9 Arethusa Quay, Maritime Quarter, Swansea, SA1 3XH
About 9 Arethusa Quay
9 Arethusa Quay is a one-bedroom semi-detached house in Maritime Quarter, Swansea, Swansea (SA1 3XH). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (February 2019) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since January 2009. Between certificates, wall efficiency went from Average to Good and lighting went from Average to Very Good; while window efficiency dropped from Good to Average. At 52 m² this is the 12th smallest of 19 units on EPC record in the building, where floor areas span 40–82 m². The building's EPC ratings span E to B across 19 units on file.
It changed hands recently, sold January 2025 for £130,000. Across 1997–2025, sale prices on this property compounded at 3.5% per year. Today's modelled estimate of £153,000 is 17.7% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£232/sq ft) was about 91.2% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Everything you need to know about 9 Arethusa Quay
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
9 Arethusa Quay's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
More low energy lighting installed
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Planning history
9 Arethusa Quay has no planning applications on record.
But the area is active
29 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 1997.
£153,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 28 years.
£130,000
Growth on file: 3.5% per year over 28 years.
Sales timeline
24 January 2025Most recent
£130,000
+160.0%over 27 years24 April 1997
£50,000
Median price across the last 5 sales in SA1 3XH: £163,000 (2017–2003).
Nearby sales in SA1 3XH
28 Arethusa Quay, Maritime Quarter, Swansea, SA1 3XH
Sold Feb 2017
£163,0004 Arethusa Quay, Maritime Quarter, Swansea, SA1 3XH
Sold Oct 2016
£160,0007 Arethusa Quay, Maritime Quarter, Swansea, SA1 3XH
Sold Oct 2005
£175,00018 Arethusa Quay, Maritime Quarter, Swansea, SA1 3XH
Sold Sept 2003
£120,00027 Arethusa Quay, Maritime Quarter, Swansea, SA1 3XH
Sold Feb 2003
£94,000
Versus other Arethusa Quay homes
Years Held for 9 Arethusa Quay lags the street by a wide margin.
Price per m²
£2,500
Street avg £1,669
Floor Area
52 m²
Street avg 53 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.3 t/year
Street avg 1.7 t/year
Everything you need to know about 9 Arethusa Quay
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Marriott Hotel — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






