10 Lonsdale Road, Penylan, Cardiff, CF23 9JF

10 Lonsdale Road is a semi-detached house in Penylan, Cardiff, Cardiff (CF23 9JF). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (September 2019) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in October 2014 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Very Poor to Good and main heating went from Average to Good; while roof efficiency dropped from Very Good to Good and lighting dropped from Very Good to Good. The recommended improvements would lift it to B (score 81), a 2-band jump.

Across 2008–2023, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £404,000 is 11.2% below the 2023 sale of £455,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£318/sq ft) was about 30.8% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include tree works and an extension, meaningful when judging how the property has evolved. At 133 m² it's 24.9% larger than the typical home in the postcode (107 m² median across 10 EPCs). Sold November 2023 for £455,000.