1 Dalmuir Road, Cardiff is the most expensive house sold in South Glamorgan, at £20,000,000 in December 2025. The 100 highest recorded sales start at £1,425,000.
Sold prices from HM Land Registry, not asking prices. How we calculate this
All house prices in South GlamorganThe 100 most expensive houses sold in South Glamorgan went for between £1,425,000 and £20,000,000.
South Glamorgan, part of Cymru Wales, has seen some remarkable property sales. The most expensive house on the list sold for £20,000,000 in 2025, while the least expensive cost £1,425,000. The latest house sale on the list took place in 2026. In total, there have been 257,915 sales in the area since 1995, showing just how active the South Glamorgan property market has been over the years.
1 Dalmuir Road, Cardiff tops the list at £20,000,000, followed by Erw Wen Rudry Road, Cardiff at £3,150,000. Select a house to see where it is and what it sold for before.
| Year | Sold for | Change on previous sale |
|---|---|---|
| 2014 | £3,150,000 | First recorded sale |
South Glamorgan has the highest recorded sale of the 17 areas in Cymru / Wales.
South Glamorgan (this area)
£20,000,000
£7,787,881
£3,627,787
£3,500,000
£2,882,745
Cardiff has the highest recorded sale in South Glamorgan at £20,000,000.
£20,000,000
£3,000,000
More quick answers on house prices, sales, areas, green space and crime in South Glamorgan.
There's a lot to think about. Whether it's a home to live in or a buy-to-let, our free checklist walks you through what to check before you make an offer.
What to check before you buyPrice information is from HM Land Registry, location boundaries are from OpenStreetMap, and households and population are from Nomis Census 2021 postcode estimates (21 March 2021). Parks and green space are from OS Open Greenspace. Contains OS data © Crown copyright and database right 2026. Crime is from police.uk street-level data. Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
Last updated 6 November 2026 at 00:09 with the latest Land Registry data (September 2026). The South Glamorgan dataset covers 24,634 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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