17 Mallards Reach, Marshfield, Cardiff, CF3 2NN
About 17 Mallards Reach
17 Mallards Reach is a detached house in Marshfield, Cardiff, Cardiff (CF3 2NN). It has a recorded floor area of 113 m² (around 1216 sq ft), construction records dating it to 1976-1982 and council tax band F. The latest certificate (October 2013) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 85), a 3-band jump. The latest certificate is from October 2013, so improvements made since then won't be reflected.
Untraded for 27 years, with the last transfer in June 1999. Across 1995–1999, sale prices on this property compounded at 3.9% per year. Today's modelled estimate of £397,000 sits 254.5% above the 1999 sale of £112,000. On a £-per-square-foot basis, the last sale (£92/sq ft) was about 54% below the postcode norm. At 113 m² it's 24.2% larger than the typical home in the postcode (91 m² median across 23 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 03 Oct 2023
EPC Rating
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Planning history
17 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
17 Mallards Reach's modelled value sits at over four times its earliest registered sale price (1995).
£397,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.9% per year over 4 years.
£112,000
Growth on file: 3.9% per year over 4 years.
Sales timeline
24 June 1999Most recent
£112,000
+15.5%over 3 years10 September 1995
£97,000
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 17 Mallards Reach runs comfortably ahead of the street norm.
Price per m²
£991
Street avg £2,784
Floor Area
113 m²
Street avg 99 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
5.8 t/year
Street avg 4.0 t/year
Similar properties nearby
1 Cambrian Way, Marshfield
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1 Mallards Reach, Marshfield
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1 Oakfields, Marshfield
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1 Cambrian Gardens, Marshfield
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1 Channel View, Castleton
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1 Cambrian Drive, Marshfield
CF3 2TE
1 Acorn Place, Castleton
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1 Cypress Crescent, 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
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.







