Detached
£85,000
35% below the Castle average
1.1% of sales
What is the average house price in Castle? £130,358
The average house price in Castle is £130,358, based on 138 homes sold in the 12 months to September 2026. Prices are down 6.1% (£8,453) on a year earlier.
- 1 year change
- −6.1%
- Sold in 12 months
- 138
- 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.
Semi-detached
£167,916
29% above the Castle average
4.2% of sales
Terraced
£140,582
8% above the Castle average
80.1% of sales
Flats
£77,003
41% below the Castle average
14.7% of sales
Are house prices in Castle going up or down?
House prices in Castle are falling: down 6.1% (£8,453) over the past year. Over the past 10 years, prices are up 34.9% (£33,750).
Past 12 months
−6.1%
−£8,453From £138,811 to £130,358
£142,946£130,358
Past 10 years
+34.9%
+£33,750From £96,608 to £130,358
£138,811£96,608
Quick answers for Castle
9 key facts at a glance.
When did prices peak?
£164,802
Highest average, reached in April 2008
How many homes sold?
138
Recorded so far for the 12 months to September 2026
What sells most often?
Terraced houses
80.1% of recent sales
What is the most common price range?
£100k - £150k
38.5% of sales
How many people live in Castle?
13,332
14,567 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?
6,392
6,984 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?
11 m² per resident
Less green space per resident than 86% of areas in England and Wales. That's about 1.6 football pitches for every 1,000 residents.
6.3% 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?
354 crimes per 1,000 residents
Very High · +4.3% 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?
38th most expensive area of Swansea.
Compared with 40 areas
What are the most expensive homes sold in Castle?
The highest recorded sale prices in Castle, from HM Land Registry.
#1 Most expensive sale
homegower house st helens road, swansea
£605,000
Sold February 2014
View house details
How do house prices in Castle compare with nearby areas?
Castle compared with the 6 nearest other areas in Swansea.
Castle vs Townhill
- Castle
- £130,358
- Townhill
- £125,523−£4,835
Open comparison
Castle vs Uplands
- Castle
- £130,358
- Uplands
- £237,071+£106,713
Open comparison
Castle vs Cwmbrwla
- Castle
- £130,358
- Cwmbrwla
- £148,057+£17,699
Open comparison
Castle vs Landore
- Castle
- £130,358
- Landore
- £126,739−£3,619
Open comparison
Castle vs Waterfront
- Castle
- £130,358
- Waterfront
- £185,368+£55,010
Open comparison
Castle vs St. Thomas
- Castle
- £130,358
- St. Thomas
- £144,429+£14,071
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 839 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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