Our Data Sources
21, Castle Street, Barry has 71 entries in the Land Registry, most recently in February 2025 and a single entry in the EPC database dated June 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, Castle Street, Barry, we estimate a market value of £228,638 and a rental value of £1,523 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £202,508 and £1,349 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Castle Street, Barry as measuring 86 m2.
That makes it the 12th largest plot in the postcode, where 17 of the 29 other houses have recorded plot data.
Energy Efficiency
21, Castle Street, Barry has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Jun 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 21, Castle Street, Barry completed on 14th February 2025 at £218,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 7 times.
Values of comparable properties have risen by 13.6% over the period since February 2025.
- Sold Feb 2025£218,000
- Sold Jun 2017£142,000
- Sold Nov 2013£125,000
Similar Properties Sold Nearby
Since 2021 249 properties similar to 21, Castle Street, Barry have sold within a radius of 470 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 7th May 2026, was 36, Gaen Street, Barry, CF62 6JZ, a freehold house which sold for £222,000.
Read more about house prices in CF62.
- Sold May 2026£222,000 | 3 Bed House36, Gaen Street, Barry, CF62 6JZ36, Gaen Street, Barry, CF62 6JZ
- Sold Apr 2026£220,000 | 3 Bed House31, Kathleen Street, Barry, CF62 6JY31, Kathleen Street, Barry, CF62 6JY
- Sold Feb 2026£210,000 | 3 Bed House40, Glamorgan Street, Barry, CF62 6JN40, Glamorgan Street, Barry, CF62 6JN
- Sold Jan 2026£155,000 | 3 Bed House4, Bell Street, Barry, CF62 6JT4, Bell Street, Barry, CF62 6JT
- Sold Dec 2025£235,000 | 3 Bed House68, Salisbury Road, Barry, CF62 6PD68, Salisbury Road, Barry, CF62 6PD
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £214,422, ranging from £186,741 to £229,022.
- 23 Castle Street
3 Bed House | 5 m | Est. Value: £221,579
- 19 Castle Street
3 Bed House | 5 m | Est. Value: £229,022
- 17 Castle Street
3 Bed House | 9 m | Est. Value: £224,503
- 25 Castle Street
3 Bed House | 10 m | Est. Value: £216,458
- 15 Castle Street
3 Bed House | 14 m | Est. Value: £225,335
Location Comparison
Of the 57 addresses on Castle Street, Barry, CF62, 21, Castle Street, Barry comes out as the 43rd largest and the 23rd most expensive in our analysis of the public data.
It is also £63k less expensive than the average property across the CF62 district.
More reading links
Schools Nearby
Public Transport Nearby
- Barry|500 m away
- Barry Island|1.4 km away
- Barry Docks|2.1 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












