Our Data Sources
21, Mayflower Avenue, Cardiff has 2 entries in the Land Registry , most recently in October 2015 and a single entry in the EPC database dated October 2008.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 21, Mayflower Avenue, Cardiff would be worth £357,285, with a potential rental value of £1,798 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £316,453, with a rental value of £1,592 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Mayflower Avenue, Cardiff occupies a 241 m2 plot as recorded by HM Land Registry.
All 15 other houses in this postcode have recorded plot sizes, and this one ranks as the 14th largest.
Energy Efficiency
21, Mayflower Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 07 Oct 2008.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
21, Mayflower Avenue, Cardiff last changed hands on 29th October 2015, selling for £243,000. 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 risen by 69.4% since October 2015.
- Sold Oct 2015£243,000
- Sold Jul 2009£149,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 224 sales of comparable properties within 610 metres of 21, Mayflower Avenue, Cardiff across the last 2 years.
Most recently, 16, Mayflower Avenue, Cardiff, CF14 5HQ, a freehold house, sold at £200,000 on the 20th August 2025.
Read more about house prices in CF14.
- Sold Aug 2025£200,000 | 3 Bed House16, Mayflower Avenue, Cardiff, CF14 5HQ16, Mayflower Avenue, Cardiff, CF14 5HQ
- Sold Oct 2023£320,000 | 3 Bed House30, Edgehill Avenue, Cardiff, CF14 5HL30, Edgehill Avenue, Cardiff, CF14 5HL
- Sold Sep 2022£365,000 | 3 Bed House13, Cornfield Close, Cardiff, CF14 5HS13, Cornfield Close, Cardiff, CF14 5HS
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 21, Mayflower Avenue, Cardiff as the 47th largest and the 36th most expensive of the 78 addresses on Mayflower Avenue, Llanishen, Cardiff, CF14.
Against the CF14 postcode district average, it is £32k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Birchgrove|1.3 km away
- Ty Glas|1.5 km away
- Rhiwbina|1.5 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
