6a, Flat 1, West Street, Gorseinon, Swansea, SA4 4AA
About 6a
6a is a mid-terrace house in Gorseinon, Swansea, Swansea (SA4 4AA). It has a recorded floor area of 48 m² (around 517 sq ft) and construction records dating it to 1930-1949. The latest certificate (August 2023) shows a C (score 76), near the top of the C band. When first surveyed in December 2020 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Average to Good.
At 48 m² it's 23.8% smaller than the typical home in the postcode (63 m² median across 37 EPCs).
Everything you need to know about 6a
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Energy performance
6a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Wall insulation improved
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Planning history
6a has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
6a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£127,000
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 SA4 4AA: £143,000 (2025–2021).
Nearby sales in SA4 4AA
36 West Street, Gorseinon, Swansea, SA4 4AA
Sold Sept 2025
£225,0008a, West Street, Gorseinon, Swansea, SA4 4AA
Sold Nov 2023
£120,00037 West Street, Gorseinon, Swansea, SA4 4AA
Sold Apr 2022
£125,0006 West Street, Gorseinon, Swansea, SA4 4AA
Sold Jan 2022
£220,00030 West Street, Gorseinon, Swansea, SA4 4AA
Sold Aug 2021
£143,000
Versus other West Street homes
6a outperforms the street on co₂ emissions by a wide margin.
EPC Rating
76 (C)
Street avg 71 (C)
Floor Area
48 m²
Street avg 55 m²
CO₂ Emissions
1.3 t/year
Street avg 1.9 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 6a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Gorseinon Bus Station Stand 1 — bus station.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.