15 Thornhill Road, Sparkhill, Birmingham, B11 3LL

15 Thornhill Road is an end-of-terrace house in Sparkhill, Birmingham, Birmingham (B11 3LL). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (July 2016) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (June 2009); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 78), a 2-band jump.

Held since February 1996 — that's 30 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 £171,000 sits 584% above the 1996 sale of £25,000. On a £-per-square-foot basis, the last sale (£28/sq ft) was about 68.9% below the postcode norm.