Detached
£468,375
30% above the Tongwynlais average
16.7% of sales
What is the average house price in Tongwynlais? £361,435
The average house price in Tongwynlais is £361,435, based on 20 homes sold in the 12 months to September 2026. Prices are up 45.4% (£112,784) on a year earlier.
- 1 year change
- +45.4%
- Sold in 12 months
- 20
- Data up to
- September 2026
Sold prices from HM Land Registry, not asking prices. How we calculate this
How much does each type of property cost in Tongwynlais?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£400,306
11% above the Tongwynlais average
25.0% of sales
Terraced
£271,411
25% below the Tongwynlais average
47.9% of sales
Are house prices in Tongwynlais going up or down?
House prices in Tongwynlais are rising: up 45.4% (£112,784) over the past year. Over the past 10 years, prices are up 86.2% (£167,353).
Past 12 months
+45.4%
+£112,784From £248,651 to £361,435
£361,435£248,651
Past 10 years
+86.2%
+£167,353From £194,082 to £361,435
£361,435£194,082
Quick answers for Tongwynlais
9 key facts at a glance.
When did prices peak?
£611,250
Highest average, reached in December 2025
How many homes sold?
20
Recorded so far for the 12 months to September 2026
What sells most often?
Terraced houses
47.9% of recent sales
What is the most common price range?
£200k - £300k
35.4% of sales
How many people live in Tongwynlais?
1,878
1,132 people per square mile · Very High (Census 2021)
Population density is Very High, on a scale from Very Low to Very High.
Usual residents, including communal establishments.
How many households are in Tongwynlais?
814
491 households per square mile · Very High (Census 2021)
Household density is Very High, on a scale from Very Low to Very High.
Occupied households, not communal establishments.
How much green space is in Tongwynlais?
37 m² per resident
More green space per resident than 61% of areas in England and Wales. That's about 5.2 football pitches for every 1,000 residents.
1.6% of the area · 2 public parks. Parks, playing fields, allotments and other public green space, not counting golf courses. Contains OS data © Crown copyright and database right 2026.
What is the crime rate in Tongwynlais?
100 crimes per 1,000 residents
Very High · +8.1% on the previous year · 12 months to September 2026
Crime rate is Very High, on a scale from Very Low to Very High.
Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
How does Tongwynlais rank?
12th most expensive area of Cardiff.
Compared with 36 areas
What are the most expensive homes sold in Tongwynlais?
The highest recorded sale prices in Tongwynlais, from HM Land Registry.
How do house prices in Tongwynlais compare with nearby areas?
Tongwynlais compared with the 6 nearest other areas in Cardiff.
Tongwynlais vs Rhiwbina
- Tongwynlais
- £361,435
- Rhiwbina
- £403,334+£41,899
Open comparison
Tongwynlais vs Radyr and Morganstown
- Tongwynlais
- £361,435
- Radyr and Morganstown
- £398,248+£36,813
Open comparison
Tongwynlais vs Whitchurch
- Tongwynlais
- £361,435
- Whitchurch
- £379,487+£18,052
Open comparison
Tongwynlais vs Thornhill
- Tongwynlais
- £361,435
- Thornhill
- £320,883−£40,552
Open comparison
Tongwynlais vs Pentyrch
- Tongwynlais
- £361,435
- Pentyrch
- £395,316+£33,881
Open comparison
Tongwynlais vs Llanishen
- Tongwynlais
- £361,435
- Llanishen
- £313,434−£48,001
Open comparison
Thinking of buying in Tongwynlais?
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 buyWhere 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.
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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