Our Data Sources
18, Windway Avenue, Cardiff has 21 entries in the Land Registry, most recently in April 2023 and a single entry in the EPC database dated January 2023.
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 18, Windway Avenue, Cardiff would be worth £471,700, with a potential rental value of £1,828 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £417,791, with a rental value of £1,619 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Windway Avenue, Cardiff occupies a 252 m2 plot as recorded by HM Land Registry.
All 32 other houses in this postcode have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
18, Windway Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Jan 2023.
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
18, Windway Avenue, Cardiff last changed hands on 28th April 2023, selling for £433,000. 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 38.0% since April 2023.
- Sold Apr 2023£433,000
- Sold Sep 1995£56,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 103 sales of comparable properties within 490 metres of 18, Windway Avenue, Cardiff since 2013.
Most recently, 26, Thompson Avenue, Cardiff, CF5 1EY, a freehold house, sold at £505,000 on the 9th January 2026.
Read more about house prices in CF5.
- Sold Jan 2026£505,000 | 4 Bed House26, Thompson Avenue, Cardiff, CF5 1EY26, Thompson Avenue, Cardiff, CF5 1EY
- Sold Jul 2025£390,000 | 4 Bed House6, Mayfield Avenue, Cardiff, CF5 1AN6, Mayfield Avenue, Cardiff, CF5 1AN
- Sold Jun 2025£410,000 | 4 Bed House12, Birchfield Crescent, Cardiff, CF5 1AE12, Birchfield Crescent, Cardiff, CF5 1AE
- Sold May 2025£380,000 | 4 Bed House1, Windway Road, Cardiff, CF5 1AF1, Windway Road, Cardiff, CF5 1AF
- Sold Oct 2024£337,000 | 4 Bed House86, Windway Road, Cardiff, CF5 1AG86, Windway Road, Cardiff, CF5 1AG
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 £397,104, ranging from £360,865 to £473,514.
- 16 Windway Avenue
3 Bed House | 6 m | Est. Value: £360,865
- 14 Windway Avenue
3 Bed House | 11 m | Est. Value: £373,518
- 10 Windway Avenue
3 Bed House | 22 m | Est. Value: £373,518
- 6 Butleigh Avenue
3 Bed House | 32 m | Est. Value: £420,931
- 1 Butleigh Avenue
3 Bed House | 39 m | Est. Value: £473,514
Location Comparison
Our analysis of the public data ranks 18, Windway Avenue, Cardiff as the 2nd largest and the 2nd most expensive of the 34 addresses on Windway Avenue, Cardiff, CF5.
Against the CF5 postcode district average, it is £156k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Waun-Gron Park|600 m away
- Fairwater|1.2 km away
- Ninian Park|1.8 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.












