Flat 6, 10 Catherine Road, Surbiton, KT6 4HA

Flat 6 is a semi-detached house in Surbiton (KT6 4HA). It has a recorded floor area of 35 m² (around 377 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (August 2022) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in October 2015 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Very Poor to Good and lighting went from Poor to Very Good. At 35 m² this is the 2nd smallest of 7 units on EPC record in the building, where floor areas span 34–84 m². The building's EPC ratings span D to C, with this unit at the bottom.

At 35 m² it sits well below the postcode median (77 m² across 33 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £292,000 is 19.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£650/sq ft) was about 94.7% above the typical sold price in the postcode. Last sale on file: £245,000 in September 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.