7 Brynderwen Close, Cardiff, CF23 6BR
About 7 Brynderwen Close
7 Brynderwen Close is a semi-detached house in Cardiff (CF23 6BR). It has a recorded floor area of 121 m² (around 1302 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (October 2013) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (May 2009); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good. The recommended improvements would lift it to C (score 78), a 2-band jump. The latest certificate is from October 2013, so improvements made since then won't be reflected.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include tree works and an extension, meaningful when judging how the property has evolved.
Energy performance
7 Brynderwen Close sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 28 Oct 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
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Planning history
7 Brynderwen Close has an approved single-storey rear extension on the planning record.
3 applications on record at 7 Brynderwen Close, Cardiff, CF23 6BR
- Oct 2013Tree WorksTreesOutcome in report
PRUNE ROWAN TREE
- Reference
- CYNC/TP/13/00165
- More recent applications — locked
- Tree WorksOct 2023Decision
- ExtensionMay 2018Decision
Unlock 7 Brynderwen Close, Cardiff, CF23 6BR's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 1 notable nearby
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
7 Brynderwen Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£439,000
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 6BR: £505,000 (2025–2016).
Nearby sales in CF23 6BR
Versus other Brynderwen Close homes
On epc rating, 7 Brynderwen Close runs well behind the street norm.
EPC Rating
52 (E)
Street avg 65 (D)
Floor Area
121 m²
Street avg 138 m²
CO₂ Emissions
6.3 t/year
Street avg 4.9 t/year
Habitable Rooms
6 rooms
Street avg 6 rooms
Similar properties nearby
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
Celyn Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







