Market analysis
The average home in the SY18 postcode area, part of Llanidloes, has sold for £201,792 — 26% below the UK average of £271,295. The median sold price, less skewed by the most expensive sales, is £165,000. In 2025, the most recent complete year, prices rose 1.1% year on year, from £239,034 to £241,709. Since 2015, average values here have grown by 77%.
Terraced houses are the most commonly sold property type in SY18, making up 39% of the 1,946 transactions on record. In all, 1,946 sales have been registered here since 1995, within Powys, Powys. Buyers weighing up SY18 commonly compare it with neighbouring SY1, SY10, SY11.
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Property Value Trends
2026 data is partialHover over data points to see details
Market Summary
Higher-value properties pull the average above median, indicating a mixed market.
Property Types
Recent Registered Sales
HM Land Registry| Property Type | Address | Sale Date | Price Paid |
|---|---|---|---|
| Detached | GLYNRHEDYN, CWMDU SY18 6DL | 26-06-2026 | £340,000 |
| Detached | JUNIPER BANK, PENYGREEN ROAD SY18 6AJ | 19-06-2026 | £330,000 |
| Semi-Detached | CARTREF, HILLFIELD SY18 6ET | 27-05-2026 | £245,000 |
| Terraced | 12, WESTGATE STREET SY18 6HJ | 22-05-2026 | £165,000 |
| Detached | GELLIDEG, VAN ROAD SY18 6HR | 11-05-2026 | £360,000 |
| Semi-Detached | 69, CAEGWYN SY18 6DR | 08-05-2026 | £189,500 |
| Flat | 102, CAEGWYN SY18 6DU | 05-05-2026 | £129,950 |
| Semi-Detached | BRYNDERW, TROEDYRALLT SY18 6HY | 01-05-2026 | £250,000 |
| Terraced | GERDDI BRYNDWR, 2, HAFREN TERRACE SY18 6AT | 10-04-2026 | £172,000 |
| Detached | BWTHYN CERIST, VAN SY18 6NH | 01-04-2026 | £360,000 |
Track SY18 sold prices
Get an email when HM Land Registry publishes new sold prices for SY18 — usually once a month. The latest sales, the district median, and how SY18 is moving.
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About this data
Averages and medians on this page cover the 803 sales registered in SY18 since 2015, so they reflect the current market rather than three decades of it. The 1,946 figure is every sale since records begin in 1995, and the yearly chart uses each year's own sales. Prices are what buyers actually paid, as registered with HM Land Registry — not asking prices or estimates. Scotland and Northern Ireland are not in this dataset; see Scotland and Northern Ireland.