Philip House, Flat 18, Denham Road, Barnet, London, N20 0DL

Philip House is a one-bedroom detached house in Barnet, London, London (N20 0DL). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1930-1949 and council tax band A. At 37 m² this is the smallest unit on EPC record across Philip House (37–66 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (January 2021) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2011); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 76).

At 37 m² it sits well below the postcode median (59 m² across 10 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs). One planning record on file: new windows approved in 2009. Past consents include new windows, meaningful when judging how the property has evolved. Across 2002–2017, sale prices on this property compounded at 5.6% per year. On a £-per-square-foot basis, the last sale (£603/sq ft) was about 65.3% above the typical sold price in the postcode. On the market in August 2017 and unlisted since — roughly 9 years.