15 Sandringham House, Courtlands, Sheen Road, Richmond, TW10 5BG

15 Sandringham House is a three-bedroom mid-terrace house in Richmond (TW10 5BG). It has a recorded floor area of 101 m² (around 1087 sq ft), construction records dating it to 1950-1966 and council tax band E. At 101 m² this is the 2nd smallest of 12 units on EPC record in the building, where floor areas span 99–114 m². The building's EPC ratings span E to C, with this unit at the bottom. Other recorded features include a balcony. The latest certificate (April 2024) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2009. Between certificates, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to D (score 56).

Held since November 2001 — that's 25 years off the open market, well above the local norm. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £695,000 sits 139.7% above the 2001 sale of £290,000. On a £-per-square-foot basis, the last sale (£267/sq ft) was about 58% below the postcode norm.