Flat 1, 23 Clare Street, Cardiff, CF11 6BD
About Flat 1
Flat 1 is a mid-terrace house in Cardiff (CF11 6BD). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1900-1929 and council tax band B. At 37 m² this is the 3rd smallest of 4 units on EPC record in the building, where floor areas span 32–68 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (February 2025) shows a C (score 73). The rating has held steady at C across 2 certificates since February 2014. Between certificates, lighting went from Good to Very Good.
At 37 m² it sits well below the postcode median (55 m² across 20 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs).
Everything you need to know about Flat 1
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Flat 1's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Flat 1 has no planning applications on record.
But the area is active
12 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Flat 1 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£122,000
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 CF11 6BD: £85,000 (2018–2018).
Nearby sales in CF11 6BD
Flat 3, 39 Clare Street, Cardiff, CF11 6BD
Sold Apr 2018
£65,000Flat 2, 39 Clare Street, Cardiff, CF11 6BD
Sold Apr 2018
£85,000Flat 4, 39 Clare Street, Cardiff, CF11 6BD
Sold Apr 2018
£65,000Flat 1, 39 Clare Street, Cardiff, CF11 6BD
Sold Apr 2018
£85,00027 Clare Street, Cardiff, CF11 6BD
Sold Feb 2018
£160,000
Versus other Clare Street homes
EPC Rating for Flat 1 runs comfortably ahead of the street norm.
EPC Rating
73 (C)
Street avg 64 (D)
Floor Area
37 m²
Street avg 45 m²
CO₂ Emissions
1.4 t/year
Street avg 2.6 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about Flat 1
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
The data behind every report
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The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Clare Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.