45 Mallards Reach, Marshfield, Cardiff, CF3 2NN
About 45 Mallards Reach
45 Mallards Reach is a four-bedroom detached house in Marshfield, Cardiff, Cardiff (CF3 2NN). It has a recorded floor area of 79 m² (around 847 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (December 2011) shows a D (score 57), a step below the typical UK home. The recommended improvements would push it to C (score 69). The latest certificate is from December 2011, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history.
Sold March 2020 for £325,000. Across the public record there are 4 sales, relatively high churn for a single property. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1997–2020, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £416,000 is 28% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£384/sq ft) was about 100.3% above the typical sold price in the postcode. At 79 m² it's 20.2% smaller than the typical home in the postcode (99 m² median across 23 EPCs).
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Open-plan layoutYes
- EnsuiteYes
Outside
- GarageYes
Building
- Previously extendedYes
Energy performance
45 Mallards Reach's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 06 Dec 2021
EPC Rating
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Planning history
45 Mallards Reach has an approved single-storey side extension on the planning record.
2 applications on record at 45 Mallards Reach, Marshfield, Cardiff, CF3 2NN
- Aug 2013ExtensionFullOutcome in report
Extension: Part single, part two storey · Side of property
ERECTION OF FIRST FLOOR SIDE EXTENSION OVER EXISTING GARAGE / PART TWO STOREY SIDE EXTENSION TO FORM BEDROOM / EN-SUITE AND SINGLE STOREY EXTENSION TO REAR OF PROPERTY
- Documents
- 20 docs on file
- Reference
- 13/0625
- More recent applications — locked
- ExtensionNov 2013Decision
Unlock 45 Mallards Reach, Marshfield, Cardiff, CF3 2NN's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 1 notable nearby
- The 38 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
45 Mallards Reach has more than quadrupled in price since its earliest registered sale in 1997.
£416,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 23 years.
£325,000
Growth on file: 6.9% per year over 23 years.
Sales timeline
20 March 2020Most recent
£325,000
+74.7%over 8 years10 February 2012
£186,000
+66.1%over 9 years4 March 2002
£112,000
+56.1%over 4 years13 August 1997
£71,750
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, 45 Mallards Reach runs well behind the street norm.
Price per m²
£4,132
Street avg £2,635
Floor Area
79 m²
Street avg 101 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
4.3 t/year
Street avg 4.1 t/year
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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.







