20 Hadley Heights, Hadley Road, Barnet, EN5 5QH

20 Hadley Heights is a mid-terrace house in Barnet (EN5 5QH). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (March 2025) shows an E (score 40), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since October 2009. Between certificates, roof efficiency dropped from Very Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 84), a 3-band jump. Main heating runs on electricity. At 44 m² this is the 7th smallest of 27 units on EPC record in the building, where floor areas span 28–154 m². The building's EPC ratings span F to C across 27 units on file.

At 44 m² it's 26.7% smaller than the typical home in the postcode (60 m² median across 26 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Across 1997–2011, sale prices on this property compounded at 9.1% per year. Today's modelled estimate of £301,000 is 33.8% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£475/sq ft) was about 67.1% above the typical sold price in the postcode. Last changed hands 15 years ago, in July 2011.