117 Riverdale Road, Erith, DA8 1PY

117 Riverdale Road is a mid-terrace house in Erith (DA8 1PY). It has a recorded floor area of 15 m² (around 161 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (July 2017) shows a D (score 56), a step below the typical UK home. When first surveyed in January 2016 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 70). Main heating runs on electricity. At 15 m² this is the 2nd smallest of 26 units on EPC record in the building, where floor areas span 12–130 m². The building's EPC ratings span E to C across 26 units on file.

Sale prices here have outpaced England HPI: 14.5% per year against 0% for the wider region. Today's modelled estimate of £215,000 is 51.1% below the 2017 sale of £440,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£2,725/sq ft) was about 1545.9% above the typical sold price in the postcode. At 15 m² it sits well below the postcode median (93 m² across 25 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 9 years ago, in October 2017.