129 Riverdale Road, Erith, DA8 1PY

129 Riverdale Road is a three-bedroom mid-terrace house in Erith (DA8 1PY). It has a recorded floor area of 12 m² (around 129 sq ft), construction records dating it to 1930-1949 and council tax band C. At 12 m² this is the smallest unit on EPC record across the building (12–130 m²). The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (71 versus a worst of 50). Period features are noted in the property record. The latest certificate (December 2023) shows a C (score 71). When first surveyed in October 2015 the rating was E, the property has climbed 2 bands since. Between certificates, hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. Main heating runs on electricity.

Held since September 2006 — that's 20 years off the open market, well above the local norm. Sale prices here have outpaced England HPI: 15.1% per year against 0% for the wider region. Today's modelled estimate of £293,000 sits 89% above the 2006 sale of £155,000. On a £-per-square-foot basis, the last sale (£1,200/sq ft) was about 639.9% above the typical sold price in the postcode. At 12 m² it sits well below the postcode median (93 m² across 25 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 88% of similar EPCs).