Flat 1, 198 Ewell Road, Surbiton, KT6 6HL

Flat 1 is a semi-detached house in Surbiton (KT6 6HL). It has a recorded floor area of 40 m² (around 431 sq ft) and construction records dating it to before 1900. The latest certificate (September 2020) shows an E (score 40), well below the UK norm with real room to improve. When first surveyed in March 2009 the rating was G, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Poor; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to D (score 66). Main heating runs on electricity. At 40 m² this is the 3rd smallest of 10 units on EPC record in the building, where floor areas span 28–58 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (40 versus a best of 75).

It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). Across 2015–2022, sale prices on this property compounded at 0.9% per year. On a £-per-square-foot basis, the last sale (£708/sq ft) was about 48.8% above the typical sold price in the postcode. Sold October 2022 for £305,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.