Cummings Farm, Annexe, Newport Road, Old St Mellons, Cardiff, CF3 5UA
About Cummings Farm
Cummings Farm is a detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5UA). It has a recorded floor area of 39 m² (around 420 sq ft) and construction records dating it to 1983-1990. The latest certificate (November 2022) shows a C (score 69), just inside the C band. When first surveyed in April 2010 the rating was E, the property has climbed 2 bands since. Between certificates, lighting went from Good to Very Good and main heating went from Very Poor to Poor; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. Main heating runs on electricity.
At 39 m² it sits well below the postcode median (65 m² across 28 EPCs), making it one of the more compact homes locally.
Energy performance
Cummings Farm's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 3 November 2032
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Solar PV panels (50 kWp) 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 £885 · Includes VAT
Planning history
Cummings Farm 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
Cummings Farm has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£225,000
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 CF3 5UA: £325,000 (2026–2022).
Nearby sales in CF3 5UA
Woodways, Newport Road, Old St Mellons, Cardiff, CF3 5UA
Sold Feb 2026
£395,010968 Newport Road, Old St Mellons, Cardiff, CF3 5UA
Sold Dec 2024
£300,000972 Newport Road, Old St Mellons, Cardiff, CF3 5UA
Sold Oct 2023
£1,550,000966 Newport Road, Old St Mellons, Cardiff, CF3 5UA
Sold Feb 2022
£290,000964 Newport Road, Old St Mellons, Cardiff, CF3 5UA
Sold Feb 2022
£325,000
Versus other Newport Road homes
Cummings Farm is notably below the street on floor area.
EPC Rating
69 (C)
Street avg 74 (C)
Floor Area
39 m²
Street avg 130 m²
CO₂ Emissions
1.4 t/year
Street avg 3.7 t/year
Habitable Rooms
2 rooms
Street avg 6 rooms
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The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Bluebell Inn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







