Our Data Sources
21, Kelvin Road, Cardiff has 21 entries in the Land Registry, most recently in April 2015 and a single entry in the EPC database dated August 2023.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium 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, Kelvin Road, Cardiff, we estimate a market value of £549,816 and a rental value of £1,620 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £486,980 and £1,435 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Kelvin Road, Cardiff as measuring 188 m2.
That makes it the 7th largest plot in the postcode, where all 26 other houses have recorded plot data.
Energy Efficiency
21, Kelvin Road, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 04 Aug 2023.
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, Kelvin Road, Cardiff completed on 24th April 2015 at £330,000 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 37.1% over the period since April 2015.
- Sold Apr 2015£330,000
- Sold Feb 2002£179,000
Similar Properties Sold Nearby
Since 2016 63 properties similar to 21, Kelvin Road, Cardiff have sold within a radius of 400 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 31st October 2025, was 28, Boverton Street, Cardiff, CF23 5ES, a freehold house which sold for £370,000.
Read more about house prices in CF23.
- Sold Oct 2025£370,000 | 4 Bed House28, Boverton Street, Cardiff, CF23 5ES28, Boverton Street, Cardiff, CF23 5ES
- Sold Aug 2025£580,000 | 4 Bed House21, Tydfil Place, Cardiff, CF23 5HP21, Tydfil Place, Cardiff, CF23 5HP
- Sold Jul 2025£568,000 | 4 Bed House6, Hendy Street, Cardiff, CF23 5EU6, Hendy Street, Cardiff, CF23 5EU
- Sold Feb 2025£527,000 | 4 Bed House4, Boverton Street, Cardiff, CF23 5ES4, Boverton Street, Cardiff, CF23 5ES
- Sold Feb 2025£563,000 | 4 Bed House23, Boverton Street, Cardiff, CF23 5ES23, Boverton Street, Cardiff, CF23 5ES
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 £409,670, ranging from £173,748 to £604,263.
- 23 Kelvin Road
5 Bed House | 3 m | Est. Value: £604,263
- 19 Kelvin Road
4 Bed House | 7 m | Est. Value: £525,483
- 17 Kelvin Road
4 Bed House | 11 m | Est. Value: £535,728
- Flat 3, 25 Kelvin Road
2 Bed Flat | 13 m | Est. Value: £182,218
- Flat 1, 25 Kelvin Road
2 Bed Flat | 13 m | Est. Value: £173,748
Location Comparison
Of the 34 addresses on Kelvin Road, Cardiff, CF23, 21, Kelvin Road, Cardiff comes out as the 10th largest and the 11th most expensive in our analysis of the public data.
It is also £160k more expensive than the average property across the CF23 district.
More reading links
Schools Nearby
Public Transport Nearby
- Cathays|1.2 km away
- Cardiff Queen Street|1.9 km away
- Heath Low Level|2.0 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.












