7 Mallard Close, St Mellons, Cardiff, CF3 0AJ
About 7 Mallard Close
7 Mallard Close is an end-of-terrace house in St. Mellons, Cardiff, Cardiff (CF3 0AJ). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (September 2024) shows a C (score 72). When first surveyed in October 2011 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 86).
Untraded for 29 years, with the last transfer in March 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 83 m² the property is well over the postcode median (53 m² across 12 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £211,000 sits 455.3% above the 1997 sale of £38,000.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £545 · Includes VAT
Planning history
7 Mallard Close 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
7 Mallard Close's modelled value sits at over four times its earliest registered sale price (1997).
£211,000
Modelled from EPC, postcode comparables.
£38,000
Recorded with HM Land Registry.
Sales timeline
21 March 1997Most recent
£38,000
Median price across the last 3 sales in CF3 0AJ: £103,950 (2005–1996).
Versus other Mallard Close homes
EPC Rating for 7 Mallard Close lags the street by a wide margin.
EPC Rating
72 (C)
Street avg 80 (C)
Floor Area
83 m²
Street avg 79 m²
CO₂ Emissions
2.3 t/year
Street avg 1.7 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
1 Cathcob Close, St Mellons
CF3 0AH
1 Broadwell Close, St Mellons
CF3 0HU
1 Abernethy Close, St Mellons
CF3 0SB
1 Bulrush Close, St Mellons
CF3 0AZ
1 Blaina Close, St Mellons
CF3 0EB
1 Caraway Close, St Mellons
CF3 0NF
1 Ashfield Court, St Mellons
CF3 0AE
1 Caradoc Close, St Mellons
CF3 0LQ
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
0.1 km
Tarwick Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







