5 Mallards Reach, Marshfield, Cardiff, CF3 2NN
About 5 Mallards Reach
5 Mallards Reach is a four-bedroom detached house in Marshfield, Cardiff, Cardiff (CF3 2NN). It has a recorded floor area of 116 m² (around 1249 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (September 2020) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since September 2020. The recommended improvements would push it to B (score 81).
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 116 m² it's 27.5% larger than the typical home in the postcode (91 m² median across 23 EPCs). Across 1998–2021, sale prices on this property compounded at 5.4% per year. Today's modelled estimate of £471,000 is 18.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£319/sq ft) was about 66.4% above the typical sold price in the postcode. Sold June 2021 for £398,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms3
- Open-plan layoutYes
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenRear
Energy performance
EPC Rating
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Planning history
5 Mallards Reach has been extended on multiple sides of the property across separate planning applications.
2 applications on record at 5 Mallards Reach, Marshfield, Cardiff, CF3 2NN
- Mar 2011ExtensionFullOutcome in report
Extension: Single storey · Side and rear of property
PROPOSED SINGLE STOREY EXTENSION TO SIDE AND REAR OF MAIN HOUSE
- Documents
- 6 docs on file
- Reference
- 11/0103
- More recent applications — locked
- ExtensionJul 2012Decision
Unlock 5 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- Every decision — granted, refused or withdrawn (2 on record)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 13 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
5 Mallards Reach has more than tripled in price since its earliest registered sale in 1998.
£471,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 23 years.
£398,000
Growth on file: 5.4% per year over 23 years.
Sales timeline
28 June 2021Most recent
£398,000
+243.3%over 23 years29 March 1998
£115,950
Median price across the last 5 sales in CF3 2NN: £360,000 (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
£410,0003 Mallards Reach, Marshfield, Cardiff, CF3 2NN
Sold Jan 2021
£285,000
Versus other Mallards Reach homes
5 Mallards Reach outperforms the street on floor area by a wide margin.
Price per m²
£3,431
Street avg £2,668
Floor Area
116 m²
Street avg 99 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.9 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.







