Terraced
£600,000
285% above the Castle average
2.9% of sales
What is the average house price in Castle? £155,685
The average house price in Castle is £155,685, based on 40 homes sold in the 12 months to September 2026. Prices are down 24.2% (£49,724) on a year earlier.
- 1 year change
- −24.2%
- Sold in 12 months
- 40
- 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 Castle?
Average sold price by property type, and each type's share of recent sales.
Flats
£145,556
7% below the Castle average
97.1% of sales
Are house prices in Castle going up or down?
House prices in Castle are falling: down 24.2% (£49,724) over the past year. Over the past 10 years, prices are down 10.9% (£19,108).
Past 12 months
−24.2%
−£49,724From £205,409 to £155,685
£205,409£155,641
Past 10 years
−10.9%
−£19,108From £174,793 to £155,685
£206,455£155,685
Quick answers for Castle
9 key facts at a glance.
When did prices peak?
£540,000
Highest average, reached in April 2001
How many homes sold?
40
Recorded so far for the 12 months to September 2026
What sells most often?
Flats
97.1% of recent sales
What is the most common price range?
£150k - £200k
30.5% of sales
How many people live in Castle?
2,627
3,922 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 Castle?
1,145
1,709 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 Castle?
191 m² per resident
More green space per resident than 95% of areas in England and Wales. That's about 27 football pitches for every 1,000 residents.
29.0% of the area · 6 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 Castle?
2,012 crimes per 1,000 residents
Very High · +10.1% 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 Castle rank?
36th most expensive area of Cardiff.
Compared with 36 areas
What are the most expensive homes sold in Castle?
The highest recorded sale prices in Castle, from HM Land Registry.
How do house prices in Castle compare with nearby areas?
Castle compared with the 6 nearest other areas in Cardiff.
Castle vs Riverside
- Castle
- £155,685
- Riverside
- £225,652+£69,967
Open comparison
Castle vs Cathays
- Castle
- £155,685
- Cathays
- £298,650+£142,965
Open comparison
Castle vs Pontcanna
- Castle
- £155,685
- Pontcanna
- £376,340+£220,655
Open comparison
Castle vs Roath
- Castle
- £155,685
- Roath
- £262,030+£106,345
Open comparison
Castle vs Adamsdown
- Castle
- £155,685
- Adamsdown
- £208,425+£52,740
Open comparison
Castle vs Gabalfa
- Castle
- £155,685
- Gabalfa
- £298,878+£143,193
Open comparison
Thinking of buying in Castle?
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 Castle dataset covers 1,333 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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