25 Heol Dewi Sant, Penllergaer, Swansea, SA4 9BD
About 25 Heol Dewi Sant
25 Heol Dewi Sant is a three-bedroom semi-detached house in Penllergaer, Swansea, Swansea (SA4 9BD). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (May 2024) shows a C (score 73). The rating has held steady at C across 2 certificates since June 2012. Between certificates, roof efficiency went from Good to Very Good and lighting went from Poor to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to B (score 85). Other recorded features include a conservatory.
At 97 m² the property is well over the postcode median (65 m² across 30 EPCs), placing it in the larger end of the local stock. Across 2001–2019, sale prices on this property compounded at 7.1% per year. Today's modelled estimate of £208,000 is 43.4% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£139/sq ft) was about 61.4% above the typical sold price in the postcode. Most recent transfer: December 2019 at £145,000.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- ConservatoryYes
Outside
- Private gardenRear
- ParkingOff road
Energy performance
EPC Rating
Certificate validity
Valid until 16 May 2034
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
25 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
Sale price has grown by over 3x since 2001.
£208,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 18 years.
£145,000
Growth on file: 7.1% per year over 18 years.
Sales timeline
12 December 2019Most recent
£145,000
+28.3%over 6 years18 April 2013
£113,000
+169.4%over 11 years4 October 2001
£41,950
Median price across the last 5 sales in SA4 9BD: £109,000 (2025–2024).
Nearby sales in SA4 9BD
11 Heol Dewi Sant, Penllergaer, Swansea, SA4 9BD
Sold Nov 2025
£109,00019 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
£87,50020 Heol Dewi Sant, Penllergaer, Swansea, SA4 9BD
Sold Feb 2016
£66,000
Versus other Heol Dewi Sant homes
25 Heol Dewi Sant outperforms the street on epc rating by a wide margin.
Price per m²
£1,495
Street avg £1,214
Floor Area
97 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.8 t/year
Street avg 3.7 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
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.







