Flat 3, 23 Chadwick Road, Westcliff On Sea, SS0 8LS

Flat 3 is a two-bedroom semi-detached house in Westcliff On Sea (SS0 8LS). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1950-1966 and council tax band C. At 76 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 55–78 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (53 versus a best of 69). Other recorded features include notable views. The latest certificate (February 2019) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (March 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Poor to Average, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 74), a 2-band jump.

Held since June 2010 — that's 16 years off the open market, well above the local norm. Across 1997–2010, sale prices on this property compounded at 9.5% per year. Today's modelled estimate of £300,000 sits 53.8% above the 2010 sale of £195,000. At 76 m² it sits well below the postcode median (173 m² across 21 EPCs), making it one of the more compact homes locally.