4 Osprey Close, St Mellons, Cardiff, CF3 0DG
About 4 Osprey Close
4 Osprey Close is an end-of-terrace house in St. Mellons, Cardiff, Cardiff (CF3 0DG). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1991-1995 and council tax band C. The latest certificate (July 2026) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73). This certificate was lodged in the last six months, so the rating reflects current condition.
Untraded for 30 years, with the last transfer in January 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £199,000 sits 328% above the 1997 sale of £46,500. On a £-per-square-foot basis, the last sale (£74/sq ft) was about 63.7% below the postcode norm. At 58 m² it's 19% smaller than the typical home in the postcode (72 m² median across 12 EPCs).
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 21 July 2036
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Planning history
4 Osprey 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
4 Osprey Close's modelled value sits at over four times its earliest registered sale price (1997).
£199,000
Modelled from EPC, postcode comparables.
£46,500
Recorded with HM Land Registry.
Sales timeline
31 January 1997Most recent
£46,500
Median price across the last 5 sales in CF3 0DG: £282,500 (2026–2022).
Nearby sales in CF3 0DG
10 Osprey Close, St Mellons, Cardiff, CF3 0DG
Sold Apr 2026
£272,00012 Osprey Close, St Mellons, Cardiff, CF3 0DG
Sold Mar 2024
£282,5006 Osprey Close, St Mellons, Cardiff, CF3 0DG
Sold Sept 2023
£183,5002 Osprey Close, St Mellons, Cardiff, CF3 0DG
Sold Jan 2023
£341,50014 Osprey Close, St Mellons, Cardiff, CF3 0DG
Sold Sept 2022
£305,000
Versus other Osprey Close homes
Years Held for 4 Osprey Close runs comfortably ahead of the street norm.
Price per m²
£802
Street avg £2,585
Floor Area
58 m²
Street avg 79 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.8 t/year
Similar properties nearby
1 Bulrush Close, St Mellons
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1 Ashfield Court, St Mellons
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1 Caraway Close, St Mellons
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1 Blaina Close, St Mellons
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1 Caerleon Close, St Mellons
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1 Broadwell Close, St Mellons
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1 Ashdown Close, St Mellons
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1 Cathcob Close, St Mellons
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The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Vaindre Lane — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







