137b, St James Road, Sutton, SM1 2TJ

137b is a mid-terrace house in Sutton (SM1 2TJ). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (November 2025) shows a C (score 69), just inside the C band. When first surveyed in April 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Average to Poor. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 41 m² this is the 11th smallest of 41 units on EPC record in the building, where floor areas span 21–297 m². The building's EPC ratings span F to B across 41 units on file.

At 41 m² it sits well below the postcode median (62 m² across 40 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). One planning record on file: a loft conversion approved in 2023. Past consents include a loft conversion, meaningful when judging how the property has evolved.