21 Sanderling Drive, St Mellons, Cardiff, CF3 0DA
About 21 Sanderling Drive
21 Sanderling Drive is a four-bedroom detached house in St. Mellons, Cardiff, Cardiff (CF3 0DA). It has a recorded floor area of 124 m² (around 1335 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (June 2016) returns a B (score 83), comfortably above the UK average. When first surveyed in October 2015 the rating was D, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Good and lighting went from Good to Very Good. Other recorded features include a conservatory and a loft.
At 124 m² it's 28.9% larger than the typical home in the postcode (96 m² median across 13 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Across 1998–2017, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £351,000 sits 70.4% above the 2017 sale of £206,000. Last sold in July 2017, so it's been off the market for around 9 years.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Utility roomYes
- CloakroomYes
- LoftYes
- ConservatoryYes
Outside
- Private gardenWest-facing
- GarageIntegral
Energy performance
21 Sanderling Drive ranks among the most efficient homes in the postcode for energy use.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 20 Jun 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
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Planning history
21 Sanderling Drive 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
21 Sanderling Drive has more than tripled in price since its earliest registered sale in 1998.
£351,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 19 years.
£206,000
Growth on file: 5.8% per year over 19 years.
Sales timeline
23 July 2017Most recent
£206,000
+200.7%over 19 years2 March 1998
£68,500
Median price across the last 5 sales in CF3 0DA: £168,500 (2025–2016).
Nearby sales in CF3 0DA
9 Sanderling Drive, St Mellons, Cardiff, CF3 0DA
Sold Aug 2025
£149,00015 Sanderling Drive, St Mellons, Cardiff, CF3 0DA
Sold Jun 2023
£165,0005 Sanderling Drive, St Mellons, Cardiff, CF3 0DA
Sold Mar 2022
£278,00011 Sanderling Drive, St Mellons, Cardiff, CF3 0DA
Sold Jul 2021
£210,0006 Sanderling Drive, St Mellons, Cardiff, CF3 0DA
Sold Dec 2015
£189,000
Versus other Sanderling Drive homes
On epc rating, 21 Sanderling Drive stands well clear of the street.
Price per m²
£1,661
Street avg £1,992
Floor Area
124 m²
Street avg 101 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
2.2 t/year
Street avg 3.6 t/year
Similar properties nearby
1 Cleddau Close, St Mellons
CF3 0SG
1 Brython Drive, St Mellons
CF3 0LR
1 Chervil Close, St Mellons
CF3 0NL
1 Aston Place, St Mellons
CF3 0PH
1 Cathcob Close, St Mellons
CF3 0AH
1 Aster Close, St Mellons
CF3 0JB
1 Chartley Close, St Mellons
CF3 0SD
1 Ashdown Close, St Mellons
CF3 0ER
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
Heritage Inn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







