Detached
£255,000
15% below the Cathays average
1.8% of sales
What is the average house price in Cathays? £298,650
The average house price in Cathays is £298,650, based on 134 homes sold in the 12 months to September 2026. Prices are up 1.8% (£5,349) on a year earlier.
- 1 year change
- +1.8%
- Sold in 12 months
- 134
- 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 Cathays?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£359,914
21% above the Cathays average
6.8% of sales
Terraced
£304,399
2% above the Cathays average
83.8% of sales
Flats
£135,750
55% below the Cathays average
7.5% of sales
Are house prices in Cathays going up or down?
House prices in Cathays are rising: up 1.8% (£5,349) over the past year. Over the past 10 years, prices are up 46.8% (£95,171).
Past 12 months
+1.8%
+£5,349From £293,301 to £298,650
£298,650£286,074
Past 10 years
+46.8%
+£95,171From £203,479 to £298,650
£298,650£203,479
Quick answers for Cathays
9 key facts at a glance.
When did prices peak?
£483,014
Highest average, reached in July 2025
How many homes sold?
134
Recorded so far for the 12 months to September 2026
What sells most often?
Terraced houses
83.8% of recent sales
What is the most common price range?
£200k - £300k
44.2% of sales
How many people live in Cathays?
19,202
30,501 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 Cathays?
5,041
8,007 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 Cathays?
13 m² per resident
Less green space per resident than 83% of areas in England and Wales. That's about 1.9 football pitches for every 1,000 residents.
15.6% of the area · 0 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 Cathays?
67 crimes per 1,000 residents
High · +5.6% on the previous year · 12 months to September 2026
Crime rate is 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 Cathays rank?
20th most expensive area of Cardiff.
Compared with 36 areas
What are the most expensive homes sold in Cathays?
The highest recorded sale prices in Cathays, from HM Land Registry.
How do house prices in Cathays compare with nearby areas?
Cathays compared with the 6 nearest other areas in Cardiff.
Cathays vs Castle
- Cathays
- £298,650
- Castle
- £155,685−£142,965
Open comparison
Cathays vs Roath
- Cathays
- £298,650
- Roath
- £262,030−£36,620
Open comparison
Cathays vs Gabalfa
- Cathays
- £298,650
- Gabalfa
- £298,878+£228
Open comparison
Cathays vs Pontcanna
- Cathays
- £298,650
- Pontcanna
- £376,340+£77,690
Open comparison
Cathays vs Riverside
- Cathays
- £298,650
- Riverside
- £225,652−£72,998
Open comparison
Cathays vs Adamsdown
- Cathays
- £298,650
- Adamsdown
- £208,425−£90,225
Open comparison
Thinking of buying in Cathays?
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 Cathays dataset covers 540 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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