17 Griffith John Street, Swansea, SA1 2BW
About 17 Griffith John Street
17 Griffith John Street is a semi-detached house in Swansea (SA1 2BW). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1950-1966 and council tax band A. At 61 m² this is the 31st smallest of 45 units on EPC record in the building, where floor areas span 37–77 m². The building's EPC ratings span E to C across 45 units on file. The latest certificate (January 2016) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73). The latest certificate is from January 2016, so improvements made since then won't be reflected.
At 61 m² it's 18.4% larger than the typical home in the postcode (52 m² median across 44 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).
Everything you need to know about 17 Griffith John Street
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Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 Jan 2026
EPC Rating
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Planning history
17 Griffith John Street has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
17 Griffith John Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£103,000
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 2 sales in SA1 2BW: £48,500 (2023–2017).
Nearby sales in SA1 2BW
Versus other Griffith John Street homes
EPC Rating for 17 Griffith John Street lags the street by a wide margin.
EPC Rating
67 (D)
Street avg 72 (C)
Floor Area
61 m²
Street avg 53 m²
CO₂ Emissions
2.4 t/year
Street avg 1.9 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 17 Griffith John Street
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Gallivan`s — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.