15 Clos Glanaber, St Mellons, Cardiff, CF3 0AX
About 15 Clos Glanaber
15 Clos Glanaber is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0AX). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1991-1995 and council tax band B. The latest certificate (March 2025) returns a high B (score 91), putting the home a stone's throw from an A rating. Earlier certificates rated it A (October 2012); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good and window efficiency went from Average to Good. At 42 m² this is the 3rd smallest of 22 units on EPC record in the building, where floor areas span 41–90 m². The building's EPC ratings span C to A across 22 units on file.
At 42 m² it sits well below the postcode median (66 m² across 21 EPCs), making it one of the more compact homes locally.
Energy performance
15 Clos Glanaber's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Roof insulation improved
Solar PV panels (40 kWp) installed
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Planning history
15 Clos Glanaber 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
15 Clos Glanaber has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£130,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Versus other Clos Glanaber homes
EPC Rating for 15 Clos Glanaber runs comfortably ahead of the street norm.
EPC Rating
91 (B)
Street avg 81 (C)
Floor Area
42 m²
Street avg 44 m²
CO₂ Emissions
0.3 t/year
Street avg 1.0 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Similar properties nearby
1 Brookfield Drive, St Mellons
CF3 0BA
1 Broadlands Court, St Mellons
CF3 0BZ
1 Caspian Close, St Mellons
CF3 0BQ
1 Aspen Close, St Mellons
CF3 0BT
1 Caerleon Close, St Mellons
CF3 0HH
1 Caraway Close, St Mellons
CF3 0NF
1 Blaina Close, St Mellons
CF3 0EB
1 Bulrush Close, St Mellons
CF3 0AZ
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
Clos Gwlad-Yr-Haf — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







