SA8 3AT 131 m
SA8 3AN 139 m
SA8 3AW 224 m
Complete postcode fields and official codes
Postcode
SA8 3AU
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SA
Postcode district
SA8
Postcode sector
SA8 3
Latitude
51.712037
Longitude
-3.852322
British National Grid easting
272,122
British National Grid northing
203,102

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Neath Port Talbot · W06000012
Electoral ward
Allt-wen · W05001681
Parish or community
W04000606
Westminster constituency
Brecon, Radnor and Cwm Tawe · W07000085
Output area
W00004732
Lower layer super output area
Neath Port Talbot 004A · W01000888
Middle layer super output area
Neath Port Talbot 004 · W02000202

Postcode source versions

Explore SA8

Property

View all property records
49 recorded sales at this postcode
Address Date Price
36, Derwen Road, Alltwen, Swansea, SA8 3AU 14 March 2025 £362,500
34, Derwen Road, Alltwen, Swansea, SA8 3AU 26 September 2024 £335,000
24, Derwen Road, Alltwen, Swansea, SA8 3AU 14 June 2024 £167,995

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
19
Primary
0
Secondary
0

  1. Cwmtawe Community School

    Welsh establishment

    424 m

  2. Alltwen Primary School

    Welsh establishment

    815 m

  3. YGGD Trebannws

    Welsh establishment

    888 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
440
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 198
  • Anti social behaviour 46
  • Public order 45
  • Shoplifting 38
  • Criminal damage and arson 33

Census 2021

Population and age profile

Postcode residents
140

68 female, 72 male

Postcode households
52
Residents per household
2.7
SA8 3 residents
5,401

Age bands in SA8 3

Wider postcode sector
Age 0 to 14
15.6%

823 residents

Age 15 to 24
9.1%

478 residents

Age 25 to 44
23.6%

1,248 residents

Age 45 to 64
28.2%

1,489 residents

Age 65 and over
23.5%

1,242 residents

This postcode contained 2.6% of the sector's usual residents on Census Day. The age profile describes the wider SA8 3 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+
74.1%
Ultrafast, 300 Mbit/s+
74.1%
Gigabit-capable
74.1%
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

2

within 5 km

  • PONTARDAWE PRIMARY CARE CENTRE

    TAWE TERRACE, ALLOY INDUSTRIAL ESTATE, PONTARDAWE, SWANSEA, SA8 4JU

    ODS code W98001

    912 m

  • CWMTAWE MEDICAL GROUP

    80 HIGH STREET, CLYDACH, SWANSEA, SA6 5LN

    ODS code W98022

    3.3 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 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Heol Phillip

    BCT · Alltwen

    0.1 miles

  • Heol Phillip

    BCT · Alltwen

    0.1 miles

  • Heol Glyndernwen

    BCT · Alltwen

    0.1 miles

  • Lon Tan-yr-Allt

    BCT · Alltwen

    0.1 miles

  • Gwyn Street

    BCT · Alltwen

    0.1 miles

Evidence in context

Property market

The five-year median is £348,750 from 8 recorded sales in SA8 3AU. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Neath Port Talbot is £162,967 in June 2026, up 1.3% year on year.

Schools

19 open schools are in scope, including 0 primary and 0 secondary schools. Cwmtawe Community School is the nearest published school at 424 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

440 published events cover 12 months, averaging 36.667 events per published month. The largest recorded category is Violence and sexual offences with 198 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.