Our Data Sources
21, Firs Avenue, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated February 2020.
We combine this information with public data 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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, Firs Avenue, Cardiff, we estimate a market value of £235,167 and a rental value of £1,531 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £208,291 and £1,356 per month respectively.
Energy Efficiency
21, Firs Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Feb 2020.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 21, Firs Avenue, Cardiff have sold within a radius of 570 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 12th January 2026, was 82, Firs Avenue, Cardiff, CF5 3TJ, a freehold house which sold for £212,000.
Read more about house prices in CF5.
- Sold Jan 2026£212,000 | 3 Bed House82, Firs Avenue, Cardiff, CF5 3TJ82, Firs Avenue, Cardiff, CF5 3TJ
- Sold Oct 2025£260,000 | 3 Bed House28, Firs Avenue, Cardiff, CF5 3TH28, Firs Avenue, Cardiff, CF5 3TH
- Sold May 2025£198,000 | 3 Bed House47, Shamrock Road, Cardiff, CF5 3TU47, Shamrock Road, Cardiff, CF5 3TU
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 124 addresses on Firs Avenue, Cardiff, CF5, 21, Firs Avenue, Cardiff comes out as the 99th largest and the 97th most expensive in our analysis of the public data.
It is also £64k less expensive than the average property across the CF5 district.
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Schools Nearby
Public Transport Nearby
- 1.3kmFairwater
- 1.6kmWaun-Gron Park
- 1.7kmDanescourt
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.












