18 Cwrt Ty Mynydd, Radyr, Cardiff, CF15 8BD
About 18 Cwrt Ty Mynydd
18 Cwrt Ty Mynydd is a two-bedroom mid-terrace house in Radyr, Cardiff, Cardiff (CF15 8BD). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (December 2025) shows a C (score 70). When first surveyed in January 2023 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average and roof efficiency went from Very Poor to Poor; while window efficiency dropped from Average to Poor and lighting dropped from Very Good to Poor. This certificate was lodged in the last six months, so the rating reflects current condition. At 67 m² this is the 4th smallest of 14 units on EPC record in the building, where floor areas span 52–109 m². The building's EPC ratings span F to B across 14 units on file.
Across 1996–2023, sale prices on this property compounded at 5.1% per year. On a £-per-square-foot basis, the last sale (£236/sq ft) was about 61.3% above the typical sold price in the postcode. Last sale on file: £170,000 in July 2023.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Building
- Central heatingYes
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
Roof insulation improved
Low energy lighting percentage decreased
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Planning history
18 Cwrt Ty Mynydd has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
18 Cwrt Ty Mynydd has more than tripled in price since its earliest registered sale in 1996.
£177,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 27 years.
£170,000
Growth on file: 5.1% per year over 27 years.
Sales timeline
13 July 2023Most recent
£170,000
+277.8%over 26 years22 November 1996
£45,000
Median price across the last 5 sales in CF15 8BD: £152,500 (2025–2020).
Nearby sales in CF15 8BD
19 Cwrt Ty Mynydd, Radyr, Cardiff, CF15 8BD
Sold May 2025
£180,00011 Cwrt Ty Mynydd, Radyr, Cardiff, CF15 8BD
Sold Jul 2024
£165,00017 Cwrt Ty Mynydd, Radyr, Cardiff, CF15 8BD
Sold Oct 2021
£147,50016 Cwrt Ty Mynydd, Radyr, Cardiff, CF15 8BD
Sold Aug 2021
£140,00013 Cwrt Ty Mynydd, Radyr, Cardiff, CF15 8BD
Sold Oct 2020
£152,500
Versus other Cwrt Ty Mynydd homes
18 Cwrt Ty Mynydd outperforms the street on price per m² by a wide margin.
Price per m²
£2,537
Street avg £1,959
Floor Area
67 m²
Street avg 71 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
2.3 t/year
Street avg 2.4 t/year
Similar properties nearby
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1 Clos Y Fwyalchen Wen, Radyr
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Graig Hir — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







