1a, Deri Road, Cardiff, CF23 5AH
About 1a
1a is a one-bedroom mid-terrace house in Cardiff (CF23 5AH). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (March 2021) shows a C (score 69), just inside the C band. When first surveyed in July 2018 the rating was F, the property has climbed 3 bands since. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and main heating went from Poor to Good.
At 79 m² it's 28.2% smaller than the typical home in the postcode (110 m² median across 20 EPCs). Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Today's modelled estimate of £186,000 is 40.9% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£155/sq ft) was about 20.9% below the postcode norm. Sold November 2018 for £132,000.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- StudyYes
Energy performance
EPC Rating
Certificate validity
Valid until 17 March 2031
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
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 £820 · Includes VAT
Planning history
1a has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£186,000
Modelled from EPC, postcode comparables.
£132,000
Recorded with HM Land Registry.
Sales timeline
9 November 2018Most recent
£132,000
Median price across the last 5 sales in CF23 5AH: £450,000 (2025–2022).
Similar properties nearby
The neighbourhood at a glance
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Waterloo Gardens — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







