21 Kennerleigh Road, Cardiff, CF3 4BG
About 21 Kennerleigh Road
21 Kennerleigh Road is an end-of-terrace house in Cardiff (CF3 4BG). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1950-1966 and council tax band C. At 61 m² this is the 6th smallest of 39 units on EPC record in the building, where floor areas span 43–81 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (53 versus a best of 79). The latest certificate (March 2013) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump. The latest certificate is from March 2013, so improvements made since then won't be reflected.
At 61 m² it's 15.3% smaller than the typical home in the postcode (72 m² median across 38 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
21 Kennerleigh Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 Mar 2023
EPC Rating
Certificate validity
Expired on 10 March 2023
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Planning history
21 Kennerleigh Road has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
21 Kennerleigh Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£135,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CF3 4BG: £128,000 (2026–2025).
Nearby sales in CF3 4BG
Versus other Kennerleigh Road homes
EPC Rating for 21 Kennerleigh Road lags the street by a wide margin.
EPC Rating
53 (E)
Street avg 70 (C)
Floor Area
61 m²
Street avg 69 m²
CO₂ Emissions
3.8 t/year
Street avg 2.4 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Llanrumney Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







