13 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW
About 13 Garth Olwg
13 Garth Olwg is an end-of-terrace house in Gwaelod-Y-Garth, Cardiff, Cardiff (CF15 9HW). It has a recorded floor area of 77 m² (around 829 sq ft) and construction records dating it to 1930-1949. The latest certificate (October 2025) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73).
Energy performance
EPC Rating
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Planning history
13 Garth Olwg has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
13 Garth Olwg has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£309,000
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.
Median price across the last 5 sales in CF15 9HW: £242,000 (2025–2023).
Nearby sales in CF15 9HW
8 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW
Sold Jun 2025
£190,00019 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW
Sold Oct 2024
£188,14015 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW
Sold Oct 2023
£242,00030 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW
Sold May 2023
£300,00022 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW
Sold Feb 2023
£325,000
Versus other Garth Olwg homes
On floor area, 13 Garth Olwg runs well behind the street norm.
EPC Rating
61 (D)
Street avg 61 (D)
Floor Area
77 m²
Street avg 94 m²
CO₂ Emissions
3.6 t/year
Street avg 4.3 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Garth Olwg — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







