12a, Marlborough Road, Richmond, TW10 6JR

12a is a three-bedroom semi-detached house in Richmond (TW10 6JR). It has a recorded floor area of 103 m² (around 1111 sq ft), construction records dating it to before 1900 and council tax band E. At 103 m² this is the 16th smallest of 30 units on EPC record in the building, where floor areas span 51–408 m². The building's EPC ratings span E to B across 30 units on file. Other recorded features include a conservatory. The latest certificate (September 2009) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 72). The latest certificate is from September 2009, so improvements made since then won't be reflected.

2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£1,035/sq ft) was about 79.9% above the typical sold price in the postcode. Last sale on file: £1,150,000 in February 2019.