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 £239,000 sits 176.3% 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This certificate is over 10 years old and is no longer valid.Expired 20 Jan 2026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
Certificate validity
Expired on 20 January 2026
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.
£239,000
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
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.







