30 Gloucester House, Courtlands, Sheen Road, Richmond, TW10 5BB

30 Gloucester House is a two-bedroom mid-terrace house in Richmond (TW10 5BB). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (September 2017) shows an E (score 53), well below the UK norm with real room to improve. When first surveyed in September 2012 the rating was F, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good, lighting went from Very Poor to Good and main heating went from Poor to Good; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to D (score 60). At 76 m² this is the 4th smallest of 25 units on EPC record in the building, where floor areas span 75–104 m². The building's EPC ratings span E to B, with this unit at the bottom. Other recorded features include a balcony and notable views.

Held since September 2004 — that's 22 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. Across 1998–2004, sale prices on this property compounded at 11.1% per year. Today's modelled estimate of £583,000 sits 97.1% above the 2004 sale of £295,800. On a £-per-square-foot basis, the last sale (£362/sq ft) was about 29% below the postcode norm.