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This certificate is over 10 years old and is no longer valid.Expired 01 Apr 2025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
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- Every decision — granted, refused or withdrawn (3 on record)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
9/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.







