SY21 area guide
House prices, recent sales, crime and schools for the SY21 postcode district in Powys. Free to read, from official open data. For one address in detail, run a full property report.
Powys · 2026-08 (UK HPI)
Land Registry Price Paid
Street-level crime at the district centre
Ofsted rated, within one mile
What the data says about SY21
The average home across Powys is worth about £237,042 (UK House Price Index, 2026-08), and prices have risen 1.4% over the last year.
Of 31 energy certificates sampled across 10 postcodes in SY21, band E is the most common, and 80.6% of homes sit below band C — the point at which most lenders' green mortgage deals and future rental rules bite.
Police recorded 1 crimes around the centre of SY21 in the six months to 2026-04, most often vehicle crime (1).
There are 0 schools rated Good or Outstanding by Ofsted within a mile of SY21 in Powys.
The district covers the Banwy, Llanfihangel and Llanwddyn, Berriew and Castle Caereinion, Chirbury & Worthen, Dolforwyn ward areas.
Sample of 31 energy certificates from 10 postcodes in SY21, taken from the government energy performance register, most recent lodged 2026. Indicative of the district rather than a full census.
Prices changed +1.4% over the last year in Powys.
Street-level crime from data.police.uk, six months to 2026-04.
Banwy, Llanfihangel and Llanwddyn · Berriew and Castle Caereinion · Chirbury & Worthen · Dolforwyn · Forden and Montgomery · Guilsfield · Llandrinio · Llanfair Caereinion and Llanerfyl · Llangyniew and Meifod · Loton · Rhiwcynon · Trelystan and Trewern
Common questions about SY21
What is the average house price in SY21?
The UK House Price Index puts the average home in Powys at £237,042 as of 2026-08.
How much does each property type cost in SY21?
Detached £325,350, semi-detached £214,384, terraced £173,582, flats £95,706, based on the UK House Price Index for Powys.
Is SY21 a safe area?
Police recorded 1 crimes near the centre of SY21 in the six months to 2026-04. The most common category was vehicle crime with 1 reports. Crime is recorded at street level, so figures vary street to street within the same district.
What EPC rating do homes in SY21 usually have?
Band E is the most common rating in our sample of 31 certificates from SY21, with 80.6% of homes rated below band C. A full property report shows the exact certificate, running costs and recommended improvements for one address.
What are the schools like near SY21?
0 schools within a mile of the SY21 district centre are rated Good or Outstanding by Ofsted. Catchment areas are set by the local authority and can change year to year.
Where does this SY21 data come from?
HM Land Registry Price Paid Data and the UK House Price Index for prices, the government's energy performance register for EPC bands, data.police.uk for crime, Get Information About Schools and Ofsted for schools, and ONS postcode geography. All are published under the Open Government Licence v3.0.
A full report covers the energy certificate, sale history and valuation, council tax band and bill, flood and crime risk, schools, transport and neighbourhood data for a single property.
Search an addressMore on SY21
Nearby SY postcode districts
Sources: HM Land Registry Price Paid Data and UK House Price Index, ONS postcode geography, data.police.uk, Get Information About Schools and Ofsted. Contains public sector information licensed under the Open Government Licence v3.0.