5 Mortimer Road, Cardiff, CF11 9JZ

5 Mortimer Road is a two-bedroom mid-terrace house in Cardiff (CF11 9JZ). It has a recorded floor area of 126 m² (around 1356 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (December 2025) shows a C (score 71). When first surveyed in February 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average.

At 126 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). On the market in November 2017 and unlisted since — roughly 9 years. Across the public record there are 6 sales, relatively high churn for a single property. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Across 1997–2017, sale prices on this property compounded at 10.4% per year. Today's modelled estimate of £430,000 is 34.1% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£236/sq ft) was about 19.9% above the typical sold price in the postcode.