4 First Avenue, Clase, Swansea, SA6 7LL
About 4 First Avenue
4 First Avenue is a detached house in Clase, Swansea, Swansea (SA6 7LL). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1967-1975 and council tax band A. At 49 m² this is the 5th smallest of 22 units on EPC record in the building, where floor areas span 44–99 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (June 2024) shows a C (score 72). When first surveyed in May 2014 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Average to Good.
At 49 m² it's 29% smaller than the typical home in the postcode (69 m² median across 21 EPCs).
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Wall insulation improved
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £495 · Includes VAT
Planning history
4 First 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
4 First Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£124,000
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 7LL: £100,000 (2023–2018).
Nearby sales in SA6 7LL
19 First Avenue, Clase, Swansea, SA6 7LL
Sold Oct 2023
£205,00016 First Avenue, Clase, Swansea, SA6 7LL
Sold Dec 2022
£100,00018 First Avenue, Clase, Swansea, SA6 7LL
Sold Jun 2019
£88,00020 First Avenue, Clase, Swansea, SA6 7LL
Sold Jun 2017
£70,00010 First Avenue, Clase, Swansea, SA6 7LL
Sold Dec 2008
£45,000
Versus other First Avenue homes
EPC Rating
72 (C)
Street avg 68 (D)
Floor Area
49 m²
Street avg 53 m²
CO₂ Emissions
1.7 t/year
Street avg 2.2 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Pengwern Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







