12 First Avenue, Clase, Swansea, SA6 7LL
About 12 First Avenue
12 First Avenue is a mid-terrace house in Clase, Swansea, Swansea (SA6 7LL). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (June 2014) shows an E (score 42), 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 June 2014, so improvements made since then won't be reflected.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
12 First Avenue 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This certificate is over 10 years old and is no longer valid.Expired 30 Jun 2024
EPC Rating
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
12 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
12 First Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£119,000
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 for 12 First Avenue lags the street by a wide margin.
EPC Rating
42 (E)
Street avg 62 (D)
Floor Area
68 m²
Street avg 75 m²
CO₂ Emissions
5.3 t/year
Street avg 3.4 t/year
Habitable Rooms
5 rooms
Street avg 5 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.







