19 Gwyndy Road, Bonymaen, Swansea, SA1 7AJ
About 19 Gwyndy Road
19 Gwyndy Road is a semi-detached house in Bonymaen, Swansea, Swansea (SA1 7AJ). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (January 2014) shows an F (score 35), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since June 2013. Between certificates, window efficiency went from Average to Good; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 87), a 4-band jump. The latest certificate is from January 2014, so improvements made since then won't be reflected.
It hasn't traded since April 2002, a hold of 24 years that's notably long for the area. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £136,000 sits 907.4% above the 2002 sale of £13,500.
Energy performance
19 Gwyndy Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Jan 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Window efficiency improved
Ventilation system changed
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Planning history
19 Gwyndy Road 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
19 Gwyndy Road's modelled value sits at over four times its earliest registered sale price (2002).
£136,000
Modelled from EPC, postcode comparables.
£13,500
Recorded with HM Land Registry.
Sales timeline
28 April 2002Most recent
£13,500
Median price across the last 4 sales in SA1 7AJ: £23,225 (2022–2000).
Versus other Gwyndy Road homes
19 Gwyndy Road is notably below the street on epc rating.
EPC Rating
35 (F)
Street avg 62 (D)
Floor Area
91 m²
Street avg 79 m²
CO₂ Emissions
7.5 t/year
Street avg 4.0 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Similar properties nearby
1 Carew Place, Winch Wen
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1 Carreg Cennen Gardens, Bonymaen
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1 Dartford Drive, Bonymaen
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1 Caerphilly Avenue, Bonymaen
SA1 7HY
1 Cilgerran Place, Winch Wen
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1 Buckingham Road, Bonymaen
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1 Candleston Place, Bonymaen
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1 Criccieth Place, Winch Wen
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Gwyndy Stores — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







