21 Clarence Embankment, Cardiff, CF10 5GR
About 21 Clarence Embankment
21 Clarence Embankment is an end-of-terrace house in Cardiff (CF10 5GR). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (July 2019) shows a D (score 56), a step below the typical UK home. When first surveyed in November 2009 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to C (score 74). Main heating runs on electricity. At 55 m² this is the 3rd smallest of 29 units on EPC record in the building, where floor areas span 35–139 m². The building's EPC ratings span E to C across 29 units on file.
At 55 m² it sits well below the postcode median (100 m² across 28 EPCs), making it one of the more compact homes locally.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Wall insulation upgraded
More low energy lighting installed
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
21 Clarence Embankment has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Clarence Embankment has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£175,000
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 CF10 5GR: £330,000 (2025–2023).
Nearby sales in CF10 5GR
9 Clarence Embankment, Cardiff, CF10 5GR
Sold Nov 2025
£330,00041 Clarence Embankment, Cardiff, CF10 5GR
Sold Sept 2024
£285,00049 Clarence Embankment, Cardiff, CF10 5GR
Sold Aug 2024
£360,00017 Clarence Embankment, Cardiff, CF10 5GR
Sold Apr 2024
£380,00055 Clarence Embankment, Cardiff, CF10 5GR
Sold Aug 2023
£220,000
Versus other Clarence Embankment homes
On epc rating, 21 Clarence Embankment stands well clear of the street.
EPC Rating
56 (D)
Street avg 49 (E)
Floor Area
55 m²
Street avg 42 m²
CO₂ Emissions
4.6 t/year
Street avg 4.2 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Clarence Embankment Waterbus Stop — ferry terminal.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







