100a, North Road, Cardiff, CF10 3DZ
About 100a
100a is a one-bedroom end-of-terrace house in Cardiff (CF10 3DZ). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1900-1929. The latest certificate (February 2024) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since November 2009. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to D (score 66).
At 55 m² it sits well below the postcode median (93 m² across 29 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. On a £-per-square-foot basis, the last sale (£422/sq ft) was about 216.2% above the typical sold price in the postcode. Sold July 2024 for £250,000.
What this property has
Inside
- Bedrooms1
Building
- Central heatingYes
Energy performance
100a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Roof insulation improved
More low energy lighting installed
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
100a has no planning applications on record.
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
100a's sale-price growth has lagged the wider UK trajectory across its history on file.
£246,000
Modelled from EPC, postcode comparables.
£250,000
Recorded with HM Land Registry.
Sales timeline
2 July 2024Most recent
£250,000
14 July 2010
£249,000
Median price across the last 5 sales in CF10 3DZ: £193,500 (2025–2017).
Versus other North Road homes
EPC Rating for 100a lags the street by a wide margin.
Price per m²
£4,545
Street avg £3,765
Floor Area
55 m²
Street avg 55 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
4.1 t/year
Street avg 2.0 t/year
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Blackweir — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







