47 Mallards Reach, Marshfield, Cardiff, CF3 2NN
About 47 Mallards Reach
47 Mallards Reach is a four-bedroom detached house in Marshfield, Cardiff, Cardiff (CF3 2NN). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1991-1995 and council tax band F. The latest certificate (January 2017) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2013. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Good to Very Good and hot-water efficiency went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 2-band jump.
Today's modelled estimate of £402,000 sits 51.1% above the 2017 sale of £266,000. On a £-per-square-foot basis, the last sale (£231/sq ft) was about 28% above the typical sold price in the postcode. At 107 m² it's 17.6% larger than the typical home in the postcode (91 m² median across 23 EPCs). On the market in October 2017 and unlisted since — roughly 9 years.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- EnsuiteYes
Outside
- Private gardenYes
- GarageYes
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
47 Mallards Reach 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
47 Mallards Reach valuation sits well clear of the typical sold price in this postcode.
£402,000
Modelled from EPC, postcode comparables.
£266,000
Recorded with HM Land Registry.
Sales timeline
26 October 2017Most recent
£266,000
Median price across the last 5 sales in CF3 2NN: £387,500 (2025–2021).
Nearby sales in CF3 2NN
27 Mallards Reach, Marshfield, Cardiff, CF3 2NN
Sold Oct 2025
£360,00053 Mallards Reach, Marshfield, Cardiff, CF3 2NN
Sold Oct 2025
£387,50051 Mallards Reach, Marshfield, Cardiff, CF3 2NN
Sold Mar 2025
£315,00075 Mallards Reach, Marshfield, Cardiff, CF3 2NN
Sold Feb 2025
£410,0005 Mallards Reach, Marshfield, Cardiff, CF3 2NN
Sold Jun 2021
£398,000
Versus other Mallards Reach homes
Habitable Rooms for 47 Mallards Reach runs comfortably ahead of the street norm.
Price per m²
£2,486
Street avg £2,713
Floor Area
107 m²
Street avg 100 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.3 t/year
Street avg 4.1 t/year
Similar properties nearby
1 Mallards Reach, Marshfield
CF3 2NN
1 Oakfields, Marshfield
CF3 2EZ
1 Cambrian Gardens, Marshfield
CF3 2TF
1 Cypress Crescent, St Mellons
CF3 2WL
1 Blacktown Gardens, Marshfield
CF3 2SF
1 Cambrian Grove, Marshfield
CF3 2US
1 Clos Elphan, St Mellons
CF3 2AE
1 Clos Medwy, St Mellons
CF3 2AD
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
The Shires — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







