3 St Mellons Road, Marshfield, Cardiff, CF3 2TX
About 3 St Mellons Road
3 St Mellons Road is a three-bedroom detached house in Marshfield, Cardiff, Cardiff (CF3 2TX). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1967-1975 and council tax band F. Other recorded features include a conservatory. The latest certificate (March 2019) shows a C (score 70). The recommended improvements would push it to B (score 83).
It hasn't traded since January 1997, a hold of 29 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £412,000 sits 449.3% above the 1997 sale of £75,000. On a £-per-square-foot basis, the last sale (£68/sq ft) was about 72% below the postcode norm.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- Utility roomYes
- ConservatoryYes
Outside
- Private gardenYes
- DrivewayYes
Energy performance
EPC Rating
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Planning history
3 St Mellons Road has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
3 St Mellons Road's modelled value sits at over four times its earliest registered sale price (1997).
£412,000
Modelled from EPC, postcode comparables.
£75,000
Recorded with HM Land Registry.
Sales timeline
24 January 1997Most recent
£75,000
Median price across the last 5 sales in CF3 2TX: £507,500 (2025–2023).
Nearby sales in CF3 2TX
18 St Mellons Road, Marshfield, Cardiff, CF3 2TX
Sold Jul 2025
£295,00015a, St Mellons Road, Marshfield, Cardiff, CF3 2TX
Sold May 2025
£515,00023 St Mellons Road, Marshfield, Cardiff, CF3 2TX
Sold Nov 2024
£507,50021 St Mellons Road, Marshfield, Cardiff, CF3 2TX
Sold Jan 2024
£495,00025 St Mellons Road, Marshfield, Cardiff, CF3 2TX
Sold Aug 2023
£515,000
Versus other St Mellons Road homes
3 St Mellons Road outperforms the street on years held by a wide margin.
Price per m²
£728
Street avg £2,667
Floor Area
103 m²
Street avg 143 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.3 t/year
Street avg 4.4 t/year
Similar properties nearby
1 Channel View, Castleton
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1 Oakfields, Marshfield
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1 Mallards Reach, Marshfield
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1 Cambrian Gardens, Marshfield
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1 Cypress Crescent, St Mellons
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1 Blacktown Gardens, Marshfield
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1 Cambrian Grove, Marshfield
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1 Clos Elphan, St Mellons
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Oakfields — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







