Flat 6, 116 Twickenham Road, Isleworth, TW7 7DJ

Flat 6 is a two-bedroom end-of-terrace house in Isleworth (TW7 7DJ). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (July 2022) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in January 2012 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good and lighting went from Poor to Very Good; while wall efficiency dropped from Good to Poor. At 69 m² this is the 5th smallest of 6 units on EPC record in the building, where floor areas span 64–69 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (60 versus a best of 79). Other recorded features include a balcony.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2006–2022, sale prices on this property compounded at 2.3% per year. Today's modelled estimate of £360,000 is 24.1% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£390/sq ft) was about 30% below the postcode norm. Most recent transfer: October 2022 at £290,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.