40 Bertha Road, Birmingham, B11 2NN

40 Bertha Road is a semi-detached house in Birmingham (B11 2NN). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1976-1982 and council tax band A. The latest certificate (July 2014) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (August 2012); the latest reading is one band lower. Between certificates, roof efficiency went from Poor to Average, window efficiency went from Poor to Average and hot-water efficiency went from Poor to Average; while wall efficiency dropped from Good to Average and lighting dropped from Very Good to Average. The recommended improvements would lift it to B (score 85), a 3-band jump. The latest certificate is from July 2014, so improvements made since then won't be reflected.

Held since October 2002 — that's 24 years off the open market, well above the local norm. Sale prices here have outpaced Birmingham HPI: 3.9% per year against 0% for the wider region. Today's modelled estimate of £176,000 sits 291.1% above the 2002 sale of £45,000. On a £-per-square-foot basis, the last sale (£44/sq ft) was about 53.8% below the postcode norm. At 96 m² the property is well over the postcode median (56 m² across 12 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.