104a, Flat 1, Cowbridge Road East, Cardiff, CF11 9DX
About 104a
104a is an end-of-terrace house in Cardiff (CF11 9DX). It has a recorded floor area of 49 m² (around 527 sq ft) and construction records dating it to 1900-1929. At 49 m² this is the 2nd smallest of 3 units on EPC record in 104a, where floor areas span 36–63 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (November 2016) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since September 2014. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Very Poor to Good and window efficiency went from Poor to Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Poor. Main heating runs on electricity.
At 49 m² it's 23.4% smaller than the typical home in the postcode (64 m² median across 12 EPCs).
Energy performance
EPC Rating
Certificate validity
Valid until 2 November 2026
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system changed
Windows upgraded, improving insulation
Roof insulation improved
Heating system upgraded to a more efficient system
Heating controls changed
Wall insulation improved
Roof insulation improved
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
104a has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
104a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£192,000
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 9DX: £276,000 (2023–2019).
Nearby sales in CF11 9DX
Flat, 102 Cowbridge Road East, Cardiff, CF11 9DX
Sold Aug 2023
£276,000114 Cowbridge Road East, Cardiff, CF11 9DX
Sold Jun 2021
£220,000116 Cowbridge Road East, Cardiff, CF11 9DX
Sold Feb 2021
£320,000Flat 1 3, 106 Cowbridge Road East, Cardiff, CF11 9DX
Sold May 2019
£275,000Flat, 86 Cowbridge Road East, Cardiff, CF11 9DX
Sold Apr 2009
£230,000
Versus other Cowbridge Road East homes
EPC Rating for 104a runs comfortably ahead of the street norm.
EPC Rating
61 (D)
Street avg 53 (E)
Floor Area
49 m²
Street avg 63 m²
CO₂ Emissions
3.2 t/year
Street avg 3.6 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
362/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Wyndham Crescent — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







