13a, Earl Street, Cardiff, CF11 7DQ
About 13a
13a is a semi-detached house in Cardiff (CF11 7DQ). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (July 2025) shows a G (score 12), near the bottom of the EPC scale. The recommended improvements would lift it to D (score 66), a 3-band jump. Main heating runs on electricity.
At 47 m² it sits well below the postcode median (94 m² across 17 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
13a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
13a 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
13a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£150,000
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 CF11 7DQ: £227,500 (2025–2021).
Versus other Earl Street homes
EPC Rating for 13a lags the street by a wide margin.
EPC Rating
12 (G)
Street avg 61 (D)
Floor Area
47 m²
Street avg 99 m²
CO₂ Emissions
1.7 t/year
Street avg 4.6 t/year
Habitable Rooms
2 rooms
Street avg 5 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Earl Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







