Flat 1, 6 Cadogan Road, Surbiton, KT6 4DL

Flat 1 is a one-bedroom end-of-terrace house in Surbiton (KT6 4DL). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (November 2025) shows a C (score 78), near the top of the C band. When first surveyed in March 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Very Good, window efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. At 47 m² this is the 2nd smallest of 7 units on EPC record in the building, where floor areas span 40–65 m².

Today's modelled estimate of £566,000 is 29.3% below the 2012 sale of £800,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£1,581/sq ft) was about 322.4% above the typical sold price in the postcode. Last changed hands 14 years ago, in March 2012.