Our Data Sources
21, Heol Esgyn, Cardiff has no recent1 records in the Land Registry and a single entry in the EPC database dated February 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 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, Heol Esgyn, Cardiff, we estimate a market value of £614,966 and a rental value of £1,930 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £544,684 and £1,710 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Heol Esgyn, Cardiff as measuring 284 m2.
That makes it the 15th largest plot in the postcode, where 23 of the 25 other houses have recorded plot data.
Energy Efficiency
21, Heol Esgyn, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Feb 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas, boiler and underfloor heating, mains gas).
Sold Prices
The most recent sale of 21, Heol Esgyn, Cardiff completed on 22nd September 1997 at £84,950 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
- Sold Sep 1997£84,950
Similar Properties Sold Nearby
Since 2016 115 properties similar to 21, Heol Esgyn, Cardiff have sold within a radius of 670 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 27th November 2025, was 12, Lakeside Drive, Cardiff, CF23 6DD, a freehold house which sold for £585,000.
Read more about house prices in CF23.
- Sold Nov 2025£585,000 | 4 Bed House12, Lakeside Drive, Cardiff, CF23 6DD12, Lakeside Drive, Cardiff, CF23 6DD
- Sold Aug 2025£605,000 | 4 Bed House10, Lakeside Drive, Cardiff, CF23 6DD10, Lakeside Drive, Cardiff, CF23 6DD
- Sold Apr 2025£660,000 | 4 Bed House11, Padarn Close, Cardiff, CF23 6ER11, Padarn Close, Cardiff, CF23 6ER
- Sold Oct 2024£610,000 | 4 Bed House13, Rhydypenau Road, Cardiff, CF23 6PX13, Rhydypenau Road, Cardiff, CF23 6PX
- Sold Mar 2024£600,000 | 4 Bed House9, Padarn Close, Cardiff, CF23 6ER9, Padarn Close, Cardiff, CF23 6ER
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 £516,178, ranging from £319,388 to £617,331.
- 17 Heol Esgyn
3 Bed House | 19 m | Est. Value: £474,673
- 15 Heol Esgyn
4 Bed House | 31 m | Est. Value: £574,239
- 29 Heol Esgyn
4 Bed House | 31 m | Est. Value: £569,678
- 31 Heol Esgyn
4 Bed House | 39 m | Est. Value: £617,331
- 18 Heol Esgyn
4 Bed House | 44 m | Est. Value: £487,631
Location Comparison
Of the 33 addresses on Heol Esgyn, Cardiff, CF23, 21, Heol Esgyn, Cardiff comes out as the 10th largest and the 9th most expensive in our analysis of the public data.
It is also £223k more expensive than the average property across the CF23 district.
More reading links
Schools Nearby
Public Transport Nearby
- Heath High Level|500 m away
- Heath Low Level|600 m away
- Ty Glas|1.4 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.












