12 Caspian Close, St Mellons, Cardiff, CF3 0BQ
About 12 Caspian Close
12 Caspian Close is a mid-terrace house in St. Mellons, Cardiff, Cardiff (CF3 0BQ). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1991-1995 and council tax band B. The latest certificate (January 2017) shows a C (score 73). When first surveyed in June 2010 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and main heating went from Average to Good; while lighting dropped from Good to Average. The recommended improvements would push it to B (score 89).
A recent sale: £171,500 in July 2025. On a £-per-square-foot basis, the last sale (£285/sq ft) was about 69.4% above the typical sold price in the postcode.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Single glazing replaced with double or better glazing
Low energy lighting percentage decreased
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Planning history
12 Caspian 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
12 Caspian Close valuation sits well clear of the typical sold price in this postcode.
£176,000
Modelled from EPC, postcode comparables.
£171,500
Recorded with HM Land Registry.
Sales timeline
31 July 2025Most recent
£171,500
Median price across the last 5 sales in CF3 0BQ: £165,000 (2024–2021).
Nearby sales in CF3 0BQ
14 Caspian Close, St Mellons, Cardiff, CF3 0BQ
Sold Dec 2024
£165,00021 Caspian Close, St Mellons, Cardiff, CF3 0BQ
Sold Dec 2023
£165,00015 Caspian Close, St Mellons, Cardiff, CF3 0BQ
Sold May 2022
£186,0005 Caspian Close, St Mellons, Cardiff, CF3 0BQ
Sold Feb 2022
£158,00020 Caspian Close, St Mellons, Cardiff, CF3 0BQ
Sold Dec 2021
£169,595
Versus other Caspian Close homes
On years held, 12 Caspian Close runs well behind the street norm.
Price per m²
£3,063
Street avg £2,177
Floor Area
56 m²
Street avg 58 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.1 t/year
Similar properties nearby
1 Caerleon Close, St Mellons
CF3 0HH
1 Aspen Close, St Mellons
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1 Caspian Close, St Mellons
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1 Caraway Close, St Mellons
CF3 0NF
1 Blaina Close, St Mellons
CF3 0EB
1 Bulrush Close, St Mellons
CF3 0AZ
1 Cathcob Close, St Mellons
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1 Broadwell Close, St Mellons
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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
0.1 km
Coleford Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







