41 Mallards Reach, Marshfield, Cardiff, CF3 2NN
About 41 Mallards Reach
41 Mallards Reach is a detached house in Marshfield, Cardiff, Cardiff (CF3 2NN). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (September 2016) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (September 2010); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good and window efficiency went from Very Poor 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 lift it to B (score 81), a 2-band jump.
Across 2011–2017, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £320,000 is 43.5% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£259/sq ft) was about 71.8% above the typical sold price in the postcode. Last sold in November 2017, so it's been off the market for around 9 years. At 80 m² it's 18.9% smaller than the typical home in the postcode (99 m² median across 23 EPCs).
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 efficiency decreased
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
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Planning history
41 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
41 Mallards Reach changed hands twice within eighteen months — unusual for the area.
£320,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 6 years.
£223,000
Growth on file: 4.1% per year over 6 years.
Sales timeline
27 November 2017Most recent
£223,000
-3.0%24 November 2017
£230,000
+33.3%over 6 years30 June 2011
£172,500
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
On floor area, 41 Mallards Reach runs well behind the street norm.
Price per m²
£2,788
Street avg £2,699
Floor Area
80 m²
Street avg 101 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
2.9 t/year
Street avg 4.2 t/year
Similar properties nearby
1 Cambrian Drive, Marshfield
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1 Cambrian Gardens, Marshfield
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1 Cambrian Way, Marshfield
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1 Mallards Reach, Marshfield
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1 Oakfields, Marshfield
CF3 2EZ
1 Channel View, Castleton
CF3 2UP
1 Acorn Place, Castleton
CF3 2WE
1 Cypress Crescent, St Mellons
CF3 2WL
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.







