When did average house prices in Tongwynlais reach their peak? December 2025

Average house prices in Tongwynlais peaked at £611,250 in December 2025, the highest monthly average since January 1995. Across the 12 months to September 2026, the average is £361,435.

Peak average
£611,250
Latest 12-month average
£361,435
Data up to
September 2026

Sold prices from HM Land Registry, not asking prices. How we calculate this

All house prices in Tongwynlais

What was the average house price in Tongwynlais each year?

Average sold price in each calendar year, newest first. 2026 had the highest yearly average of the past 10 years.

Average house price in Tongwynlais by year
YearAverage price
2026 (to September)Highest£341,192
2025£296,476
2024£257,428
2023£272,403
2022£275,989
2021£275,343
2020£214,529
2019£256,130
2018£251,654
2017£228,541

How have house prices in Tongwynlais changed over time?

Monthly or yearly average sold price. Choose a time range to explore.

What else do people ask about Tongwynlais?

More quick answers on house prices, sales, areas, green space and crime in Tongwynlais.

Where does this data come from?

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.

Last updated 6 November 2026 at 00:25 with the latest Land Registry data (September 2026). The Tongwynlais dataset covers 129 postcodes.

Read our full data methodology

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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