21, Allen Close
21, Allen Close
Description & Estimates
We do not yet hold enough data on 21, Allen Close, Cardiff to publish accurate value estimates.
Log in and add an accurate description to improve estimates in the area.
Sales and lets nearby suggest a likely sale value of £363k to £479k, with the monthly rental value between £1.6k and £1.8k.
Allen Close, Old St. Mellons, Cardiff, CF3 lies within the CF3 postal district.
Our Data Sources
21, Allen Close, Cardiff has no recent1 records in either the Land Registry or EPC database.
The local information is scored as 4 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Recent Market Change
Across the last 12 months, sale values in this area have decreased by 0.4% while rental values have increased by 2.8%.
Plot Size
21, Allen Close, Cardiff occupies a 298 m2 plot as recorded by HM Land Registry.
All 42 other houses in this postcode have recorded plot sizes, and this one ranks as the 23rd largest.
Sold Prices
21, Allen Close, Cardiff last changed hands on 16th December 2002, selling for £188,500. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
- Sold Dec 2002£188,500
- Sold Jun 1997£102,000
Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales within 700 metres of 21, Allen Close, Cardiff across the last 2 years.
Most recently, 31, Allen Close, Cardiff, CF3 5DH, a freehold house, sold at £418,500 on the 30th June 2025.
Read more about house prices in CF3.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Schools Nearby
Public Transport Nearby
Llanishen station is the nearest stop to 21, Allen Close, Cardiff at 5.1 kilometres away.
- 5.1kmLlanishen
- 5.2kmHeath High Level
- 5.3kmHeath Low Level
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.

