51a, Glenthorne Road, Barnet, London, N11 3HU

51a is an end-of-terrace house in Barnet, London, London (N11 3HU). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (December 2025) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2010. Between certificates, lighting went from Very Poor to Good; while window efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 75). This certificate was lodged in the last six months, so the rating reflects current condition. At 56 m² this is the 12th smallest of 32 units on EPC record in the building, where floor areas span 16–152 m². The building's EPC ratings span F to C across 32 units on file.

Today's modelled estimate of £342,000 sits 59.1% above the 2011 sale of £215,000. On a £-per-square-foot basis, the last sale (£357/sq ft) was about 18.5% above the typical sold price in the postcode. Last changed hands 15 years ago, in July 2011. At 56 m² it's 22.2% smaller than the typical home in the postcode (72 m² median across 34 EPCs).