1 Eigen Crescent, Mayhill, Swansea, SA1 6LB
About 1 Eigen Crescent
1 Eigen Crescent is a semi-detached house in Mayhill, Swansea, Swansea (SA1 6LB). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (May 2020) shows a C (score 71). When first surveyed in January 2014 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Average to Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 82).
Today's modelled estimate of £146,000 sits 143.4% above the 2014 sale of £59,995. On a £-per-square-foot basis, the last sale (£68/sq ft) was about 24.3% below the postcode norm. At 82 m² it's 15.1% larger than the typical home in the postcode (71 m² median across 22 EPCs). Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). 12 years since the last transfer (April 2014).
Everything you need to know about 1 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

Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded to triple glazing
Cavity wall insulation installed
Roof insulation improved
Floor insulation added or improved
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £495 · Includes VAT
Planning history
1 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
1 Eigen Crescent valuation sits well clear of the typical sold price in this postcode.
£146,000
Modelled from EPC, postcode comparables.
£59,995
Recorded with HM Land Registry.
Sales timeline
16 April 2014Most recent
£59,995
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
On price per m², 1 Eigen Crescent runs well behind the street norm.
Price per m²
£732
Street avg £1,255
Floor Area
82 m²
Street avg 69 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.3 t/year
Street avg 3.1 t/year
Everything you need to know about 1 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

Similar properties nearby
1 2, Flat 1, St James Crescent
SA1 6DZ
1 2, Flat 4, Brooklands Terrace
SA1 6BS
1 Carig Crescent, Mayhill
SA1 6TQ
1 2, Flat 5, Brooklands Terrace
SA1 6BS
1 Cadrawd Road, Mayhill
SA1 6UG
1 2, Flat 8, Brooklands Terrace
SA1 6BS
1 Berw Road, Mayhill
SA1 6UD
1 2, Flat 4, St James Crescent
SA1 6DZ
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.






