301 Marshfield Road, Castleton, Cardiff, CF3 2UU
About 301 Marshfield Road
301 Marshfield Road is a six-bedroom detached house in Castleton, Cardiff, Cardiff (CF3 2UU). It has a recorded floor area of 253 m² (around 2723 sq ft), construction records dating it to 2007-2011 and council tax band H. The latest certificate (May 2021) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since September 2009. Between certificates, lighting went from Average to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 82). Other recorded features include a self-contained annexe. The home occupies a corner plot.
At 253 m² the property is well over the postcode median (147 m² across 22 EPCs), placing it in the larger end of the local stock. 6 bedrooms is on the larger side for this postcode, where 4 is the typical count. Across 2021–2023, sale prices on this property compounded at 7% per year. On a £-per-square-foot basis, the last sale (£290/sq ft) was about 45.1% above the typical sold price in the postcode. Last sale on file: £790,000 in August 2023.
What this property has
Inside
- Bedrooms6
- Bathrooms4
- Dining roomYes
Outside
- GarageDouble
- Corner plotYes
Energy performance
EPC Rating
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Planning history
301 Marshfield 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
Latest sale on 301 Marshfield Road was the highest on Land Registry record across the postcode.
£820,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 2 years.
£790,000
Growth on file: 7.0% per year over 2 years.
Sales timeline
24 August 2023Most recent
£790,000
+13.7%over 1 year30 September 2021
£695,000
Median price across the last 5 sales in CF3 2UU: £310,000 (2024–2020).
Nearby sales in CF3 2UU
19 Marshfield Road, Castleton, Cardiff, CF3 2UU
Sold Jul 2024
£450,0002 Marshfield Road, Castleton, Cardiff, CF3 2UU
Sold May 2024
£280,000311 Marshfield Road, Castleton, Cardiff, CF3 2UU
Sold Sept 2021
£260,00010 Marshfield Road, Castleton, Cardiff, CF3 2UU
Sold Feb 2021
£455,000310 Marshfield Road, Castleton, Cardiff, CF3 2UU
Sold Mar 2020
£310,000
Versus other Marshfield Road homes
Habitable Rooms for 301 Marshfield Road runs comfortably ahead of the street norm.
Price per m²
£3,123
Street avg £2,431
Floor Area
253 m²
Street avg 148 m²
Habitable Rooms
9 rooms
Street avg 6 rooms
CO₂ Emissions
5.5 t/year
Street avg 5.1 t/year
Similar properties nearby
1 Clos Padrig, St Mellons
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1 Cambrian Crescent, Marshfield
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1 Cambrian Drive, Marshfield
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1 Castleton Gardens, Castleton
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1 Clos Medwy, St Mellons
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1 Clos Elphan, St Mellons
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1 Cambrian Grove, Marshfield
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1 Blacktown Gardens, Marshfield
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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
0.1 km
Castleton Rise — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







