SY18 area guide
House prices, recent sales, crime and schools for the SY18 postcode district in Powys. Free to read, from official open data. For one address in detail, run a full property report.
Powys · 2026-05 (UK HPI)
Median £247,500
Street-level crime at the district centre
Ofsted rated, within one mile
What the data says about SY18
The average home across Powys is worth about £235,845 (UK House Price Index, 2026-05), and the median of the 10 most recent Land Registry sales recorded inside SY18 is £247,500, and prices have risen 4.0% over the last year.
Of 128 energy certificates sampled across 12 postcodes in SY18, band D is the most common, and 69.5% of homes sit below band C — the point at which most lenders' green mortgage deals and future rental rules bite.
Police recorded 78 crimes around the centre of SY18 in the six months to 2026-06, most often violence and sexual offences (40).
There are 0 schools rated Good or Outstanding by Ofsted within a mile of SY18 in Powys.
The district covers the Llanbrynmair, Llandinam with Dolfor, Llanidloes, Llanyre with Nantmel ward areas.
Sample of 128 energy certificates from 12 postcodes in SY18, taken from the government energy performance register, most recent lodged 2026. Indicative of the district rather than a full census.
Prices changed +4.0% over the last year in Powys.
Street-level crime from data.police.uk, six months to 2026-06.
Llanbrynmair · Llandinam with Dolfor · Llanidloes · Llanyre with Nantmel · Rhayader
Common questions about SY18
What is the average house price in SY18?
The UK House Price Index puts the average home in Powys at £235,845 as of 2026-05. Recent Land Registry sales recorded inside the SY18 district have a median price of £247,500.
How much does each property type cost in SY18?
Detached £325,115, semi-detached £213,034, terraced £171,387, flats £94,938, based on the UK House Price Index for Powys.
Is SY18 a safe area?
Police recorded 78 crimes near the centre of SY18 in the six months to 2026-06. The most common category was violence and sexual offences with 40 reports. Crime is recorded at street level, so figures vary street to street within the same district.
What EPC rating do homes in SY18 usually have?
Band D is the most common rating in our sample of 128 certificates from SY18, with 69.5% 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 SY18?
0 schools within a mile of the SY18 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 SY18 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 SY18
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.