25b, Beauchamp Street, Cardiff, CF11 6AW
About 25b
25b is a property in Cardiff (CF11 6AW). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (June 2026) shows an F (score 23), near the bottom of the EPC scale. Earlier certificates rated it D (November 2025); the latest reading is 2 bands lower. Between certificates, hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would lift it to C (score 77), a 3-band jump. Main heating runs on to be used only when there is no heating/hot. This certificate was lodged in the last six months, so the rating reflects current condition. At 69 m² this is the 11th smallest of 28 units on EPC record in the building, where floor areas span 32–163 m². The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (23 versus a best of 78).
At 69 m² it sits well below the postcode median (107 m² across 27 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.
Everything you need to know about 25b
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Energy performance
25b sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Certificate validity
Valid until 1 June 2036
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Hot water system changed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
25b has no planning applications on record.
But the area is active
10 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
25b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£138,000
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 6AW: £193,000 (2022–2003).
Nearby sales in CF11 6AW
Versus other Beauchamp Street homes
EPC Rating for 25b lags the street by a wide margin.
EPC Rating
23 (F)
Street avg 64 (D)
Floor Area
69 m²
Street avg 52 m²
CO₂ Emissions
1.7 t/year
Street avg 2.4 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 25b
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Crime
362/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Beauchamp Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.