11 Carmarthen Street, Cardiff, CF5 1QG
About 11 Carmarthen Street
11 Carmarthen Street is a mid-terrace house in Cardiff (CF5 1QG). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (September 2025) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 80). Main heating runs on electricity.
Everything you need to know about 11 Carmarthen Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
11 Carmarthen Street's carbon output is low for the local stock.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
11 Carmarthen Street has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
11 Carmarthen Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£273,000
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 CF5 1QG: £255,000 (2022–2019).
Nearby sales in CF5 1QG
Versus other Carmarthen Street homes
11 Carmarthen Street outperforms the street on co₂ emissions by a wide margin.
EPC Rating
56 (D)
Street avg 59 (D)
Floor Area
75 m²
Street avg 88 m²
CO₂ Emissions
1.4 t/year
Street avg 4.3 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Everything you need to know about 11 Carmarthen Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Carmarthen Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.