Our Data Sources
23, Clos Derwen, Cardiff has no recent1 records in the Land Registry and a single entry in the EPC database dated May 2014.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 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 23, Clos Derwen, Cardiff, we estimate a market value of £588,288 and a rental value of £1,816 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £521,055 and £1,608 per month respectively.
Plot Size
HM Land Registry records the plot of land for 23, Clos Derwen, Cardiff as measuring 407 m2.
That makes it the 11th largest plot in the postcode, where all 46 other houses have recorded plot data.
Energy Efficiency
23, Clos Derwen, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 May 2014.
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 23, Clos Derwen, Cardiff completed on 18th April 2000 at £187,950 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
- Sold Apr 2000£187,950
Similar Properties Sold Nearby
Since 2007 70 properties similar to 23, Clos Derwen, Cardiff have sold within a radius of 550 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th January 2026, was 25, Ninian Road, Cardiff, CF23 5EF, a freehold house which sold for £547,600.
Read more about house prices in CF23.
- Sold Jan 2026£547,600 | 4 Bed House25, Ninian Road, Cardiff, CF23 5EF25, Ninian Road, Cardiff, CF23 5EF
- Sold Nov 2025£575,000 | 4 Bed House40, Ffordd Cwellyn, Cardiff, CF23 5NB40, Ffordd Cwellyn, Cardiff, CF23 5NB
- 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 May 2025£525,000 | 4 Bed House10, Grisedale Close, Cardiff, CF23 5NX10, Grisedale Close, Cardiff, CF23 5NX
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 £537,204, ranging from £295,892 to £666,048.
- 21 Clos Derwen
4 Bed House | 23 m | Est. Value: £552,998
- 26 Clos Derwen
2 Bed House | 29 m | Est. Value: £295,892
- 25 Clos Derwen
4 Bed House | 29 m | Est. Value: £498,672
- 27 Clos Derwen
4 Bed House | 34 m | Est. Value: £496,401
- 20 Clos Derwen
4 Bed House | 34 m | Est. Value: £648,829
Location Comparison
Of the 46 addresses on Clos Derwen, Cardiff, CF23, 23, Clos Derwen, Cardiff comes out as the 19th largest and the 18th most expensive in our analysis of the public data.
It is also £197k more expensive than the average property across the CF23 district.
More reading links
Schools Nearby
Public Transport Nearby
- Cathays|1.5 km away
- Heath Low Level|1.9 km away
- Heath High Level|2.0 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
