18 Bryn Y Nant, Llanedeyrn, Cardiff, CF23 9NZ
About 18 Bryn Y Nant
18 Bryn Y Nant is a mid-terrace house in Llanedeyrn, Cardiff, Cardiff (CF23 9NZ). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (June 2023) shows a C (score 74). When first surveyed in June 2013 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and lighting went from Good to Very Good. The recommended improvements would push it to B (score 91).
Energy performance
EPC Rating
Certificate validity
Valid until 18 June 2033
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
More low energy lighting installed
Ventilation system changed
Wall insulation upgraded
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Planning history
18 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
18 Bryn Y Nant has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£186,000
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 9NZ: £180,000 (2026–2025).
Nearby sales in CF23 9NZ
6 Bryn Y Nant, Llanedeyrn, Cardiff, CF23 9NZ
Sold Feb 2026
£147,00021 Bryn Y Nant, Llanedeyrn, Cardiff, CF23 9NZ
Sold Jun 2025
£210,00031 Bryn Y Nant, Llanedeyrn, Cardiff, CF23 9NZ
Sold May 2025
£140,00012 Bryn Y Nant, Llanedeyrn, Cardiff, CF23 9NZ
Sold May 2025
£180,00015 Bryn Y Nant, Llanedeyrn, Cardiff, CF23 9NZ
Sold Feb 2025
£195,000
Versus other Bryn Y Nant homes
18 Bryn Y Nant outperforms the street on epc rating by a wide margin.
EPC Rating
74 (C)
Street avg 67 (D)
Floor Area
90 m²
Street avg 89 m²
CO₂ Emissions
2.4 t/year
Street avg 3.3 t/year
Habitable Rooms
4 rooms
Street avg 5 rooms
Similar properties nearby
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1 Chapel Wood, Llanedeyrn
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1 Coed Y Gores, Llanedeyrn
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1 Eastside Quarter, Maelfa, Llanedeyrn
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1 Howardian Close, Penylan
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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.







