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

21 Hadley Heights is a mid-terrace house in Barnet (EN5 5QH). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (July 2014) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since August 2013. Between certificates, hot-water efficiency went from Very Poor to Poor. The recommended improvements would push it to D (score 65). Main heating runs on electricity. The latest certificate is from July 2014, so improvements made since then won't be reflected. At 60 m² this is the 14th 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.

It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Across 1995–2015, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £374,000 is 19.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£484/sq ft) was about 70.2% above the typical sold price in the postcode. On the market in April 2015 and unlisted since — roughly 11 years.