3 Heol Y Twyn, Pontlliw, Swansea, SA4 9EU
About 3 Heol Y Twyn
3 Heol Y Twyn is a mid-terrace house in Pontlliw, Swansea, Swansea (SA4 9EU). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (March 2025) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 88), a 2-band jump.
Untraded for 24 years, with the last transfer in January 2002. Across 1996–2002, sale prices on this property compounded at -4.3% per year. Today's modelled estimate of £140,000 sits 317.9% above the 2002 sale of £33,500. On a £-per-square-foot basis, the last sale (£41/sq ft) was about 68.4% below the postcode norm.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
3 Heol Y Twyn has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
3 Heol Y Twyn's estimated value is more than triple its earliest registered sale price (1996).
£140,000
Modelled from EPC, postcode comparables and a sale-price growth of -4.3% per year over 6 years.
£33,500
Growth on file: -4.3% per year over 6 years.
Sales timeline
16 January 2002Most recent
£33,500
-22.1%over 5 years28 May 1996
£43,000
Median price across the last 5 sales in SA4 9EU: £142,500 (2025–2022).
Nearby sales in SA4 9EU
21 Heol Y Twyn, Pontlliw, Swansea, SA4 9EU
Sold Apr 2025
£128,00018 Heol Y Twyn, Pontlliw, Swansea, SA4 9EU
Sold Dec 2024
£165,00122 Heol Y Twyn, Pontlliw, Swansea, SA4 9EU
Sold Apr 2024
£164,00038 Heol Y Twyn, Pontlliw, Swansea, SA4 9EU
Sold Mar 2024
£136,0001 Heol Y Twyn, Pontlliw, Swansea, SA4 9EU
Sold Oct 2022
£142,500
Versus other Heol Y Twyn homes
3 Heol Y Twyn is notably below the street on price per m².
Price per m²
£441
Street avg £1,774
Floor Area
76 m²
Street avg 70 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 3.3 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Post Office — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







