Our Data Sources
21, Windermere Avenue, Cardiff has 21 entries in the Land Registry, most recently in August 2022 and a single entry in the EPC database dated July 2017.
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
In very good condition, we estimate 21, Windermere Avenue, Cardiff would be worth £527,816, with a potential rental value of £1,676 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £467,494, with a rental value of £1,485 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Windermere Avenue, Cardiff occupies a 291 m2 plot as recorded by HM Land Registry.
Of the 32 other houses in this postcode, 31 have recorded plot sizes, and this one ranks as the 14th largest.
Energy Efficiency
21, Windermere Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 Jul 2017.
The property is connected to mains gas and has some double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
21, Windermere Avenue, Cardiff last changed hands on 24th August 2022, selling for £518,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has dropped by 7.7% since August 2022.
- Sold Aug 2022£518,000
- Sold Jan 2004£235,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 134 sales of comparable properties within 680 metres of 21, Windermere Avenue, Cardiff since 2012.
Most recently, 36, Windermere Avenue, Cardiff, CF23 5PR, a freehold house, sold at £470,000 on the 16th April 2026.
Read more about house prices in CF23.
- Sold Apr 2026£470,000 | 4 Bed House36, Windermere Avenue, Cardiff, CF23 5PR36, Windermere Avenue, Cardiff, CF23 5PR
- Sold Jan 2026£538,000 | 4 Bed House26, Heathwood Grove, Cardiff, CF14 3RD26, Heathwood Grove, Cardiff, CF14 3RD
- Sold Dec 2025£525,000 | 4 Bed House25, Windermere Avenue, Cardiff, CF23 5PQ25, Windermere Avenue, Cardiff, CF23 5PQ
- Sold Nov 2025£525,000 | 4 Bed House2, Windermere Avenue, Cardiff, CF23 5PQ2, Windermere Avenue, Cardiff, CF23 5PQ
- Sold Feb 2025£481,000 | 4 Bed House33, Windermere Avenue, Cardiff, CF23 5PQ33, Windermere Avenue, Cardiff, CF23 5PQ
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 £531,219, ranging from £479,966 to £677,099.
- 25 Windermere Avenue
4 Bed House | 18 m | Est. Value: £522,601
- 15 Windermere Avenue
4 Bed House | 30 m | Est. Value: £502,682
- 2 Windermere Avenue
4 Bed House | 36 m | Est. Value: £493,634
- 10 Windermere Avenue
4 Bed House | 37 m | Est. Value: £495,908
- 12 Windermere Avenue
4 Bed House | 40 m | Est. Value: £499,826
Location Comparison
Our analysis of the public data ranks 21, Windermere Avenue, Cardiff as the 54th largest and the 59th most expensive of the 96 addresses on Windermere Avenue, Cardiff, CF23.
Against the CF23 postcode district average, it is £139k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Heath Low Level|1.0 km away
- Heath High Level|1.1 km away
- Cathays|2.0 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
