37 Granogwen Road, Mayhill, Swansea, SA1 6UN
About 37 Granogwen Road
37 Granogwen Road is a semi-detached house in Mayhill, Swansea, Swansea (SA1 6UN). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (July 2022) shows a C (score 72). When first surveyed in June 2014 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to B (score 88).
Today's modelled estimate of £118,000 sits 93.4% above the 2022 sale of £61,000. On a £-per-square-foot basis, the last sale (£98/sq ft) was about 69.8% above the typical sold price in the postcode. Most recent transfer: May 2022 at £61,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 37 Granogwen Road
The true value, the hidden risks and the full sale history, in one report.
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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
Roof insulation improved
More low energy lighting installed
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Planning history
37 Granogwen 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.
£118,000
Modelled from EPC, postcode comparables.
£61,000
Recorded with HM Land Registry.
Sales timeline
17 May 2022Most recent
£61,000
Median price across the last 5 sales in SA1 6UN: £85,000 (2025–2017).
Nearby sales in SA1 6UN
32 Granogwen Road, Mayhill, Swansea, SA1 6UN
Sold Feb 2025
£104,50016 Granogwen Road, Mayhill, Swansea, SA1 6UN
Sold Dec 2024
£85,00011 Granogwen Road, Mayhill, Swansea, SA1 6UN
Sold Dec 2020
£91,50043 Granogwen Road, Mayhill, Swansea, SA1 6UN
Sold Apr 2018
£70,0007 Granogwen Road, Mayhill, Swansea, SA1 6UN
Sold Aug 2016
£65,000
Versus other Granogwen Road homes
37 Granogwen Road outperforms the street on co₂ emissions by a wide margin.
Price per m²
£1,052
Street avg £1,079
Floor Area
58 m²
Street avg 69 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
1.9 t/year
Street avg 2.9 t/year
Everything you need to know about 37 Granogwen 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
0.1 km
Mayhill Post Office — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






