19d, Catherine Road, Surbiton, KT6 4HA

19d is a semi-detached house in Surbiton (KT6 4HA). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (June 2021) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in January 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Average to Very Good and main heating went from Average to Good. The recommended improvements would push it to C (score 77). At 43 m² this is the 7th smallest of 34 units on EPC record in the building, where floor areas span 34–345 m². The building's EPC ratings span G to C across 34 units on file.

At 43 m² it sits well below the postcode median (77 m² across 33 EPCs), making it one of the more compact homes locally. Across 1996–2021, sale prices on this property compounded at 6.3% per year. On a £-per-square-foot basis, the last sale (£724/sq ft) was about 116.7% above the typical sold price in the postcode. Most recent transfer: September 2021 at £335,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.