3 Lon Y Wern, Alltwen, Pontardawe, Swansea, SA8 3BJ
About 3 Lon Y Wern
3 Lon Y Wern is a three-bedroom semi-detached house in Pontardawe, Swansea, Swansea (SA8 3BJ). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (October 2020) shows a C (score 71). The recommended improvements would push it to B (score 84).
On energy efficiency it sits in the top 10% of properties in this postcode. Across 2007–2021, sale prices on this property compounded at 2.5% per year. Today's modelled estimate of £247,000 is 48.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£175/sq ft) was about 51.6% above the typical sold price in the postcode. Most recent transfer: March 2021 at £166,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
Outside
- Private gardenRear
- DrivewayYes
Building
- Heating systemGas
- RefurbishedYes
Energy performance
3 Lon Y Wern ranks among the most efficient homes in the postcode for energy use.
EPC Rating
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Planning history
3 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£247,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.5% per year over 14 years.
£166,000
Growth on file: 2.5% per year over 14 years.
Sales timeline
1 March 2021Most recent
£166,000
+40.7%over 13 years11 July 2007
£118,000
Median price across the last 5 sales in SA8 3BJ: £140,000 (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
£240,00011 Lon Y Wern, Alltwen, Pontardawe, Swansea, SA8 3BJ
Sold Mar 2023
£136,50026 Lon Y Wern, Alltwen, Pontardawe, Swansea, SA8 3BJ
Sold Mar 2018
£140,000
Versus other Lon Y Wern homes
On epc rating, 3 Lon Y Wern stands well clear of the street.
Price per m²
£1,886
Street avg £1,812
Floor Area
88 m²
Street avg 86 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.0 t/year
Street avg 4.6 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.







