23b, Middle Street, Worcester, WR1 1NQ

23b is a one-bedroom mid-terrace house in Worcester (WR1 1NQ). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (July 2020) shows an E (score 49), well below the UK norm with real room to improve. Earlier certificates rated it D (May 2010); the latest reading is one band lower. Between certificates, window efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and main heating went from Average to Good. The recommended improvements would lift it to C (score 76), a 2-band jump. At 72 m² this is the 21st smallest of 48 units on EPC record in the building, where floor areas span 32–164 m². The building's EPC ratings span F to B across 48 units on file.

Held since April 2001 — that's 25 years off the open market, well above the local norm. Across 1998–2001, sale prices on this property compounded at 13.5% per year. Today's modelled estimate of £130,000 sits 209.5% above the 2001 sale of £42,000. On a £-per-square-foot basis, the last sale (£54/sq ft) was about 65.6% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs).