15 Mortimer Road, Cardiff, CF11 9JZ
About 15 Mortimer Road
15 Mortimer Road is a two-bedroom mid-terrace house in Cardiff (CF11 9JZ). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1900-1929 and council tax band E. Tenure is freehold. The latest certificate (September 2025) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in November 2013 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good, hot-water efficiency went from Poor to Good and lighting went from Average to Good. The recommended improvements would push it to C (score 75). The home occupies a cul-de-sac position.
Untraded for 23 years, with the last transfer in September 2003. One planning application is currently pending a decision in 2026. Today's modelled estimate of £301,000 sits 374% above the 2003 sale of £63,500. On a £-per-square-foot basis, the last sale (£83/sq ft) was about 56.6% below the postcode norm.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- EnsuiteYes
Outside
- Cul-de-sacYes
Building
- TenureFreehold
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Roof insulation improved
More low energy lighting installed
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
An application for a loft conversion is currently awaiting a decision.
1 application on record at 15 Mortimer Road, Cardiff, CF11 9JZ
1 live now- Feb 2026Loft ConversionFullOutcome in report
Extension: Single storey · Rear of property
First floor rear extension and rear dormer loft conversion and lean-to roof addition to existing single storey structure
Extension- Documents
- 9 docs on file
- Reference
- 26/00401/HSE
Unlock 15 Mortimer Road, Cardiff, CF11 9JZ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn
- All 1 application on this property in full, plus 4 notable nearby
- The 9 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
15 Mortimer Road's modelled value sits at over four times its earliest registered sale price (2003).
£301,000
Modelled from EPC, postcode comparables.
£63,500
Recorded with HM Land Registry.
Sales timeline
11 September 2003Most recent
£63,500
Median price across the last 5 sales in CF11 9JZ: £265,000 (2025–2018).
Nearby sales in CF11 9JZ
Versus other Mortimer Road homes
Price per m² for 15 Mortimer Road lags the street by a wide margin.
Price per m²
£894
Street avg £2,660
Floor Area
71 m²
Street avg 88 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.8 t/year
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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.







