303 Hayes Apartments, The Hayes, Cardiff, CF10 1EF
About 303 Hayes Apartments
303 Hayes Apartments is a one-bedroom mid-terrace house in Cardiff (CF10 1EF). It has a recorded floor area of 32 m² (around 344 sq ft), construction records dating it to 2003-2006 and council tax band E. At 32 m² this is the smallest unit on EPC record across the building (32–73 m²). The building's EPC ratings span C to B, with this unit at the bottom. On EPC score it ranks last in the building (71 versus a best of 85). The latest certificate (July 2021) shows a C (score 71). The rating has held steady at C across 2 certificates since June 2011. Between certificates, wall efficiency dropped from Very Good to Good and roof efficiency dropped from Very Good to Good. Main heating runs on electricity.
At 32 m² it sits well below the postcode median (57 m² across 22 EPCs), making it one of the more compact homes locally. Across 2012–2023, sale prices on this property compounded at 3.9% per year. On a £-per-square-foot basis, the last sale (£508/sq ft) was about 88.6% above the typical sold price in the postcode. Sold October 2023 for £175,000.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
Outside
- ParkingYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
303 Hayes Apartments 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
£186,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.9% per year over 12 years.
£175,000
Growth on file: 3.9% per year over 12 years.
Sales timeline
24 October 2023Most recent
£175,000
+34.6%over 9 years3 April 2014
£130,000
+15.6%over 2 years13 March 2012
£112,500
Median price across the last 5 sales in CF10 1EF: £235,000 (2025–2023).
Nearby sales in CF10 1EF
282 Hayes Apartments, The Hayes, Cardiff, CF10 1EF
Sold Jun 2025
£220,000302 Hayes Apartments, The Hayes, Cardiff, CF10 1EF
Sold Nov 2024
£245,000287 Hayes Apartments, The Hayes, Cardiff, CF10 1EF
Sold Nov 2024
£280,000286 Hayes Apartments, The Hayes, Cardiff, CF10 1EF
Sold Oct 2023
£235,000297 Hayes Apartments, The Hayes, Cardiff, CF10 1EF
Sold Sept 2023
£80,000
Versus other The Hayes homes
On price per m², 303 Hayes Apartments stands well clear of the street.
Price per m²
£5,469
Street avg £3,238
Floor Area
32 m²
Street avg 55 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.1 t/year
Street avg 1.4 t/year
Similar properties nearby
121 Hayes Apartments, The Hayes
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Canal Street JF — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







