116a, St Marks Road, Enfield, EN1 1BB

116a is an end-of-terrace house in Enfield (EN1 1BB). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (October 2019) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in September 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good and window efficiency went from Very Poor to Average; while lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 71). At 80 m² this is the 34th smallest of 40 units on EPC record in the building, where floor areas span 32–176 m². The building's EPC ratings span F to C across 40 units on file.

At 80 m² the property is well over the postcode median (61 m² across 39 EPCs), placing it in the larger end of the local stock. Across 2006–2016, sale prices on this property compounded at 0.5% per year. Today's modelled estimate of £356,000 sits 67.5% above the 2016 sale of £212,500. On a £-per-square-foot basis, the last sale (£247/sq ft) was about 15.1% above the typical sold price in the postcode. On the market in November 2016 and unlisted since — roughly 10 years.