Flat 1, 9 St Philip S Road, Surbiton, KT6 4DU

Flat 1 is a two-bedroom semi-detached house in Surbiton (KT6 4DU). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1900-1929 and council tax band C. At 71 m² this is the 6th smallest of 8 units on EPC record in the building, where floor areas span 56–73 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (August 2025) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2014. Between certificates, lighting went from Average to Very Good. The recommended improvements would push it to C (score 78).

On the market in February 2015 and unlisted since — roughly 11 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 2001–2015, sale prices on this property compounded at 8.1% per year. Today's modelled estimate of £495,000 is 27.9% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£506/sq ft) was about 46.5% above the typical sold price in the postcode.