25 Brynmawr Close, St Mellons, Cardiff, CF3 0HJ
About 25 Brynmawr Close
25 Brynmawr Close is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0HJ). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (July 2014) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from July 2014, so improvements made since then won't be reflected.
It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 09 Jul 2024
EPC Rating
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Planning history
25 Brynmawr 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
25 Brynmawr Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£220,000
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 CF3 0HJ: £195,000 (2025–2021).
Nearby sales in CF3 0HJ
18 Brynmawr Close, St Mellons, Cardiff, CF3 0HJ
Sold Oct 2025
£195,0003 Brynmawr Close, St Mellons, Cardiff, CF3 0HJ
Sold Jan 2023
£215,0001 Brynmawr Close, St Mellons, Cardiff, CF3 0HJ
Sold Jun 2022
£202,0004 Brynmawr Close, St Mellons, Cardiff, CF3 0HJ
Sold Feb 2021
£138,00021 Brynmawr Close, St Mellons, Cardiff, CF3 0HJ
Sold Jul 2019
£130,000
Versus other Brynmawr Close homes
On epc rating, 25 Brynmawr Close runs well behind the street norm.
EPC Rating
65 (D)
Street avg 71 (C)
Floor Area
85 m²
Street avg 81 m²
CO₂ Emissions
3.4 t/year
Street avg 2.6 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
1 Ashfield Court, St Mellons
CF3 0AE
1 Caradoc Close, St Mellons
CF3 0LQ
1 Abernethy Close, St Mellons
CF3 0SB
1 Ashdown Close, St Mellons
CF3 0ER
1 Broadwell Close, St Mellons
CF3 0HU
1 Cathcob Close, St Mellons
CF3 0AH
1 Birkdale Close, St Mellons
CF3 0LF
1 Blaenavon Close, St Mellons
CF3 0HQ
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
Willowdene Way — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







