20 Third Avenue, Clase, Swansea, SA6 7LT
About 20 Third Avenue
20 Third Avenue is a semi-detached house in Clase, Swansea, Swansea (SA6 7LT). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1950-1966 and council tax band A. At 43 m² this is the 7th smallest of 16 units on EPC record in the building, where floor areas span 41–84 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (April 2015) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 68). The latest certificate is from April 2015, so improvements made since then won't be reflected.
Energy performance
20 Third Avenue's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 26 Apr 2025
EPC Rating
Certificate validity
Expired on 26 April 2025
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Planning history
20 Third Avenue 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
20 Third Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£123,000
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 SA6 7LT: £80,000 (2024–2014).
Versus other Third Avenue homes
EPC Rating
51 (E)
Street avg 61 (D)
Floor Area
43 m²
Street avg 44 m²
CO₂ Emissions
3.4 t/year
Street avg 2.5 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
210/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Beacons View Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







