18 St Catherines Court, Maritime Quarter, Swansea, SA1 1SD
About 18 St Catherines Court
18 St Catherines Court is a mid-terrace house in Maritime Quarter, Swansea, Swansea (SA1 1SD). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (July 2021) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since May 2010. Between certificates, lighting dropped from Good to Average. The recommended improvements would push it to B (score 81). Main heating runs on electricity. At 66 m² this is the 21st smallest of 66 units on EPC record in the building, where floor areas span 28–202 m². The building's EPC ratings span D to B across 66 units on file.
Last sale on file: £150,000 in May 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 18 St Catherines Court
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
18 St Catherines Court has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
18 St Catherines Court's sale-price growth has lagged the wider UK trajectory across its history on file.
£157,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.1% per year over 16 years.
£150,000
Growth on file: -0.1% per year over 16 years.
Sales timeline
3 May 2022Most recent
£150,000
-2.2%over 15 years24 August 2006
£153,450
Median price across the last 5 sales in SA1 1SD: £222,500 (2025–2023).
Nearby sales in SA1 1SD
66 St Catherines Court, Maritime Quarter, Swansea, SA1 1SD
Sold Aug 2025
£150,0006 St Catherines Court, Maritime Quarter, Swansea, SA1 1SD
Sold May 2025
£155,00065 St Catherines Court, Maritime Quarter, Swansea, SA1 1SD
Sold Jan 2025
£222,50048 St Catherines Court, Maritime Quarter, Swansea, SA1 1SD
Sold Mar 2024
£315,00068 St Catherines Court, Maritime Quarter, Swansea, SA1 1SD
Sold Jan 2023
£225,675
Versus other St Catherines Court homes
18 St Catherines Court is notably below the street on years held.
Price per m²
£2,273
Street avg £2,377
Floor Area
66 m²
Street avg 72 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.3 t/year
Street avg 2.3 t/year
Everything you need to know about 18 St Catherines Court
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
Swansea Marina — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






