3 Blaencefn, Winch Wen, Swansea, SA1 7LF
About 3 Blaencefn
3 Blaencefn is a semi-detached house in Winch Wen, Swansea, Swansea (SA1 7LF). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (March 2020) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 81), a 3-band jump.
Across 2001–2021, sale prices on this property compounded at 3.9% per year. Today's modelled estimate of £145,000 sits 95.9% above the 2021 sale of £74,000. At 67 m² it's 20% smaller than the typical home in the postcode (84 m² median across 14 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Sold February 2021 for £74,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
3 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
3 Blaencefn has more than doubled in price since the earliest registered sale in 2001.
£145,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.9% per year over 19 years.
£74,000
Growth on file: 3.9% per year over 19 years.
Sales timeline
2 February 2021Most recent
£74,000
+108.5%over 19 years13 September 2001
£35,500
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
£150,00021 Blaencefn, Winch Wen, Swansea, SA1 7LF
Sold Dec 2020
£170,00028 Blaencefn, Winch Wen, Swansea, SA1 7LF
Sold Oct 2020
£89,9509 Blaencefn, Winch Wen, Swansea, SA1 7LF
Sold Jan 2019
£98,500
Versus other Blaencefn homes
3 Blaencefn is notably below the street on epc rating.
Price per m²
£1,104
Street avg £1,580
Floor Area
67 m²
Street avg 90 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
4.5 t/year
Street avg 3.6 t/year
Similar properties nearby
1 Aeron Place, Bonymaen
SA1 7BY
1 Bryn Morfa, Winch Wen
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1 Buckingham Road, Bonymaen
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1 Carreg Cennen Gardens, Bonymaen
SA1 7DJ
1 Dartford Drive, Bonymaen
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1 Carew Place, Winch Wen
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1 Caerphilly Avenue, Bonymaen
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1 Cilgerran Place, Winch Wen
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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.







