First Floor Flat, 6 Coedcae Street, Cardiff, CF11 7AA
About First Floor Flat
First Floor Flat is a mid-terrace house in Cardiff (CF11 7AA). It has a recorded floor area of 57 m² (around 614 sq ft) and construction records dating it to 1900-1929. The latest certificate (January 2022) shows a C (score 73). The rating has held steady at C across 2 certificates since July 2015. Between certificates, roof efficiency went from Poor to Very Good and window efficiency went from Average to Good; while lighting dropped from Very Good to Good.
At 57 m² it sits well below the postcode median (87 m² across 43 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs).
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Glazing upgraded to newer, more efficient type
Loft insulation upgraded to recommended levels
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
First Floor Flat has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
First Floor Flat has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£129,000
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 7AA: £249,950 (2024–2021).
Nearby sales in CF11 7AA
Versus other Coedcae Street homes
Habitable Rooms for First Floor Flat lags the street by a wide margin.
EPC Rating
73 (C)
Street avg 67 (D)
Floor Area
57 m²
Street avg 58 m²
CO₂ Emissions
1.8 t/year
Street avg 2.5 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cymmer Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







