Our Data Sources
21, Arran Street, Cardiff has 2 entries in the Land Registry, most recently in August 2022 and a single entry in the EPC database dated May 2021.
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.
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, Arran Street, Cardiff, we estimate a market value of £289,388 and a rental value of £1,469 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £256,315 and £1,302 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Arran Street, Cardiff as measuring 106 m2.
That makes it the 11th largest plot in the postcode, where all 21 other houses have recorded plot data.
Energy Efficiency
21, Arran Street, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 May 2021.
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, Arran Street, Cardiff completed on 12th August 2022 at £240,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 3.8% over the period since August 2022.
- Sold Aug 2022£240,000
- Sold Dec 2010£177,500
Similar Properties Sold Nearby
Since 2020 230 properties similar to 21, Arran Street, Cardiff have sold within a radius of 290 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 16th December 2025, was 19, Plasnewydd Road, Cardiff, CF24 3EN, a freehold house which sold for £260,000.
Read more about house prices in CF24.
- Sold Dec 2025£260,000 | 4 Bed House19, Plasnewydd Road, Cardiff, CF24 3EN19, Plasnewydd Road, Cardiff, CF24 3EN
- Sold Dec 2025£263,000 | 3 Bed House18, Plasnewydd Road, Cardiff, CF24 3EN18, Plasnewydd Road, Cardiff, CF24 3EN
- Sold Sep 2025£300,000 | 4 Bed House50, Arran Street, Cardiff, CF24 3HS50, Arran Street, Cardiff, CF24 3HS
- Sold Jun 2025£255,000 | 3 Bed House51, Treharris Street, Cardiff, CF24 3HJ51, Treharris Street, Cardiff, CF24 3HJ
- Sold Mar 2025£265,000 | 3 Bed House12, Keppoch Street, Cardiff, CF24 3JW12, Keppoch Street, Cardiff, CF24 3JW
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £263,724, ranging from £139,819 to £332,961.
- 23 Arran Street
4 Bed House | 4 m | Est. Value: £284,673
- 19 Arran Street
4 Bed House | 8 m | Est. Value: £207,403
- 25 Arran Street
4 Bed House | 9 m | Est. Value: £284,281
- 17 Arran Street
4 Bed House | 9 m | Est. Value: £284,673
- 27 Arran Street
3 Bed House | 14 m | Est. Value: £263,433
Location Comparison
Of the 147 addresses on Arran Street, Cardiff, CF24, 21, Arran Street, Cardiff comes out as the 49th largest and the 62nd most expensive in our analysis of the public data.
It is also £49k more expensive than the average property across the CF24 district.
More reading links
Schools Nearby
Public Transport Nearby
- Cathays|700 m away
- Cardiff Queen Street|1.0 km away
- Cardiff Central|1.8 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.












