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. The latest certificate (November 2016) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in October 2016 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Good and main heating went from Very Poor to Poor. Main heating runs on electricity. 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.
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
Property Improvements
Changes detected from historical EPC data
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 £885 · 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.
£207,000
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
9/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.







