Flat 1, 39 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 26 m² (around 280 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (June 2025) shows a C (score 70). Earlier certificates rated it B (August 2011); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average.
Today's modelled estimate of £145,000 sits 70.6% above the 2018 sale of £85,000. On a £-per-square-foot basis, the last sale (£304/sq ft) was about 167.2% above the typical sold price in the postcode. At 26 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). Last changed hands 8 years ago, in April 2018.
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 valuation sits well clear of the typical sold price in this postcode.
£145,000
Modelled from EPC, postcode comparables.
£85,000
Recorded with HM Land Registry.
Sales timeline
4 April 2018Most recent
£85,000
Median price across the last 5 sales in CF11 6BD: £85,000 (2018–2014).
Nearby sales in CF11 6BD
Versus other Clare Street homes
Price per m² for Flat 1 runs comfortably ahead of the street norm.
Price per m²
£3,269
Street avg £1,704
Floor Area
26 m²
Street avg 46 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
1.3 t/year
Street avg 2.6 t/year
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

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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.






