31 Second Avenue, Clase, Swansea, SA6 7LN
About 31 Second Avenue
31 Second Avenue is an end-of-terrace house in Clase, Swansea, Swansea (SA6 7LN). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (October 2018) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (November 2012); the latest reading is one band lower. Between certificates, roof efficiency went from Poor to Good; while wall efficiency dropped from Average to Very Poor and lighting dropped from Average to Very Poor. The recommended improvements would lift it to C (score 71), a 2-band jump.
Across 1997–2019, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £117,000 sits 74.6% above the 2019 sale of £67,000. It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). Most recent transfer: March 2019 at £67,000.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
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Planning history
31 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
Sale price has at least doubled since 1997.
£117,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 22 years.
£67,000
Growth on file: 4.9% per year over 22 years.
Sales timeline
18 March 2019Most recent
£67,000
+44.1%over 6 years1 March 2013
£46,500
+93.8%over 15 years31 July 1997
£24,000
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
£82,00036 Second Avenue, Clase, Swansea, SA6 7LN
Sold Oct 2018
£80,50034 Second Avenue, Clase, Swansea, SA6 7LN
Sold Nov 2017
£75,000
Versus other Second Avenue homes
31 Second Avenue is notably below the street on habitable rooms.
Price per m²
£971
Street avg £1,077
Floor Area
69 m²
Street avg 73 m²
Habitable Rooms
1 rooms
Street avg 4 rooms
CO₂ Emissions
3.8 t/year
Street avg 3.9 t/year
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.







