77 Gwyn Street, Pontardawe, Swansea, SA8 3AN
About 77 Gwyn Street
77 Gwyn Street is a semi-detached house in Pontardawe, Swansea, Swansea (SA8 3AN). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (June 2020) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since August 2009. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Very Poor to Very Good and main heating went from Average to Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to C (score 80).
At 82 m² it's 20.4% smaller than the typical home in the postcode (103 m² median across 17 EPCs).
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
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Planning history
77 Gwyn Street has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
77 Gwyn Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£192,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA8 3AN: £194,000 (2025–2021).
Nearby sales in SA8 3AN
68 Gwyn Street, Pontardawe, Swansea, SA8 3AN
Sold Jul 2025
£317,50054 Gwyn Street, Pontardawe, Swansea, SA8 3AN
Sold Mar 2025
£194,00071 Gwyn Street, Pontardawe, Swansea, SA8 3AN
Sold Aug 2022
£208,00059 Gwyn Street, Pontardawe, Swansea, SA8 3AN
Sold Dec 2021
£150,00074 Gwyn Street, Pontardawe, Swansea, SA8 3AN
Sold May 2021
£190,000
Versus other Gwyn Street homes
Floor Area for 77 Gwyn Street lags the street by a wide margin.
EPC Rating
66 (D)
Street avg 66 (D)
Floor Area
82 m²
Street avg 111 m²
CO₂ Emissions
3.3 t/year
Street avg 4.4 t/year
Habitable Rooms
5 rooms
Street avg 6 rooms
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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
Gwyn Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







