42 John Bunn Mill, Bourneside Road, Addlestone, KT15 2JX

42 John Bunn Mill is a one-bedroom detached house in Addlestone (KT15 2JX). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1900-1929 and council tax band D. Tenure is freehold. There is a swimming pool on the plot, uncommon for the area. Other recorded features include a balcony. At 43 m² this is the smallest unit on EPC record across the building (43–98 m²). The building's EPC ratings span G to D across 15 units on file. The latest certificate (March 2023) shows an F (score 22), near the bottom of the EPC scale. When first surveyed in November 2018 the rating was G, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Poor, lighting went from Average to Very Good and main heating went from Very Poor to Average; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 75), a 3-band jump. Main heating runs on electricity.

Sale prices here have outpaced England HPI: 5% per year against 0% for the wider region. Today's modelled estimate of £275,000 is 11.3% below the 2023 sale of £310,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£670/sq ft) was about 128.6% above the typical sold price in the postcode. At 43 m² it sits well below the postcode median (67 m² across 37 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Last sale on file: £310,000 in August 2023. One historical planning record sits against the property in 2021.