25 Brynmawr Close, St Mellons, Cardiff, CF3 0HJ
About 25 Brynmawr Close
25 Brynmawr Close is an end-of-terrace house in St. Mellons, Cardiff, Cardiff (CF3 0HJ). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (March 2026) shows a C (score 73). When first surveyed in July 2014 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Very Good; while window efficiency dropped from Average to Poor. This certificate was lodged in the last six months, so the rating reflects current condition.
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 17 March 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Loft insulation upgraded to recommended levels
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £545 · Includes VAT
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.
£217,000
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 floor area, 25 Brynmawr Close stands well clear of the street.
EPC Rating
73 (C)
Street avg 72 (C)
Floor Area
92 m²
Street avg 81 m²
CO₂ Emissions
2.2 t/year
Street avg 2.5 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
1 Broadwell Close, St Mellons
CF3 0HU
1 Ashdown Close, St Mellons
CF3 0ER
1 Cathcob Close, St Mellons
CF3 0AH
1 Caradoc Close, St Mellons
CF3 0LQ
1 Blaina Close, St Mellons
CF3 0EB
1 Caraway Close, St Mellons
CF3 0NF
1 Abernethy Close, St Mellons
CF3 0SB
1 Blaenavon Close, St Mellons
CF3 0HQ
The neighbourhood at a glance
Crime
242/mo
Falling 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.







