7 Mortimer Road, Cardiff, CF11 9JZ
About 7 Mortimer Road
7 Mortimer Road is a mid-terrace house in Cardiff (CF11 9JZ). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (August 2024) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since February 2014. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Poor to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 82).
At 112 m² the property is well over the postcode median (79 m² across 30 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). Last sold in March 2018, so it's been off the market for around 8 years. Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2018. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Across 1997–2018, sale prices on this property compounded at 7.8% per year. Today's modelled estimate of £429,000 is 32% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£270/sq ft) was about 52.9% above the typical sold price in the postcode.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
1 application on record at 7 Mortimer Road, Cardiff, CF11 9JZ
- Jul 2018Loft ConversionFullOutcome in report
Extension: Single storey · Rear of property
PROPOSED SINGLE STOREY EXTENSION AND PROPOSED DORMER LOFT CONVERSION WITH ALTERATIONS TO THE MAIN ROOF
Extension- Documents
- 5 docs on file
- Reference
- 18/01189/DCH
Unlock 7 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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 4 notable nearby
- The 5 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
7 Mortimer Road has more than quadrupled in price since its earliest registered sale in 1997.
£429,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.8% per year over 20 years.
£325,000
Growth on file: 7.8% per year over 20 years.
Sales timeline
28 March 2018Most recent
£325,000
+22.6%over 3 years28 August 2014
£265,000
+65.6%over 5 years5 April 2009
£160,000
+128.7%over 11 years21 November 1997
£69,950
Median price across the last 5 sales in CF11 9JZ: £265,000 (2025–2018).
Nearby sales in CF11 9JZ
Versus other Mortimer Road homes
7 Mortimer Road outperforms the street on floor area by a wide margin.
Price per m²
£2,902
Street avg £2,559
Floor Area
112 m²
Street avg 86 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.7 t/year
Street avg 3.7 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.







