Gilbert House, Flat 9, The Drive, Waltham Forest, London, E17 3DQ

Gilbert House is a semi-detached house in Waltham Forest, London, London (E17 3DQ). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1950-1966. The latest certificate (October 2025) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in March 2015 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average; while lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 75). At 55 m² this is the 17th smallest of 27 units on EPC record in Gilbert House, where floor areas span 28–69 m². The building's EPC ratings span D to B, with this unit at the bottom.

Untraded for 20 years, with the last transfer in August 2006. At 55 m² the property is well over the postcode median (42 m² across 26 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). Across 2002–2006, sale prices on this property compounded at 16.9% per year. Today's modelled estimate of £320,000 sits 113.3% above the 2006 sale of £150,000. On a £-per-square-foot basis, the last sale (£253/sq ft) was about 36.7% below the postcode norm.