30 Gwili Terrace, Mayhill, Swansea, SA1 6TW
About 30 Gwili Terrace
30 Gwili Terrace is a semi-detached house in Mayhill, Swansea, Swansea (SA1 6TW). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (November 2024) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 87), a 2-band jump.
Most recent transfer was April 2025 at £125,000 — fresh data. At 84 m² it's 16.7% larger than the typical home in the postcode (72 m² median across 27 EPCs). Today's modelled estimate of £150,000 is 20% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£138/sq ft) was about 58.8% above the typical sold price in the postcode.
Everything you need to know about 30 Gwili Terrace
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 Rating
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Planning history
30 Gwili Terrace 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
30 Gwili Terrace valuation sits well clear of the typical sold price in this postcode.
£150,000
Modelled from EPC, postcode comparables.
£125,000
Recorded with HM Land Registry.
Sales timeline
30 April 2025Most recent
£125,000
Median price across the last 5 sales in SA1 6TW: £105,000 (2025–2019).
Nearby sales in SA1 6TW
29 Gwili Terrace, Mayhill, Swansea, SA1 6TW
Sold Aug 2025
£135,00025 Gwili Terrace, Mayhill, Swansea, SA1 6TW
Sold Nov 2024
£120,0002 Gwili Terrace, Mayhill, Swansea, SA1 6TW
Sold Mar 2021
£105,00031 Gwili Terrace, Mayhill, Swansea, SA1 6TW
Sold Mar 2021
£98,00019 Gwili Terrace, Mayhill, Swansea, SA1 6TW
Sold Sept 2019
£83,000
Versus other Gwili Terrace homes
On price per m², 30 Gwili Terrace stands well clear of the street.
Price per m²
£1,488
Street avg £1,007
Floor Area
84 m²
Street avg 76 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.5 t/year
Everything you need to know about 30 Gwili Terrace
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
Gors Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






