99 Bryn Y Nant, Llanedeyrn, Cardiff, CF23 9PB
About 99 Bryn Y Nant
99 Bryn Y Nant is a detached house in Llanedeyrn, Cardiff, Cardiff (CF23 9PB). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1967-1975 and council tax band B. At 52 m² this is the smallest unit on EPC record across the building (52–82 m²). The building's EPC ratings span D to B across 21 units on file. The latest certificate (May 2019) shows a C (score 71). The rating has held steady at C across 2 certificates since October 2008. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Average to Good and main heating went from Average to Good; while lighting dropped from Very Good to Good.
At 52 m² it's 29.3% smaller than the typical home in the postcode (74 m² median across 20 EPCs). Across 2012–2019, sale prices on this property compounded at 3.1% per year. Today's modelled estimate of £117,000 is 34.2% above the 2019 sale price. Most recent transfer: June 2019 at £87,200.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Wall insulation improved
Low energy lighting percentage decreased
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Planning history
99 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
99 Bryn Y Nant saw 3 transfers in just over a decade — high turnover for the postcode.
£117,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.1% per year over 7 years.
£87,200
Growth on file: 3.1% per year over 7 years.
Sales timeline
13 June 2019Most recent
£87,200
+9.0%over 2 years21 December 2016
£80,000
+14.3%over 4 years23 March 2012
£70,000
Median price across the last 2 sales in CF23 9PB: £84,475 (2017–2006).
Versus other Bryn Y Nant homes
Floor Area for 99 Bryn Y Nant lags the street by a wide margin.
EPC Rating
71 (C)
Street avg 75 (C)
Floor Area
52 m²
Street avg 71 m²
CO₂ Emissions
1.9 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
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising 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.







