5 Islwyn Road, Mayhill, Swansea, SA1 6SS
About 5 Islwyn Road
5 Islwyn Road is a mid-terrace house in Mayhill, Swansea, Swansea (SA1 6SS). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (December 2012) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 88), a 2-band jump. The latest certificate is from December 2012, so improvements made since then won't be reflected.
Today's modelled estimate of £123,000 is 23% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£131/sq ft) was about 59.4% above the typical sold price in the postcode. Sold September 2022 for £100,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 5 Islwyn Road
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Dec 2022
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
5 Islwyn Road 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£123,000
Modelled from EPC, postcode comparables.
£100,000
Recorded with HM Land Registry.
Sales timeline
26 September 2022Most recent
£100,000
Median price across the last 5 sales in SA1 6SS: £88,500 (2024–2018).
Nearby sales in SA1 6SS
19 Islwyn Road, Mayhill, Swansea, SA1 6SS
Sold Aug 2024
£110,00012 Islwyn Road, Mayhill, Swansea, SA1 6SS
Sold Nov 2023
£132,00015 Islwyn Road, Mayhill, Swansea, SA1 6SS
Sold Sept 2019
£64,9959 Islwyn Road, Mayhill, Swansea, SA1 6SS
Sold Dec 2017
£82,00013 Islwyn Road, Mayhill, Swansea, SA1 6SS
Sold Mar 2017
£71,000
Versus other Islwyn Road homes
5 Islwyn Road is notably below the street on epc rating.
Price per m²
£1,408
Street avg £1,082
Floor Area
71 m²
Street avg 70 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.5 t/year
Street avg 2.9 t/year
Everything you need to know about 5 Islwyn Road
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
0.0 km
Islwyn Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






