15 Islwyn Road, Mayhill, Swansea, SA1 6SS
About 15 Islwyn Road
15 Islwyn Road is a mid-terrace house in Mayhill, Swansea, Swansea (SA1 6SS). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (February 2021) shows a C (score 73). When first surveyed in June 2019 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 90).
Today's modelled estimate of £131,000 sits 101.6% above the 2019 sale of £64,995. Most recent transfer: September 2019 at £64,995.
Everything you need to know about 15 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

Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Loft insulation upgraded to recommended levels
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
15 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
15 Islwyn Road valuation sits well clear of the typical sold price in this postcode.
£131,000
Modelled from EPC, postcode comparables.
£64,995
Recorded with HM Land Registry.
Sales timeline
19 September 2019Most recent
£64,995
Median price across the last 5 sales in SA1 6SS: £100,000 (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
£132,0005 Islwyn Road, Mayhill, Swansea, SA1 6SS
Sold Sept 2022
£100,0009 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
EPC Rating for 15 Islwyn Road runs comfortably ahead of the street norm.
Price per m²
£929
Street avg £1,151
Floor Area
70 m²
Street avg 70 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.1 t/year
Street avg 3.0 t/year
Everything you need to know about 15 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

Similar properties nearby
1 2, Flat 6, St James Crescent
SA1 6DZ
1 2, Flat 3, Brooklands Terrace
SA1 6BS
1 Caradog Place, Townhill
SA1 6NH
1 2, Flat 3, St James Crescent
SA1 6DZ
1 Alun Road, Mayhill
SA1 6UE
1 Bryn Y Don Road
SA1 6YA
1 2, Flat 7, Brooklands Terrace
SA1 6BS
1 2, Flat 5, St James Crescent
SA1 6DZ
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.






