17a, Llewellyn Circle, Mayhill, Swansea, SA1 6SN
About 17a
17a is a three-bedroom detached house in Mayhill, Swansea, Swansea (SA1 6SN). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1996-2002 and council tax band C. The latest certificate (June 2023) shows a C (score 74). The rating has held steady at C across 2 certificates since February 2019. Between certificates, window efficiency went from Average to Good. The recommended improvements would push it to B (score 85). Records show the property has been extended at some point in its history.
Today's modelled estimate of £186,000 sits 95.8% above the 2019 sale of £95,000. Last sale on file: £95,000 in June 2019.
What this property has
Inside
- Bedrooms3
Outside
- ParkingOff road
Building
- Previously extendedYes
Everything you need to know about 17a
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
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Level 2 HomeBuyer Report
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Planning history
17a 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
17a valuation sits well clear of the typical sold price in this postcode.
£186,000
Modelled from EPC, postcode comparables.
£95,000
Recorded with HM Land Registry.
Sales timeline
27 June 2019Most recent
£95,000
Median price across the last 5 sales in SA1 6SN: £107,500 (2023–2017).
Nearby sales in SA1 6SN
18 Llewellyn Circle, Mayhill, Swansea, SA1 6SN
Sold Jul 2023
£130,00011 Llewellyn Circle, Mayhill, Swansea, SA1 6SN
Sold Jul 2023
£135,00021 Llewellyn Circle, Mayhill, Swansea, SA1 6SN
Sold May 2023
£107,00014 Llewellyn Circle, Mayhill, Swansea, SA1 6SN
Sold Mar 2023
£100,0002 Llewellyn Circle, Mayhill, Swansea, SA1 6SN
Sold Jun 2017
£107,500
Versus other Llewellyn Circle homes
On epc rating, 17a stands well clear of the street.
Price per m²
£990
Street avg £1,074
Floor Area
96 m²
Street avg 98 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.6 t/year
Street avg 5.0 t/year
Everything you need to know about 17a
The true value, the hidden risks and the full sale history, in one report.
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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
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.






