17 Lan Deri, Winch Wen, Swansea, SA1 7LS
About 17 Lan Deri
17 Lan Deri is a semi-detached house in Winch Wen, Swansea, Swansea (SA1 7LS). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (August 2020) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump.
At 87 m² the property is well over the postcode median (66 m² across 16 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £182,000 sits 65.5% above the 2021 sale of £110,000. On a £-per-square-foot basis, the last sale (£117/sq ft) was about 20.5% below the postcode norm. Most recent transfer: January 2021 at £110,000. 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
17 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£182,000
Modelled from EPC, postcode comparables.
£110,000
Recorded with HM Land Registry.
Sales timeline
22 January 2021Most recent
£110,000
Median price across the last 5 sales in SA1 7LS: £155,000 (2025–2019).
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
£125,0005 Lan Deri, Winch Wen, Swansea, SA1 7LS
Sold May 2019
£117,000
Versus other Lan Deri homes
On price per m², 17 Lan Deri runs well behind the street norm.
Price per m²
£1,264
Street avg £1,583
Floor Area
87 m²
Street avg 71 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.3 t/year
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 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.







