Dartmouth House, Flat 24, Royal Quarter, Seven Kings Way, Kingston Upon Thames, KT2 5BJ

Dartmouth House is a one-bedroom mid-terrace house in Kingston Upon Thames (KT2 5BJ). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 2003-2006 and council tax band D. At 40 m² this is the smallest unit on EPC record across Dartmouth House (40–129 m²). The building's EPC ratings span E to B, with this unit at the top. Other recorded features include a balcony. The latest certificate (May 2020) returns a B (score 81), comfortably above the UK average. When first surveyed in November 2009 the rating was C, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Poor; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Poor. Main heating runs on electricity.

Held since October 2006 — that's 20 years off the open market, well above the local norm. At 40 m² it sits well below the postcode median (65 m² across 60 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). Across 2004–2006, sale prices on this property compounded at 2.6% per year. Today's modelled estimate of £324,000 is 37.9% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£546/sq ft) was about 17.5% above the typical sold price in the postcode.