Rear Of 1a, Mortimer Road, Cardiff, CF11 9JZ
About Rear Of 1a
Rear Of 1a is a mid-terrace house in Cardiff (CF11 9JZ). It has a recorded floor area of 68 m² (around 732 sq ft) and construction records dating it to before 1900. The latest certificate (April 2012) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in July 2010 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Poor to Average; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 90), a 2-band jump. The latest certificate is from April 2012, so improvements made since then won't be reflected.
At 68 m² it's 17.1% smaller than the typical home in the postcode (82 m² median across 30 EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Apr 2022
EPC Rating
Property Improvements
Changes detected from historical EPC data
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 £955 · Includes VAT
Planning history
Rear Of 1a 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
Rear Of 1a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£325,000
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 9JZ: £265,000 (2025–2018).
Nearby sales in CF11 9JZ
Versus other Mortimer Road homes
On co₂ emissions, Rear Of 1a stands well clear of the street.
EPC Rating
63 (D)
Street avg 63 (D)
Floor Area
68 m²
Street avg 88 m²
CO₂ Emissions
3.1 t/year
Street avg 3.8 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Halfway Hotel — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







