358a, High Street, Sutton, SM1 1QE

358a is a mid-terrace house in Sutton (SM1 1QE). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (August 2021) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in March 2013 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 75). At 56 m² this is the 7th smallest of 9 units on EPC record in the building, where floor areas span 14–60 m². The building's EPC ratings span E to C across 9 units on file.

Held since August 2002 — that's 24 years off the open market, well above the local norm. At 56 m² the property is well over the postcode median (25 m² across 8 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £251,000 sits 172.8% above the 2002 sale of £92,000.