100 Commercial Street, Tower Hamlets, London, E1 6LZ

100 Commercial Street is a mid-terrace house in Tower Hamlets, London, London (E1 6LZ). It has a recorded floor area of 41 m² (around 436 sq ft) and construction records dating it to before 1900. The latest certificate (March 2009) shows a G (score 13), near the bottom of the EPC scale. The recommended improvements would lift it to E (score 49), a 2-band jump. Main heating runs on electricity. The latest certificate is from March 2009, so improvements made since then won't be reflected. At 41 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 39–115 m². The building's EPC ratings span G to B, with this unit at the bottom. On EPC score it ranks last in the building (13 versus a best of 88).

At 41 m² the property is well over the postcode median (30 m² across 7 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 4 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.