19 First Avenue, Clase, Swansea, SA6 7LL
About 19 First Avenue
19 First Avenue is a detached house in Clase, Swansea, Swansea (SA6 7LL). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (December 2019) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump.
At 99 m² the property is well over the postcode median (68 m² across 21 EPCs), placing it in the larger end of the local stock. Across 2000–2023, sale prices on this property compounded at 6.5% per year. On a £-per-square-foot basis, the last sale (£192/sq ft) was about 133.4% above the typical sold price in the postcode. Last sale on file: £205,000 in October 2023.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
19 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
Latest sale on 19 First Avenue was the highest on Land Registry record across the postcode.
£211,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 23 years.
£205,000
Growth on file: 6.5% per year over 23 years.
Sales timeline
22 October 2023Most recent
£205,000
+57.7%over 2 years22 October 2020
£130,000
+176.6%over 20 years3 August 2000
£47,000
Median price across the last 5 sales in SA6 7LL: £70,000 (2022–2016).
Versus other First Avenue homes
19 First Avenue outperforms the street on price per m² by a wide margin.
Price per m²
£2,071
Street avg £1,183
Floor Area
99 m²
Street avg 72 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
4.5 t/year
Street avg 3.4 t/year
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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.







