123b, Chichester Road, Portsmouth, PO2 0AQ

123b is a mid-terrace house in Portsmouth (PO2 0AQ). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (May 2018) shows an E (score 42), well below the UK norm with real room to improve. When first surveyed in May 2015 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average, window efficiency went from Poor to Average and main heating went from Very Poor to Average. The recommended improvements would push it to D (score 68). Main heating runs on electricity. At 42 m² this is the 5th smallest of 28 units on EPC record in the building, where floor areas span 31–131 m². The building's EPC ratings span F to C across 28 units on file.

Held since September 1998 — that's 28 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 £120,000 sits 471.4% above the 1998 sale of £21,000. On a £-per-square-foot basis, the last sale (£46/sq ft) was about 57.5% below the postcode norm. At 42 m² it's 22.2% smaller than the typical home in the postcode (54 m² median across 27 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs).