Our Data Sources
9, Ullswater Avenue, Cardiff has 2 entries in the Land Registry, most recently in February 2025 and a single entry in the EPC database dated September 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 9, Ullswater Avenue, Cardiff would be worth £609,103, with a potential rental value of £1,730 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £539,491, with a rental value of £1,533 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
9, Ullswater Avenue, Cardiff occupies a 219 m2 plot as recorded by HM Land Registry.
All 20 other houses in this postcode have recorded plot sizes, and this one ranks as the 17th largest.
Energy Efficiency
9, Ullswater Avenue, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 18 Sep 2024.
The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
9, Ullswater Avenue, Cardiff last changed hands on 21st February 2025, selling for £575,000. 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 8.2% since February 2025.
- Sold Feb 2025£575,000
- Sold Sep 2014£280,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 90 sales of comparable properties within 660 metres of 9, Ullswater Avenue, Cardiff since 2010.
Most recently, 6, Heath Park Avenue, Cardiff, CF14 3RH, a freehold house, sold at £537,000 on the 29th May 2026.
Read more about house prices in CF23.
- Sold May 2026£537,000 | 4 Bed House6, Heath Park Avenue, Cardiff, CF14 3RH6, Heath Park Avenue, Cardiff, CF14 3RH
- Sold Dec 2025£525,000 | 4 Bed House25, Windermere Avenue, Cardiff, CF23 5PQ25, Windermere Avenue, Cardiff, CF23 5PQ
- Sold Nov 2025£595,000 | 4 Bed House14, Windermere Avenue, Cardiff, CF23 5PQ14, Windermere Avenue, Cardiff, CF23 5PQ
- Sold Sep 2025£615,000 | 4 Bed House2, Grasmere Avenue, Cardiff, CF23 5PW2, Grasmere Avenue, Cardiff, CF23 5PW
- Sold Jun 2025£650,000 | 4 Bed House33, Lake Road West, Cardiff, CF23 5PG33, Lake Road West, Cardiff, CF23 5PG
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 £564,147, ranging from £454,289 to £787,818.
- 11 Ullswater Avenue
4 Bed House | 6 m | Est. Value: £506,590
- 13 Ullswater Avenue
4 Bed House | 14 m | Est. Value: £482,755
- 15 Ullswater Avenue
4 Bed House | 20 m | Est. Value: £554,143
- 17 Ullswater Avenue
4 Bed House | 27 m | Est. Value: £558,523
- 10 Ullswater Avenue
4 Bed House | 30 m | Est. Value: £502,375
Location Comparison
Our analysis of the public data ranks 9, Ullswater Avenue, Cardiff as the 10th largest and the 11th most expensive of the 20 addresses on Ullswater Avenue, Cardiff, CF23.
Against the CF23 postcode district average, it is £216k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Heath Low Level|1.1 km away
- Heath High Level|1.2 km away
- Cathays|1.9 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
