4a, Blackhill Road, Gorseinon, Swansea, SA4 4YJ
About 4a
4a is a semi-detached house in Gorseinon, Swansea, Swansea (SA4 4YJ). It has a recorded floor area of 78 m² (around 840 sq ft). The latest certificate (August 2019) returns a B (score 83), comfortably above the UK average. The recommended improvements would push it to A (score 96).
Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Today's modelled estimate of £210,000 is 35.5% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£185/sq ft) was about 41.4% above the typical sold price in the postcode. Last sale on file: £155,000 in October 2019.
Energy performance
4a's carbon output is low for the local stock.
EPC Rating
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Planning history
4a 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
4a valuation sits well clear of the typical sold price in this postcode.
£210,000
Modelled from EPC, postcode comparables.
£155,000
Recorded with HM Land Registry.
Sales timeline
10 October 2019Most recent
£155,000
Median price across the last 5 sales in SA4 4YJ: £141,000 (2025–2004).
Versus other Blackhill Road homes
4a outperforms the street on price per m² by a wide margin.
Price per m²
£1,987
Street avg £1,496
Floor Area
78 m²
Street avg 90 m²
CO₂ Emissions
1.2 t/year
Street avg 4.9 t/year
Years Held
7 years
Street avg 6 years
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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
Fernhill Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







