Our Data Sources
1, Speedwell Close, Cardiff has a single entry in the Land Registry from October 2025 and a single entry in the EPC database dated April 2022.
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 1, Speedwell Close, Cardiff would be worth £552,523, with a potential rental value of £2,156 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £489,377, with a rental value of £1,910 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
1, Speedwell Close, Cardiff occupies a 291 m2 plot as recorded by HM Land Registry.
All 24 other houses in this postcode have recorded plot sizes, and this one ranks as the 4th largest.
Energy Efficiency
1, Speedwell Close, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 26 Apr 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
1, Speedwell Close, Cardiff last changed hands on 6th October 2025, selling for £565,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 13.5% since October 2025.
- Sold Oct 2025£565,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 41 sales of comparable properties within 690 metres of 1, Speedwell Close, Cardiff across the last 2 years.
Most recently, 4, Cottingham Drive, Cardiff, CF23 8QG, a freehold house, sold at £535,000 on the 16th February 2023.
Read more about house prices in CF23.
- Sold Feb 2023£535,000 | 5 Bed House4, Cottingham Drive, Cardiff, CF23 8QG4, Cottingham Drive, Cardiff, CF23 8QG
- Sold Sep 2019£373,000 | 4 Bed House7, Speedwell Close, Cardiff, CF23 8QF7, Speedwell Close, Cardiff, CF23 8QF
- Sold Jul 2014£340,000 | 5 Bed House27, Speedwell Close, Cardiff, CF23 8QF27, Speedwell Close, Cardiff, CF23 8QF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 1, Speedwell Close, Cardiff as the 2nd largest and the 3rd most expensive of the 24 addresses on Speedwell Close, Pontprennau, Cardiff, CF23.
Against the CF23 postcode district average, it is £164k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llanishen|3.5 km away
- Heath High Level|3.8 km away
- Heath Low Level|3.9 km away
Available Internet Speeds
Ofcom's latest figures show poor internet coverage in this area, which may mean weak or no connectivity.
According to recent data from Ofcom, Slow/none Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
