12 Abercynon Street, Cardiff, CF11 7AJ
About 12 Abercynon Street
12 Abercynon Street is a three-bedroom mid-terrace house in Cardiff (CF11 7AJ). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (April 2015) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 3 certificates since August 2011. Between certificates, wall efficiency went from Poor to Good; while lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 76). The latest certificate is from April 2015, so improvements made since then won't be reflected. Period features are noted in the property record.
3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. On the market in November 2012 and unlisted since — roughly 14 years. Across 2002–2012, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £266,000 is 42.2% above the 2012 sale price.
What this property has
Inside
- Bedrooms3
Outside
- Private gardenRear
Building
- Central heatingYes
- Period featuresYes
Energy performance
12 Abercynon Street's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Apr 2025
EPC Rating
Certificate validity
Expired on 1 April 2025
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
Low energy lighting percentage decreased
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Planning history
12 Abercynon Street has 2 separate extension applications on the council record.
3 applications on record at 12 Abercynon Street, Cardiff, CF11 7AJ
- Mar 2015ExtensionFullOutcome in report
Extension: Single storey · Rear of property
ERECTION OF A SINGLE-STOREY REAR EXTENSION.
- Documents
- 11 docs on file
- Reference
- 15/00419/DCH
- More recent applications — locked
- Loft ConversionJan 2024Decision
- ExtensionMay 2015Decision
Unlock 12 Abercynon Street, Cardiff, CF11 7AJ'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- Every decision — granted, refused or withdrawn (3 on record)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 8 notable nearby
- The 33 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
12 Abercynon Street valuation sits well clear of the typical sold price in this postcode.
£266,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 11 years.
£187,000
Growth on file: 5.1% per year over 11 years.
Sales timeline
5 November 2012Most recent
£187,000
+70.0%over 10 years8 February 2002
£110,000
Median price across the last 5 sales in CF11 7AJ: £305,000 (2023–2020).
Nearby sales in CF11 7AJ
Versus other Abercynon Street homes
EPC Rating for 12 Abercynon Street lags the street by a wide margin.
Price per m²
£2,011
Street avg £2,245
Floor Area
93 m²
Street avg 104 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.0 t/year
Street avg 4.0 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
362/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cambridge Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







