9 Abercynon Street, Cardiff, CF11 7AJ
About 9 Abercynon Street
9 Abercynon Street is a mid-terrace house in Cardiff (CF11 7AJ). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (January 2016) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump. The latest certificate is from January 2016, so improvements made since then won't be reflected.
Held since March 2001 — that's 25 years off the open market, well above the local norm. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1995–2001, sale prices on this property compounded at 12.2% per year. Today's modelled estimate of £262,000 sits 202.9% above the 2001 sale of £86,500. On a £-per-square-foot basis, the last sale (£76/sq ft) was about 58% below the postcode norm.
Energy performance
9 Abercynon Street 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This certificate is over 10 years old and is no longer valid.Expired 20 Jan 2026
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
9 Abercynon Street has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 9 Abercynon Street was the lowest on Land Registry record across the postcode.
£262,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.2% per year over 6 years.
£86,500
Growth on file: 12.2% per year over 6 years.
Sales timeline
29 March 2001Most recent
£86,500
+92.2%over 5 years27 July 1995
£45,000
Median price across the last 5 sales in CF11 7AJ: £305,000 (2023–2020).
Nearby sales in CF11 7AJ
Versus other Abercynon Street homes
On price per m², 9 Abercynon Street runs well behind the street norm.
Price per m²
£816
Street avg £2,364
Floor Area
106 m²
Street avg 103 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.0 t/year
Street avg 3.8 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.







