41 Heol Y Castell, Ely, Cardiff, CF5 5LR
About 41 Heol Y Castell
41 Heol Y Castell is a semi-detached house in Ely, Cardiff, Cardiff (CF5 5LR). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (February 2014) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in August 2013 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Average. The recommended improvements would lift it to B (score 89), a 2-band jump. The latest certificate is from February 2014, so improvements made since then won't be reflected.
At 55 m² it's 17.9% smaller than the typical home in the postcode (67 m² median across 33 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Feb 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Hot water efficiency improved
Window efficiency improved
Cavity wall insulation installed
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Planning history
41 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
41 Heol Y Castell has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£169,000
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 5LR: £115,000 (2023–2014).
Nearby sales in CF5 5LR
61 Heol Y Castell, Ely, Cardiff, CF5 5LR
Sold Mar 2023
£240,00045 Heol Y Castell, Ely, Cardiff, CF5 5LR
Sold Jan 2019
£115,00055 Heol Y Castell, Ely, Cardiff, CF5 5LR
Sold May 2017
£106,50049 Heol Y Castell, Ely, Cardiff, CF5 5LR
Sold Mar 2017
£107,50053 Heol Y Castell, Ely, Cardiff, CF5 5LR
Sold Jul 2014
£133,000
Versus other Heol Y Castell homes
On floor area, 41 Heol Y Castell runs well behind the street norm.
EPC Rating
63 (D)
Street avg 65 (D)
Floor Area
55 m²
Street avg 102 m²
CO₂ Emissions
2.7 t/year
Street avg 3.8 t/year
Habitable Rooms
3 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.







