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 13th smallest of 20 units on EPC record in the building, where floor areas span 40–82 m². The building's EPC ratings span E to B across 20 units on file.
Across 1997–2025, sale prices on this property compounded at 3.5% per year. Today's modelled estimate of £148,000 is 13.8% 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. Last sale on file: £130,000 in January 2025.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Everything you need to know about 9 Arethusa Quay
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Energy performance
9 Arethusa Quay's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 20 February 2029
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
28 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.
£148,000
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 £1,720
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
580/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.






