25 Heol Y Plas, Fforest, Pontarddulais, Swansea, SA4 0TY
About 25 Heol Y Plas
25 Heol Y Plas is a semi-detached house in Pontarddulais, Swansea, Swansea (SA4 0TY). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (August 2022) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2015. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Average. The recommended improvements would push it to C (score 79).
Across 1998–2020, sale prices on this property compounded at 6% per year. Today's modelled estimate of £230,000 is 48.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£167/sq ft) was about 31.4% above the typical sold price in the postcode. Sold August 2020 for £155,000.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
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Planning history
25 Heol Y Plas has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
25 Heol Y Plas has more than tripled in price since its earliest registered sale in 1998.
£230,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 22 years.
£155,000
Growth on file: 6.0% per year over 22 years.
Sales timeline
27 August 2020Most recent
£155,000
+260.5%over 22 years29 June 1998
£43,000
Median price across the last 5 sales in SA4 0TY: £238,000 (2025–2021).
Nearby sales in SA4 0TY
16a, Heol Y Plas, Fforest, Pontarddulais, Swansea, SA4 0TY
Sold Aug 2025
£380,00032 Heol Y Plas, Fforest, Pontarddulais, Swansea, SA4 0TY
Sold Jul 2025
£205,00034 Heol Y Plas, Fforest, Pontarddulais, Swansea, SA4 0TY
Sold Feb 2024
£282,00017 Heol Y Plas, Fforest, Pontarddulais, Swansea, SA4 0TY
Sold Jun 2021
£238,00020 Heol Y Plas, Fforest, Pontarddulais, Swansea, SA4 0TY
Sold Jan 2021
£160,000
Versus other Heol Y Plas homes
25 Heol Y Plas is notably below the street on habitable rooms.
Price per m²
£1,802
Street avg £2,019
Floor Area
86 m²
Street avg 98 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.7 t/year
Street avg 4.0 t/year
Similar properties nearby
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1 Clos Glyndwr, Hendy, Pontarddulais
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1 Llwyngwern, Hendy, Pontarddulais
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1 Llanedi Road, Fforest, Pontarddulais
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bird-in-Hand — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







