Our Data Sources
21, Duncan Close, Cardiff has 61 entries in the Land Registry, most recently in April 2021 and a single entry in the EPC database dated December 2020.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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, Duncan Close, Cardiff is in very good condition we estimate a sale value of £218,521 and a rental value of £1,243 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £193,547 and a rental value of £1,101 per month.
Plot Size
According to data from HM Land Registry, 21, Duncan Close, Cardiff sits on a plot of 146 m2.
We have plot size data on 26 out of 26 other houses in the postcode and 21, Duncan Close, Cardiff sits on the 26th largest plot.
Energy Efficiency
21, Duncan Close, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 10 Dec 2020.
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
According to HM Land Registry, 21, Duncan Close, Cardiff was last sold on 8th April 2021 for £166,000 and was recorded as a freehold house.
The property has had 6 sales since 1995.
Since April 2021, the market for similar properties has risen by 18.1%.
- Sold Apr 2021£166,000
- Sold Jul 2015£136,000
- Sold Jan 2014£124,950
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 16 sales of properties similar to 21, Duncan Close, Cardiff within a radius of 510 metres since 2007.
The most recent example is 1, Canopus Close, Cardiff, CF3 1NR, a freehold house which sold for £180,000 on the 12th December 2025.
Read more about house prices in CF3.
- Sold Dec 2025£180,000 | 2 Bed House1, Canopus Close, Cardiff, CF3 1NR1, Canopus Close, Cardiff, CF3 1NR
- Sold Nov 2025£220,000 | 2 Bed House26, Canopus Close, Cardiff, CF3 1NR26, Canopus Close, Cardiff, CF3 1NR
- Sold Apr 2024£188,000 | 2 Bed House3, Duncan Close, Cardiff, CF3 1NP3, Duncan Close, Cardiff, CF3 1NP
- Sold Feb 2024£205,000 | 3 Bed House43, Meadvale Road, Cardiff, CF3 1UG43, Meadvale Road, Cardiff, CF3 1UG
- Sold Jan 2023£169,000 | 2 Bed House24, Canopus Close, Cardiff, CF3 1NR24, Canopus Close, Cardiff, CF3 1NR
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 £279,137, ranging from £208,115 to £514,727.
- 22 Duncan Close
2 Bed House | 4 m | Est. Value: £209,503
- 20 Duncan Close
2 Bed House | 9 m | Est. Value: £208,115
- 19 Duncan Close
3 Bed House | 13 m | Est. Value: £245,894
- 23 Duncan Close
3 Bed House | 15 m | Est. Value: £253,553
- 20 Old Hill
4 Bed House | 23 m | Est. Value: £398,411
Location Comparison
Duncan Close, St. Mellons, Cardiff, CF3 has a total of 26 addresses. According to our analysis of all the public data, 21, Duncan Close, Cardiff is the 24th largest and the 24th most expensive property on the street.
When compared to the postcode district it is £50k less expensive than the average property in CF3.
More reading links
Schools Nearby
Public Transport Nearby
- Heath High Level|4.7 km away
- Heath Low Level|4.8 km away
- Llanishen|4.9 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.
