23 Second Avenue, Clase, Swansea, SA6 7LN
About 23 Second Avenue
23 Second Avenue is a mid-terrace house in Clase, Swansea, Swansea (SA6 7LN). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (April 2013) shows an E (score 42), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since October 2008. Between certificates, lighting went from Very Poor to Good and main heating went from Average to Good. The recommended improvements would lift it to B (score 88), a 3-band jump. The latest certificate is from April 2013, so improvements made since then won't be reflected.
It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 29 Apr 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
23 Second 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
23 Second Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£115,000
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 7LN: £104,000 (2025–2019).
Nearby sales in SA6 7LN
5 Second Avenue, Clase, Swansea, SA6 7LN
Sold Sept 2025
£120,00025 Second Avenue, Clase, Swansea, SA6 7LN
Sold Apr 2022
£105,00044 Second Avenue, Clase, Swansea, SA6 7LN
Sold Dec 2021
£82,00031 Second Avenue, Clase, Swansea, SA6 7LN
Sold Mar 2019
£67,00036 Second Avenue, Clase, Swansea, SA6 7LN
Sold Oct 2018
£80,500
Versus other Second Avenue homes
Floor Area for 23 Second Avenue lags the street by a wide margin.
EPC Rating
42 (E)
Street avg 58 (D)
Floor Area
63 m²
Street avg 73 m²
CO₂ Emissions
5.0 t/year
Street avg 3.9 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 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.







