9 Llewellyn Circle, Mayhill, Swansea, SA1 6SN
About 9 Llewellyn Circle
9 Llewellyn Circle is a mid-terrace house in Mayhill, Swansea, Swansea (SA1 6SN). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (September 2013) shows an E (score 47), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since May 2011. Between certificates, window efficiency went from Poor to Good and lighting went from Very Poor to Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 83), a 3-band jump. The latest certificate is from September 2013, so improvements made since then won't be reflected.
It hasn't traded since September 2006, a hold of 20 years that's notably long for the area. Across 2002–2006, sale prices on this property compounded at 35.9% per year. Today's modelled estimate of £118,000 sits 57.3% above the 2006 sale of £75,000. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs).
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This certificate is over 10 years old and is no longer valid.Expired 23 Sept 2023
EPC Rating
Certificate validity
Expired on 23 September 2023
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
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Planning history
9 Llewellyn Circle has no planning applications on record.
But the area is active
61 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Price for 9 Llewellyn Circle has grown more than fourfold since the 2002 starting point.
£118,000
Modelled from EPC, postcode comparables and a sale-price growth of 35.9% per year over 5 years.
£75,000
Growth on file: 35.9% per year over 5 years.
Sales timeline
21 September 2006Most recent
£75,000
+316.7%over 4 years25 January 2002
£18,000
Median price across the last 5 sales in SA1 6SN: £130,000 (2025–2023).
Nearby sales in SA1 6SN
21 Llewellyn Circle, Mayhill, Swansea, SA1 6SN
Sold Aug 2025
£131,00018 Llewellyn Circle, Mayhill, Swansea, SA1 6SN
Sold Jul 2023
£130,00011 Llewellyn Circle, Mayhill, Swansea, SA1 6SN
Sold Jul 2023
£135,00014 Llewellyn Circle, Mayhill, Swansea, SA1 6SN
Sold Mar 2023
£100,00017a, Llewellyn Circle, Mayhill, Swansea, SA1 6SN
Sold Jun 2019
£95,000
Versus other Llewellyn Circle homes
EPC Rating for 9 Llewellyn Circle lags the street by a wide margin.
Price per m²
£949
Street avg £1,114
Floor Area
79 m²
Street avg 99 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
5.2 t/year
Street avg 4.8 t/year
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The neighbourhood at a glance
Crime
580/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Leakers Shops — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







