11 Lon Y Wern, Alltwen, Pontardawe, Swansea, SA8 3BJ
About 11 Lon Y Wern
11 Lon Y Wern is a semi-detached house in Pontardawe, Swansea, Swansea (SA8 3BJ). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (October 2022) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 89), a 2-band jump.
Across 2003–2023, sale prices on this property compounded at 3% per year. Today's modelled estimate of £195,000 is 42.9% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£181/sq ft) was about 56% above the typical sold price in the postcode. At 70 m² it's 16.7% smaller than the typical home in the postcode (84 m² median across 10 EPCs). Most recent transfer: March 2023 at £136,500.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
11 Lon Y Wern has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
11 Lon Y Wern valuation sits well clear of the typical sold price in this postcode.
£195,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.0% per year over 20 years.
£136,500
Growth on file: 3.0% per year over 20 years.
Sales timeline
26 March 2023Most recent
£136,500
+7.5%over 16 years12 January 2007
£127,000
+64.9%over 3 years6 August 2003
£77,000
Median price across the last 5 sales in SA8 3BJ: £166,000 (2025–2018).
Nearby sales in SA8 3BJ
41 Lon Y Wern, Alltwen, Pontardawe, Swansea, SA8 3BJ
Sold Feb 2025
£287,50025 Lon Y Wern, Alltwen, Pontardawe, Swansea, SA8 3BJ
Sold Dec 2024
£130,00034 Lon Y Wern, Alltwen, Pontardawe, Swansea, SA8 3BJ
Sold Nov 2024
£240,0003 Lon Y Wern, Alltwen, Pontardawe, Swansea, SA8 3BJ
Sold Mar 2021
£166,00026 Lon Y Wern, Alltwen, Pontardawe, Swansea, SA8 3BJ
Sold Mar 2018
£140,000
Versus other Lon Y Wern homes
11 Lon Y Wern is notably below the street on floor area.
Price per m²
£1,950
Street avg £1,805
Floor Area
70 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 4.5 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Heol-y-Parc — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







