21 Heol Y Waun, Pontlliw, Swansea, SA4 9EL
About 21 Heol Y Waun
21 Heol Y Waun is a three-bedroom semi-detached house in Pontlliw, Swansea, Swansea (SA4 9EL). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (May 2014) shows a C (score 70). The recommended improvements would push it to B (score 87). The latest certificate is from May 2014, so improvements made since then won't be reflected.
Today's modelled estimate of £194,000 is 38.6% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£188/sq ft) was about 33.9% above the typical sold price in the postcode. Last sale on file: £140,000 in September 2020.
What this property has
Inside
- Bedrooms3
Energy performance
21 Heol Y Waun's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 May 2024
EPC Rating
Certificate validity
Expired on 14 May 2024
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Planning history
21 Heol Y Waun 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
21 Heol Y Waun's sale-price growth has lagged the wider UK trajectory across its history on file.
£194,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.1% per year over 14 years.
£140,000
Growth on file: -0.1% per year over 14 years.
Sales timeline
24 September 2020Most recent
£140,000
+3.7%over 14 years21 September 2006
£135,000
-5.6%22 June 2006
£142,999
Median price across the last 5 sales in SA4 9EL: £225,000 (2026–2023).
Nearby sales in SA4 9EL
20 Heol Y Waun, Pontlliw, Swansea, SA4 9EL
Sold May 2026
£225,00011 Heol Y Waun, Pontlliw, Swansea, SA4 9EL
Sold Dec 2024
£240,00031 Heol Y Waun, Pontlliw, Swansea, SA4 9EL
Sold Jun 2024
£250,0006 Heol Y Waun, Pontlliw, Swansea, SA4 9EL
Sold May 2024
£167,50022 Heol Y Waun, Pontlliw, Swansea, SA4 9EL
Sold Feb 2023
£195,000
Versus other Heol Y Waun homes
21 Heol Y Waun is notably below the street on floor area.
Price per m²
£2,029
Street avg £2,014
Floor Area
69 m²
Street avg 89 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.3 t/year
Street avg 3.2 t/year
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The neighbourhood at a glance
Crime
160/mo
Falling 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.







