10 Osprey Close, St Mellons, Cardiff, CF3 0DG
About 10 Osprey Close
10 Osprey Close is a three-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0DG). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1996-2002 and council tax band D. The latest certificate (February 2020) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2016. Between certificates, roof efficiency went from Poor to Average, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good. The recommended improvements would lift it to B (score 83), a 2-band jump. The home occupies a cul-de-sac position.
Most recent transfer was April 2026 at £272,000 — fresh data. Across the public record there are 4 sales, relatively high churn for a single property. Across 2002–2026, sale prices on this property compounded at 5.4% per year. On a £-per-square-foot basis, the last sale (£366/sq ft) was about 86.6% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- ParkingOff road
- Cul-de-sacYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 9 February 2030
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water efficiency improved
Window efficiency improved
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
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Planning history
10 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
Sale price has grown by over 3x since 2002.
£280,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 24 years.
£272,000
Growth on file: 5.4% per year over 24 years.
Sales timeline
14 April 2026Most recent
£272,000
+37.4%over 5 years30 April 2020
£198,000
+29.8%over 4 years28 April 2016
£152,500
+100.8%over 14 years8 February 2002
£75,950
Median price across the last 5 sales in CF3 0DG: £282,500 (2024–2022).
Nearby sales in CF3 0DG
12 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
£305,0007 Osprey Close, St Mellons, Cardiff, CF3 0DG
Sold Sept 2022
£194,000
Versus other Osprey Close homes
Price per m² for 10 Osprey Close runs comfortably ahead of the street norm.
Price per m²
£3,942
Street avg £2,271
Floor Area
69 m²
Street avg 78 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.8 t/year
Similar properties nearby
1 Aston Place, St Mellons
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1 Brython Drive, St Mellons
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1 Chervil Close, St Mellons
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1 Aster Close, St Mellons
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1 Chartley Close, St Mellons
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1 Caradoc 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.







