41 Bertha Road, Birmingham, B11 2NN

41 Bertha Road is a two-bedroom semi-detached house in Birmingham (B11 2NN). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 1983-1990 and council tax band A. At 41 m² this is the smallest unit on EPC record across the building (41–125 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (May 2021) shows a C (score 72). When first surveyed in June 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Very Good to Good.

Held since September 2000 — that's 26 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £125,000 sits 190.7% above the 2000 sale of £43,000. On a £-per-square-foot basis, the last sale (£97/sq ft) was about 43.9% above the typical sold price in the postcode. At 41 m² it sits well below the postcode median (76 m² across 12 EPCs), making it one of the more compact homes locally.