21 Lan Deri, Winch Wen, Swansea, SA1 7LS
About 21 Lan Deri
21 Lan Deri is a semi-detached house in Winch Wen, Swansea, Swansea (SA1 7LS). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (January 2019) shows a D (score 55), a step below the typical UK home. The recommended improvements would lift it to B (score 84), a 2-band jump.
Today's modelled estimate of £182,000 is 45.6% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£176/sq ft) was about 23% above the typical sold price in the postcode. Last sale on file: £125,000 in February 2019.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
21 Lan Deri 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
21 Lan Deri valuation sits well clear of the typical sold price in this postcode.
£182,000
Modelled from EPC, postcode comparables.
£125,000
Recorded with HM Land Registry.
Sales timeline
28 February 2019Most recent
£125,000
Median price across the last 5 sales in SA1 7LS: £155,000 (2025–2021).
Nearby sales in SA1 7LS
16 Lan Deri, Winch Wen, Swansea, SA1 7LS
Sold Aug 2025
£157,00026 Lan Deri, Winch Wen, Swansea, SA1 7LS
Sold Nov 2022
£180,0003 Lan Deri, Winch Wen, Swansea, SA1 7LS
Sold Feb 2022
£155,00022 Lan Deri, Winch Wen, Swansea, SA1 7LS
Sold Nov 2021
£125,00017 Lan Deri, Winch Wen, Swansea, SA1 7LS
Sold Jan 2021
£110,000
Versus other Lan Deri homes
EPC Rating for 21 Lan Deri lags the street by a wide margin.
Price per m²
£1,894
Street avg £1,535
Floor Area
66 m²
Street avg 73 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.9 t/year
Street avg 3.3 t/year
Similar properties nearby
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Colwyn Avenue Middle — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







