Postcode · Swansea

SA4 3UN area guide

Who lives in SA4 3UN, what homes sell for, and how it compares on crime, schools and transport.

Neighbourhood: Llanmorlais & Three Crosses
Council: Swansea
Region: Wales
Neighbourhood population: 1,651 (2024)

SA4 3UNSwansea

At a glance

What SA4 3UN is like

SA4 3UN is a postcode in the Llanmorlais & Three Crosses area of Swansea. Because census and crime data isn’t published for single postcodes, the figures here cover the surrounding neighbourhood of about 1,651 people. 90% of households own their home, 8.3% rent privately and 1.1% are in social housing. The largest age group is 65–69, and 47.3% of adults are in work. It ranks among the more affluent parts of Wales. Higher-harm crime is less than half the England and Wales average. Homes in SA4 3 sold for a median of £257,500 over the year to August 2026.

Scores

How SA4 3UN compares

Headline figures for SA4 3UN, set against Wales as a whole.

AffluenceMore

9.0/ 10

Less deprived than most. Scored from 1 (most deprived in Wales) to 10 (least deprived).

CrimeMore

1/ 10

Lower than most: 7.0 higher-harm crimes per 1,000 people a year vs 31.1 nationally.

House pricesMore

£257,500

Median over 109 sales in SA4 3, +6.1% on the year before.

TransportMore

0.0/ 10

Poor: 0 stations within a mile, 0 bus stops within 800m.

SchoolsMore

6 schools nearby. None has a published inspection grade.

Household incomeMore

£50,785

Average annual income before tax, higher than 44% of neighbourhoods in England and Wales.

What stands out

Worth knowing before you invest

Where SA4 3UN differs most from the national average.

01
Among the more affluent placesPositive
Scores 9.0 out of 10 on the Welsh Index of Multiple Deprivation 2025, making it less deprived than most of Wales.
02
Low crimePositive
7.0 higher-harm crimes per 1,000 people a year, against 31.1 across England and Wales.
03
Prices risingPositive
The median sale price in SA4 3 is up 6.1% on the year before.
04
An older population
34% of residents are 65 or over, against 21.3% across Wales.
05
Few private renters
Only 8.3% of households rent privately, against 17% across Wales.

Questions

SA4 3UN FAQs

Is SA4 3UN a good place to live?

Deprivation, crime, schools and transport at a glance.

It scores 9.0 out of 10 on the Welsh Index of Multiple Deprivation 2025, where 10 is the least deprived in Wales. Higher-harm crime runs at 7.0 per 1,000 people a year, band 1 of 10 nationally. Transport connectivity scores 0.0 out of 10 (poor).

How much does a house cost in SA4 3UN?

The median sale price over the last year was £257,500.

Homes in SA4 3 sold for a median of £257,500 across 109 sales in the year to August 2026, +6.1% on the year before. Prices come from HM Land Registry’s record of every residential sale.

Is SA4 3UN safe?

How recorded crime here compares with the national average.

Higher-harm crime (violence, robbery, burglary, vehicle crime and weapons offences) runs at 7.0 offences per 1,000 people a year around SA4 3UN, less than half the 31.1 average across England and Wales, band 1 of 10.

Who lives in SA4 3UN?

Age, home ownership and housing from the census.

The largest age group is 65–69, at 9.5% of residents. 90% of households own their home. The most common property type is detached (72.3%).

Which council covers SA4 3UN?

The local authority for SA4 3UN is Swansea.

SA4 3UN comes under Swansea in Wales. Council tax, planning applications and bin collections are handled there.

How well connected is SA4 3UN?

Connectivity scores 0.0 out of 10.

There are 0 bus stops within 800m and 0 stations and tram stops within a mile, scoring 0.0 out of 10 (poor).

Sources: Census 2021 (ONS); ONS mid-year population estimates; police recorded crime; the English, Welsh and Scottish indices of deprivation; ONS small area income estimates; ONS private rents; DfE, Welsh and Scottish school registers and Ofsted; DfT NaPTAN; ORR estimates of station usage; HM Land Registry Price Paid Data. Contains public sector information licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right.

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