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 £119,000 is 36.5% above the 2019 sale price. Most recent transfer: June 2019 at £87,200.
Energy performance
EPC Rating
Certificate validity
Valid until 7 May 2029
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.
£119,000
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
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.







