12d, Cadogan Road, Surbiton, KT6 4DL

12d is a two-bedroom semi-detached house in Surbiton (KT6 4DL). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to before 1900 and council tax band C. At 56 m² this is the 29th smallest of 47 units on EPC record in the building, where floor areas span 24–115 m². The building's EPC ratings span G to C, with this unit at the top. Other recorded features include a balcony. The latest certificate (December 2022) shows a C (score 69), just inside the C band. When first surveyed in August 2011 the rating was E, the property has climbed 2 bands since. Between certificates, lighting went from Good to Very Good.

3 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. The record references conservation-area consent, which constrain future alterations. Across 2008–2017, sale prices on this property compounded at 3.6% per year. On a £-per-square-foot basis, the last sale (£751/sq ft) was about 104.7% above the typical sold price in the postcode. On the market in November 2017 and unlisted since — roughly 9 years.