Our Data Sources
21, Mill Close, Cardiff has no records in the Land Registry and a single entry in the EPC database dated October 2012.
We combine this information with public data 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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 21, Mill Close, Cardiff is in very good condition we estimate a sale value of £506,425 and a rental value of £1,809 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £448,548 and a rental value of £1,602 per month.
Plot Size
According to data from HM Land Registry, 21, Mill Close, Cardiff sits on a plot of 303 m2.
We have plot size data on 28 out of 30 other houses in the postcode and 21, Mill Close, Cardiff sits on the 24th largest plot.
Energy Efficiency
21, Mill Close, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Oct 2012.
The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 122 sales of properties similar to 21, Mill Close, Cardiff within a radius of 820 metres since 2012.
The most recent example is 41, Millrace Close, Cardiff, CF14 0UQ, a freehold house which sold for £450,000 on the 20th August 2025.
Read more about house prices in CF14.
- Sold Aug 2025£450,000 | 4 Bed House41, Millrace Close, Cardiff, CF14 0UQ41, Millrace Close, Cardiff, CF14 0UQ
- Sold Aug 2025£600,000 | 4 Bed House22, Mill Close, Cardiff, CF14 0XQ22, Mill Close, Cardiff, CF14 0XQ
- Sold Jun 2025£473,550 | 4 Bed House15, Everest Avenue, Cardiff, CF14 5AP15, Everest Avenue, Cardiff, CF14 5AP
- Sold Feb 2025£650,000 | 4 Bed House42, North Rise, Cardiff, CF14 0RN42, North Rise, Cardiff, CF14 0RN
- Sold Dec 2024£400,000 | 4 Bed House53, Everest Avenue, Cardiff, CF14 5AQ53, Everest Avenue, Cardiff, CF14 5AQ
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 £486,416, ranging from £136,260 to £827,516.
- 23 Mill Close
4 Bed House | 9 m | Est. Value: £541,538
- 25 Mill Close
4 Bed House | 19 m | Est. Value: £517,597
- 27 Mill Close
3 Bed House | 31 m | Est. Value: £414,928
- 3 Millgate
5 Bed House | 31 m | Est. Value: £827,516
- 15A Mill Close
2 Bed Flat | 34 m | Est. Value: £183,397
Location Comparison
Mill Close, Llanishen, Cardiff, CF14 has a total of 32 addresses. According to our analysis of all the public data, 21, Mill Close, Cardiff is the 15th largest and the 22nd most expensive property on the street.
When compared to the postcode district it is £110k more expensive than the average property in CF14.
More reading links
Schools Nearby
Public Transport Nearby
- Llanishen|300 m away
- Lisvane & Thornhill|1.2 km away
- Ty Glas|1.9 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












