Model valuation£417,0008 Busby Close
Local market context
23 St Catherines Court, Maritime Quarter, Swansea, SA1 1SD
Property type
Semi-detached
Floor 03
Habitable rooms
4
From EPC
Floor area
106 m²
1141 sq ft
Energy rating
C
Score 80
Council tax
Band F
Tenure
Private Rental
About 23 St Catherines Court
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
23 St Catherines Court is a semi-detached house in Maritime Quarter, Swansea, Swansea (SA1 1SD). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 2007-2011 and council tax band F. The latest certificate (August 2022) shows a C (score 80), near the top of the C band. The rating has held steady at C across 3 certificates since March 2012. Between certificates, hot-water efficiency went from Poor to Average, lighting went from Average to Very Good and main heating went from Poor to Average. Main heating runs on electricity. At 106 m² this is the 46th 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.
At 106 m² the property is well over the postcode median (74 m² across 65 EPCs), placing it in the larger end of the local stock.
Before you decide
Everything you need to know about 23 St Catherines Court
The true value, the hidden risks and the full sale history, in one report.
Signs of HMO activity in the areaLarger development activity nearby
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 3)
Aug 2022
EPC Rating
A
B
C
C80
D
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Average
Windows
Good
CO2 Emissions
3.2 t/year
Occupancy
Rented
Certificate validity
Valid until 17 August 2032
Property Improvements
Changes detected from historical EPC data
Jul 2022from Mar 2012
EPC improved fromC72toB81
Heating System
Room HeatersStorage Heaters
Heating system upgraded to a more efficient system
Hot Water
PoorAverage
Hot water efficiency improved
Low Energy Lighting
38%100%
More low energy lighting installed
Aug 2022from Jul 2022
EPC improved fromB81toC80
Get a survey for this property
Level 3 Building Survey
21st century3rd Floor FlatEPC CNo mains gas
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
Applications and permits filed against 23 St Catherines Court, Maritime Quarter, Swansea, SA1 1SD, sourced from the PlanIt planning register.
23 St Catherines Court has no planning applications on record.
7
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
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
23 St Catherines Court has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
Current estimate
See how we calculated this£227,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA1 1SD: £190,000 (2026–2024).
Nearby sales in SA1 1SD
32 St Catherines Court, Maritime Quarter, Swansea, SA1 1SD
Sold Jan 2026
£160,00066 St Catherines Court, Maritime Quarter, Swansea, SA1 1SD
Sold Aug 2025
£190,0006 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
£315,000
Versus other St Catherines Court homes
Four headline reads against 47 similar flats on this street, drawn from the latest EPC and Land Registry data.
Habitable Rooms for 23 St Catherines Court runs comfortably ahead of the street norm.
EPC Rating
80 (C)
Street avg 77 (C)
Floor Area
106 m²
Street avg 71 m²
CO₂ Emissions
3.2 t/year
Street avg 2.3 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
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Start your researchSimilar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£241k
1 Camona Drive, Maritime Quarter
SA1 1YJ
2 bed
£204k
1 Castle Lofts, Castle Street
SA1 1HF
£193k
1 Highmoor, Maritime Quarter
SA1 1YE
£274k
1 St Vincent Crescent, Maritime Quarter
SA1 1YW
2 bed1 bath
£292k
1 Ocean Crescent, Maritime Quarter
SA1 1YZ
£175k
1 Patagonia Walk, Maritime Quarter
SA1 1XY
£300k
1 Fishermans Way, Maritime Quarter
SA1 1SU
1 bed
£169k
10 Abernethy Quay, Maritime Quarter
SA1 1UF
2 bed
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Swansea district page.
Crime
580/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.
Common questions
The questions buyers, sellers and homeowners most often ask about 23 St Catherines Court, Maritime Quarter, Swansea, SA1 1SD. Each answer is also embedded as structured data for search engines.