31 Eigen Crescent, Mayhill, Swansea, SA1 6LB
About 31 Eigen Crescent
31 Eigen Crescent is a semi-detached house in Mayhill, Swansea, Swansea (SA1 6LB). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (January 2014) shows a C (score 71). The rating has held steady at C across 3 certificates since November 2013. Between certificates, lighting went from Poor to Very Good; while roof efficiency dropped from Good to Poor. The recommended improvements would push it to B (score 86). The latest certificate is from January 2014, so improvements made since then won't be reflected.
Its energy rating outperforms most of the postcode (better than 73% of similar EPCs).
Everything you need to know about 31 Eigen Crescent
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
31 Eigen Crescent's EPC is over a decade old — improvements since won't be reflected.
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This certificate is over 10 years old and is no longer valid.Expired 24 Jan 2024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
More low energy lighting installed
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Planning history
31 Eigen Crescent has no planning applications on record.
But the area is active
64 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
31 Eigen Crescent has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£137,000
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 SA1 6LB: £110,000 (2025–2021).
Nearby sales in SA1 6LB
21 Eigen Crescent, Mayhill, Swansea, SA1 6LB
Sold Oct 2025
£112,00019 Eigen Crescent, Mayhill, Swansea, SA1 6LB
Sold May 2025
£150,00041 Eigen Crescent, Mayhill, Swansea, SA1 6LB
Sold Feb 2023
£82,00027 Eigen Crescent, Mayhill, Swansea, SA1 6LB
Sold Sept 2022
£110,00045 Eigen Crescent, Mayhill, Swansea, SA1 6LB
Sold Oct 2021
£65,000
Versus other Eigen Crescent homes
31 Eigen Crescent outperforms the street on epc rating by a wide margin.
EPC Rating
71 (C)
Street avg 62 (D)
Floor Area
72 m²
Street avg 70 m²
CO₂ Emissions
2.4 t/year
Street avg 3.1 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Everything you need to know about 31 Eigen Crescent
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Teilo Crescent — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






