
Detached
£605,411
93% above the Llanishen average
11.5% of sales
Semi-detached houses are the most common type of property sold in Llanishen, at 34.4% of sales over the past two years. Flats are next, at 32.9%.
Sold prices from HM Land Registry, not asking prices. How we calculate this
All house prices in LlanishenHouses make up 67.1% of sales in Llanishen, and flats 32.9%. Shares cover the past two years.
| Property type | Share of sales |
|---|---|
| Semi-detached housesMost common | 34.4% |
| Flats | 32.9% |
| Terraced houses | 21.1% |
| Detached houses | 11.5% |
Average sold price by property type, and each type's share of recent sales.

£605,411
93% above the Llanishen average
11.5% of sales

£372,105
19% above the Llanishen average
34.4% of sales

£297,620
5% below the Llanishen average
21.1% of sales

£179,823
43% below the Llanishen average
32.9% of sales
More quick answers on house prices, sales, areas, green space, crime, air quality and listed buildings in Llanishen.
Price 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. Listed buildings and scheduled monuments are from Historic England and Cadw, and conservation areas from planning.data.gov.uk. Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), licensed under the Open Government Licence. Air quality is from Defra modelled background pollution maps. Contains public sector information licensed under the Open Government Licence v3.0. Source: Defra modelled background pollution, 2025.
Last updated 11 November 2026 at 01:33 with the latest Land Registry data (September 2026). The Llanishen dataset covers 994 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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