356a, Cowbridge Road East, Cardiff, CF5 1HE
About 356a
356a is a mid-terrace house in Cardiff (CF5 1HE). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1900-1929 and council tax band C. At 55 m² this is the 4th smallest of 12 units on EPC record in the building, where floor areas span 34–108 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (September 2024) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2014. Between certificates, lighting went from Very Poor to Good; while roof efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 74).
At 55 m² it's 15.4% smaller than the typical home in the postcode (65 m² median across 11 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 2 planning records sit against the property, 2 approved, 0 refused.
Energy performance
356a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Certificate validity
Valid until 28 September 2034
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
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
2 applications on record at 356a, Cowbridge Road East, Cardiff, CF5 1HE
- Feb 2013ConversionFullOutcome in report
CONVERSION OF FIRST FLOOR OFFICES TO TWO NUMBER FLATS
- Documents
- 10 docs on file
- Reference
- 12/02183/DCO
- More recent applications — locked
- FullJul 2014Decision
Unlock 356a, Cowbridge Road East, Cardiff, CF5 1HE's full planning history
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- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 2 notable nearby
- The 17 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
356a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£171,000
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 4 sales in CF5 1HE: £132,500 (2025–2000).
Versus other Cowbridge Road East homes
EPC Rating for 356a lags the street by a wide margin.
EPC Rating
67 (D)
Street avg 72 (C)
Floor Area
55 m²
Street avg 69 m²
CO₂ Emissions
2.4 t/year
Street avg 2.5 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
426/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Clive Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







