18 Heol Y Castell, Ely, Cardiff, CF5 5LS
About 18 Heol Y Castell
18 Heol Y Castell is a mid-terrace house in Ely, Cardiff, Cardiff (CF5 5LS). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (August 2015) shows a C (score 74). The rating has held steady at C across 2 certificates since July 2015. Between certificates, hot-water efficiency went from Average to Good. The recommended improvements would push it to B (score 87). The latest certificate is from August 2015, so improvements made since then won't be reflected.
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 06 Aug 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
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Planning history
18 Heol Y Castell has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
18 Heol Y Castell has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£173,000
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 CF5 5LS: £182,000 (2025–2022).
Nearby sales in CF5 5LS
2 Heol Y Castell, Ely, Cardiff, CF5 5LS
Sold Jul 2025
£180,00014 Heol Y Castell, Ely, Cardiff, CF5 5LS
Sold Nov 2024
£170,00022 Heol Y Castell, Ely, Cardiff, CF5 5LS
Sold Oct 2023
£182,00024 Heol Y Castell, Ely, Cardiff, CF5 5LS
Sold Sept 2023
£195,00042 Heol Y Castell, Ely, Cardiff, CF5 5LS
Sold May 2022
£185,000
Versus other Heol Y Castell homes
On epc rating, 18 Heol Y Castell stands well clear of the street.
EPC Rating
74 (C)
Street avg 68 (D)
Floor Area
89 m²
Street avg 89 m²
CO₂ Emissions
2.5 t/year
Street avg 3.2 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Heol-y-Gaer — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







