33 Mallards Reach, Marshfield, Cardiff, CF3 2NN
About 33 Mallards Reach
33 Mallards Reach is a three-bedroom detached house in Marshfield, Cardiff, Cardiff (CF3 2NN). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (February 2015) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since August 2013. Between certificates, hot-water efficiency went from Very Poor to Good and lighting went from Average to Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to A (score 106), a 3-band jump. The latest certificate is from February 2015, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history. The home occupies a cul-de-sac position.
One planning record on file: a garage conversion approved in 2009. Past consents include a garage conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £377,000 is 32.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£308/sq ft) was about 70.7% above the typical sold price in the postcode. Sold January 2021 for £285,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenSouth-facing
- DrivewayYes
- Cul-de-sacYes
Building
- Previously extendedYes
- RefurbishedYes
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This certificate is over 10 years old and is no longer valid.Expired 16 Feb 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
1 application on record at 33 Mallards Reach, Marshfield, Cardiff, CF3 2NN
- Nov 2009Garage ConversionFullOutcome in report
RETENTION OF GARAGE CONVERSION TO LIVING SPACE AND PROVISION OF ONE ADDITIONAL PARKING SPACE
- Documents
- 9 docs on file
- Reference
- 09/1022
Unlock 33 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 (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 9 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£377,000
Modelled from EPC, postcode comparables.
£285,000
Recorded with HM Land Registry.
Sales timeline
6 January 2021Most recent
£285,000
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
Price per m²
£3,314
Street avg £2,674
Floor Area
86 m²
Street avg 101 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.2 t/year
Street avg 4.1 t/year
Similar properties nearby
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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.







