15a, King Street, Richmond, TW9 1ND

15a is a mid-terrace house in Richmond (TW9 1ND). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (September 2016) shows a C (score 76), near the top of the C band. When first surveyed in May 2015 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good. At 108 m² this is the 9th smallest of 12 units on EPC record in the building, where floor areas span 48–241 m². The building's EPC ratings span E to B across 12 units on file.

Across 2015–2016, sale prices on this property compounded at 43.1% per year. Today's modelled estimate of £791,000 is 12.1% below the 2016 sale of £900,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£774/sq ft) was about 23.3% below the postcode norm. At 108 m² the property is well over the postcode median (72 m² across 11 EPCs), placing it in the larger end of the local stock. Last changed hands 10 years ago, in December 2016.