1a, Cardigan Street, Cardiff, CF5 1QU
About 1a
1a is a one-bedroom semi-detached house in Cardiff (CF5 1QU). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 2007-2011 and council tax band C. The latest certificate (December 2021) shows a C (score 75), near the top of the C band. Earlier certificates rated it B (December 2010); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good and lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to A (score 94), a 2-band jump. Other recorded features include outbuildings.
At 37 m² it sits well below the postcode median (75 m² across 9 EPCs), making it one of the more compact homes locally. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Across 2012–2024, sale prices on this property compounded at 2.5% per year. Today's modelled estimate of £176,000 is 10% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£402/sq ft) was about 64.7% above the typical sold price in the postcode. Sold March 2024 for £160,000.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- Private gardenFront
- OutbuildingsYes
Building
- Heating systemGas
Energy performance
1a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
1a 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
£176,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.5% per year over 12 years.
£160,000
Growth on file: 2.5% per year over 12 years.
Sales timeline
1 March 2024Most recent
£160,000
+33.3%over 11 years15 May 2012
£120,000
Median price across the last 5 sales in CF5 1QU: £285,000 (2024–2022).
Nearby sales in CF5 1QU
Versus other Cardigan Street homes
On epc rating, 1a stands well clear of the street.
Price per m²
£4,324
Street avg £3,425
Floor Area
37 m²
Street avg 69 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.2 t/year
Street avg 2.8 t/year
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Thompsons Park — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







