104 Bryn Y Nant, Llanedeyrn, Cardiff, CF23 9PB
About 104 Bryn Y Nant
104 Bryn Y Nant is a detached house in Llanedeyrn, Cardiff, Cardiff (CF23 9PB). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (May 2025) returns a B (score 82), comfortably above the UK average. When first surveyed in April 2014 the rating was C, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good. At 79 m² this is the 18th smallest of 21 units on EPC record in the building, where floor areas span 52–82 m². The building's EPC ratings span D to B, with this unit at the top. On EPC score it ranks first in the building (82 versus a worst of 65).
On energy efficiency it sits in the top 10% of properties in this postcode.
Energy performance
104 Bryn Y Nant ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Certificate validity
Valid until 28 May 2035
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
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Planning history
104 Bryn Y Nant has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
104 Bryn Y Nant has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£140,000
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 CF23 9PB: £84,000 (2019–2006).
Versus other Bryn Y Nant homes
104 Bryn Y Nant outperforms the street on epc rating by a wide margin.
EPC Rating
82 (B)
Street avg 74 (C)
Floor Area
79 m²
Street avg 70 m²
CO₂ Emissions
1.3 t/year
Street avg 2.0 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Bryn-Y-Nant — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







