21 Clarence Court, Swansea, SA1 3QY
About 21 Clarence Court
21 Clarence Court is a semi-detached house in Swansea (SA1 3QY). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1991-1995 and council tax band B. At 37 m² this is the smallest unit on EPC record across the building (37–67 m²). The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (July 2025) shows a C (score 75), near the top of the C band. When first surveyed in October 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Average to Good and lighting went from Average to Very Good.
At 37 m² it sits well below the postcode median (53 m² across 55 EPCs), making it one of the more compact homes locally.
Everything you need to know about 21 Clarence Court
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
21 Clarence Court's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
21 Clarence Court 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
21 Clarence Court has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£113,000
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.
Versus other Clarence Court homes
21 Clarence Court is notably below the street on floor area.
EPC Rating
75 (C)
Street avg 75 (C)
Floor Area
37 m²
Street avg 52 m²
CO₂ Emissions
1.1 t/year
Street avg 1.1 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 21 Clarence 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

Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Swansea Bus Station Stand A — bus station.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






