40 Heol Y Castell, Ely, Cardiff, CF5 5LS
About 40 Heol Y Castell
40 Heol Y Castell is a three-bedroom semi-detached house in Ely, Cardiff, Cardiff (CF5 5LS). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (January 2015) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from January 2015, so improvements made since then won't be reflected. Other recorded features include a conservatory and outbuildings.
Today's modelled estimate of £221,000 sits 52.4% above the 2015 sale of £145,000. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). 11 years since the last transfer (May 2015).
What this property has
Inside
- Bedrooms3
- Bathrooms1
- ConservatoryYes
Outside
- Private gardenYes
- ParkingOff road
- OutbuildingsYes
Building
- Heating systemGas
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This certificate is over 10 years old and is no longer valid.Expired 06 Jan 2025
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
40 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
40 Heol Y Castell valuation sits well clear of the typical sold price in this postcode.
£221,000
Modelled from EPC, postcode comparables.
£145,000
Recorded with HM Land Registry.
Sales timeline
4 May 2015Most recent
£145,000
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
40 Heol Y Castell is notably below the street on epc rating.
Price per m²
£1,667
Street avg £1,730
Floor Area
87 m²
Street avg 89 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.1 t/year
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.







