Our Data Sources
40, Diana Street, Cardiff has 2 entries in the Land Registry , most recently in March 2025 and a single entry in the EPC database dated October 2025.
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 40, Diana Street, Cardiff, we estimate a market value of £312,694 and a rental value of £1,525 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £276,957 and £1,351 per month respectively.
Plot Size
HM Land Registry records the plot of land for 40, Diana Street, Cardiff as measuring 99 m2.
That makes it the 11th largest plot in the postcode, where all 40 other houses have recorded plot data.
Energy Efficiency
40, Diana Street, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 01 Oct 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 40, Diana Street, Cardiff completed on 6th March 2025 at £225,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 12.6% over the period since March 2025.
- Sold Mar 2025£225,000
- Sold Jul 2007£150,000
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 40, Diana Street, Cardiff have sold within a radius of 320 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 23rd September 2025, was 41, Diana Street, Cardiff, CF24 4TT, a leasehold house which sold for £170,000.
Read more about house prices in CF24.
- Sold Sep 2025£170,000 | 4 Bed House41, Diana Street, Cardiff, CF24 4TT41, Diana Street, Cardiff, CF24 4TT
- Sold Aug 2025£350,000 | 4 Bed House45, Alfred Street, Cardiff, CF24 4TZ45, Alfred Street, Cardiff, CF24 4TZ
- Sold May 2025£314,000 | 4 Bed House54, Donald Street, Cardiff, CF24 4TR54, Donald Street, Cardiff, CF24 4TR
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 140 addresses on Diana Street, Cardiff, CF24, 40, Diana Street, Cardiff comes out as the 14th largest and the 59th most expensive in our analysis of the public data.
It is also £73k more expensive than the average property across the CF24 district.
More reading links
Schools Nearby
Public Transport Nearby
- 900mCathays
- 1.4kmCardiff Queen Street
- 2.1kmCardiff Central
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.
