11 Heol Dewi Sant, Penllergaer, Swansea, SA4 9BD
About 11 Heol Dewi Sant
11 Heol Dewi Sant is a semi-detached house in Penllergaer, Swansea, Swansea (SA4 9BD). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (July 2025) shows an F (score 31), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 78), a 3-band jump. Main heating runs on electricity.
At 95 m² the property is well over the postcode median (65 m² across 30 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £171,000 sits 80% above the 2025 sale of £95,000. It changed hands recently, sold September 2025 for £95,000.
Energy performance
11 Heol Dewi Sant sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
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Planning history
11 Heol Dewi Sant 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
11 Heol Dewi Sant valuation sits well clear of the typical sold price in this postcode.
£171,000
Modelled from EPC, postcode comparables.
£95,000
Recorded with HM Land Registry.
Sales timeline
25 September 2025Most recent
£95,000
Median price across the last 5 sales in SA4 9BD: £145,000 (2025–2016).
Nearby sales in SA4 9BD
19 Heol Dewi Sant, Penllergaer, Swansea, SA4 9BD
Sold Oct 2025
£220,0007 Heol Dewi Sant, Penllergaer, Swansea, SA4 9BD
Sold Oct 2024
£200,00028 Heol Dewi Sant, Penllergaer, Swansea, SA4 9BD
Sold Sept 2024
£87,50025 Heol Dewi Sant, Penllergaer, Swansea, SA4 9BD
Sold Dec 2019
£145,00020 Heol Dewi Sant, Penllergaer, Swansea, SA4 9BD
Sold Feb 2016
£66,000
Versus other Heol Dewi Sant homes
11 Heol Dewi Sant is notably below the street on epc rating.
Price per m²
£1,000
Street avg £1,248
Floor Area
95 m²
Street avg 95 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.7 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
Heol Dewi Sant — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







