20c, West Street, Gorseinon, Swansea, SA4 4AA
About 20c
20c is an end-of-terrace house in Gorseinon, Swansea, Swansea (SA4 4AA). It has a recorded floor area of 30 m² (around 323 sq ft), construction records dating it to 1996-2002 and council tax band A. At 30 m² this is the smallest unit on EPC record across the building (30–142 m²). The building's EPC ratings span G to C across 38 units on file. The latest certificate (August 2018) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 72).
At 30 m² it sits well below the postcode median (63 m² across 37 EPCs), making it one of the more compact homes locally.
Energy performance
20c's carbon output is low for the local stock.
EPC Rating
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Planning history
20c 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
20c has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£121,000
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
Floor Area for 20c lags the street by a wide margin.
EPC Rating
68 (D)
Street avg 71 (C)
Floor Area
30 m²
Street avg 55 m²
CO₂ Emissions
1.5 t/year
Street avg 1.9 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
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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.







