10 Blaencefn, Winch Wen, Swansea, SA1 7LF
About 10 Blaencefn
10 Blaencefn is a semi-detached house in Winch Wen, Swansea, Swansea (SA1 7LF). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (February 2017) shows an E (score 51), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2013. Between certificates, roof efficiency went from Average to Good. The recommended improvements would lift it to B (score 84), a 3-band jump.
At 100 m² the property is well over the postcode median (75 m² across 14 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Today's modelled estimate of £208,000 sits 55.2% above the 2014 sale of £134,000. On a £-per-square-foot basis, the last sale (£124/sq ft) was about 16.8% above the typical sold price in the postcode. Last sold in February 2014, so it's been off the market for around 12 years.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Roof insulation improved
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Planning history
10 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
10 Blaencefn valuation sits well clear of the typical sold price in this postcode.
£208,000
Modelled from EPC, postcode comparables.
£134,000
Recorded with HM Land Registry.
Sales timeline
28 February 2014Most recent
£134,000
Median price across the last 5 sales in SA1 7LF: £123,000 (2024–2020).
Nearby sales in SA1 7LF
32 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
£74,00021 Blaencefn, Winch Wen, Swansea, SA1 7LF
Sold Dec 2020
£170,00028 Blaencefn, Winch Wen, Swansea, SA1 7LF
Sold Oct 2020
£89,950
Versus other Blaencefn homes
On co₂ emissions, 10 Blaencefn runs well behind the street norm.
Price per m²
£1,340
Street avg £1,553
Floor Area
100 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
5.6 t/year
Street avg 3.5 t/year
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The neighbourhood at a glance
Crime
3/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.







