18 Blaencefn, Winch Wen, Swansea, SA1 7LF
About 18 Blaencefn
18 Blaencefn is a semi-detached house in Winch Wen, Swansea, Swansea (SA1 7LF). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (November 2023) shows a C (score 72). The recommended improvements would push it to B (score 85).
At 88 m² it's 18.1% larger than the typical home in the postcode (75 m² median across 14 EPCs). Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). Today's modelled estimate of £199,000 is 17.8% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£178/sq ft) was about 67.4% above the typical sold price in the postcode. Most recent transfer: January 2025 at £169,000.
Energy performance
EPC Rating
Certificate validity
Valid until 8 November 2033
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Planning history
18 Blaencefn has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
18 Blaencefn valuation sits well clear of the typical sold price in this postcode.
£199,000
Modelled from EPC, postcode comparables.
£169,000
Recorded with HM Land Registry.
Sales timeline
24 January 2025Most recent
£169,000
Median price across the last 5 sales in SA1 7LF: £123,000 (2025–2021).
Nearby sales in SA1 7LF
14 Blaencefn, Winch Wen, Swansea, SA1 7LF
Sold Apr 2025
£210,00032 Blaencefn, Winch Wen, Swansea, SA1 7LF
Sold Feb 2024
£122,00026 Blaencefn, Winch Wen, Swansea, SA1 7LF
Sold Dec 2023
£150,0003 Blaencefn, Winch Wen, Swansea, SA1 7LF
Sold Feb 2021
£74,00028 Blaencefn, Winch Wen, Swansea, SA1 7LF
Sold Oct 2020
£89,950
Versus other Blaencefn homes
EPC Rating for 18 Blaencefn runs comfortably ahead of the street norm.
Price per m²
£1,920
Street avg £1,464
Floor Area
88 m²
Street avg 88 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.6 t/year
Street avg 3.7 t/year
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The neighbourhood at a glance
Crime
580/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Lan Coed Spar — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







