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Postcode district · Welshpool

SY21 area guide

Who lives in SY21, what homes sell for, and how it compares on crime, schools and transport.

Council
Powys
Region
Wales
Population
29,978 (2024)
At a glance

What SY21 is like

The SY21 postcode district in Powys covers 871 live postcodes and is home to about 29,978 people across 16 census neighbourhoods. 69.1% of households own their home, 18.9% rent privately and 11.5% are in social housing. The biggest age group is 55–59, and 56.5% of adults are in work. On deprivation it sits close to the middle of the range for Wales. Higher-harm crime is around the national middle. Homes in SY21 sold for a median of £247,000 over the year to August 2026.

Scores

How SY21 compares

Each figure is set against Wales as a whole. Follow a score for the detail behind it.

AffluenceMore
6.1/ 10

Around the middle — decile 1 is the most deprived tenth of Wales, 10 the least.

CrimeMore
5/ 10

Around the middle — 19.7 higher-harm crimes per 1,000 people a year vs 31.1 nationally.

House pricesMore
£247,000

Median over 141 sales in SY21, +2.1% on the year before.

TransportMore
1.5/ 10

Poor — 1 station within a mile, 0 bus stops within 800m.

SchoolsMore
50%

of 2 rated schools in SY21 are good or better.

Household incomeMore
£43,721

Average a year, before tax — higher than 22% of neighbourhoods in England and Wales.

What stands out

Worth knowing before you invest

Only flagged where this area is materially different from the national picture.

  1. 01
    An older population

    26.5% of residents are 65 or over, against 21.3% across Wales.

Questions

SY21 FAQs

01
Is SY21 a good place to live?

Deprivation, crime, schools and transport at a glance.

On the Welsh Index of Multiple Deprivation 2025 it averages decile 6.1 of 10, where 10 is the least deprived tenth of Wales. Higher-harm crime runs at 19.7 per 1,000 people a year, band 5 of 10 nationally. 50% of the inspected schools nearby are rated good or better. Transport connectivity scores 1.5 out of 10 (poor).
02
How much does a house cost in SY21?

The median sale price over the last year was £247,000.

Homes in SY21 sold for a median of £247,000 across 141 sales in the year to August 2026, +2.1% on the year before. Prices come from HM Land Registry's record of every residential sale.
03
Is SY21 safe?

How crime here compares with the rest of the country.

Higher-harm crime — violence, robbery, burglary, vehicle crime and weapons offences — runs at 19.7 offences per 1,000 people a year around SY21, well below the 31.1 average across England and Wales, band 5 of 10.
04
Who lives in SY21?

Age, home ownership and housing from the census.

The biggest age group is 55–59, at 8.4% of residents. 69.1% of households own their home. The most common home is detached (60.2%).
05
Which council covers SY21?

SY21 is in Powys.

SY21 is in Powys, in Wales. Council tax, planning applications and bin collections are handled there.
06
How well connected is SY21?

Connectivity scores 1.5 out of 10.

There are 0 bus stops within 800m and 1 station or tram stop within a mile, scoring 1.5 out of 10 (poor). The nearest station is Sylfaen Station (W&LLR), 0.8 miles away.

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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