137 Brynheulog, Pentwyn, Cardiff, CF23 7JE
About 137 Brynheulog
137 Brynheulog is a detached house in Pentwyn, Cardiff, Cardiff (CF23 7JE). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (May 2025) shows a C (score 76), near the top of the C band. When first surveyed in May 2014 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, window efficiency went from Average to Good and lighting went from Poor to Very Good. At 57 m² this is the 12th smallest of 45 units on EPC record in the building, where floor areas span 40–114 m². The building's EPC ratings span D to B across 45 units on file.
At 57 m² it's 22.4% smaller than the typical home in the postcode (74 m² median across 44 EPCs).
Everything you need to know about 137 Brynheulog
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Wall insulation upgraded
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
137 Brynheulog 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
137 Brynheulog has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£131,000
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 CF23 7JE: £185,000 (2025–2021).
Nearby sales in CF23 7JE
163 Brynheulog, Pentwyn, Cardiff, CF23 7JE
Sold Jan 2025
£195,000164 Brynheulog, Pentwyn, Cardiff, CF23 7JE
Sold Sept 2024
£220,000154 Brynheulog, Pentwyn, Cardiff, CF23 7JE
Sold Apr 2021
£162,130152 Brynheulog, Pentwyn, Cardiff, CF23 7JE
Sold Feb 2021
£185,000161 Brynheulog, Pentwyn, Cardiff, CF23 7JE
Sold Feb 2019
£95,000
Versus other Brynheulog homes
Habitable Rooms for 137 Brynheulog runs comfortably ahead of the street norm.
EPC Rating
76 (C)
Street avg 73 (C)
Floor Area
57 m²
Street avg 55 m²
CO₂ Emissions
1.6 t/year
Street avg 1.8 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Everything you need to know about 137 Brynheulog
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Brynheulog — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.