55 Derlwyn, Dunvant, Swansea, SA2 7QA
About 55 Derlwyn
55 Derlwyn is a detached house in Dunvant, Swansea, Swansea (SA2 7QA). 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 (July 2016) shows an E (score 46), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2014. Between certificates, roof efficiency went from Poor to Good, hot-water efficiency went from Poor to Average and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 84), a 3-band jump.
Energy performance
55 Derlwyn's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Jul 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Roof insulation improved
More low energy lighting installed
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Planning history
55 Derlwyn 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
55 Derlwyn has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£267,000
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 SA2 7QA: £201,000 (2024–2015).
Nearby sales in SA2 7QA
Versus other Derlwyn homes
55 Derlwyn is notably below the street on epc rating.
EPC Rating
46 (E)
Street avg 57 (D)
Floor Area
86 m²
Street avg 88 m²
CO₂ Emissions
6.0 t/year
Street avg 4.5 t/year
Habitable Rooms
5 rooms
Street avg 4 rooms
Similar properties nearby
1 Bron Y Bryn, Killay
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1 Byron Way, Killay
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1 Bryndolau, Dunvant
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1 Brynaeron Court, Dunvant
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1 Clyne Valley Cottages, Killay
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1 Brooklands Close, Dunvant
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1 Ash Grove, Killay
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1 Cowper Close, Killay
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Derlwyn West — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







