Ospreys, Flat 15, 240 Leigh Road, Leigh On Sea, SS9 1BX

Ospreys is a two-bedroom semi-detached house in Leigh On Sea (SS9 1BX). It has a recorded floor area of 57 m² (around 614 sq ft) and construction records dating it to 1983-1990. At 57 m² this is the 13th smallest of 14 units on EPC record in Ospreys, where floor areas span 39–77 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (October 2018) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it C (October 2008); the latest reading is 2 bands lower. Between certificates, roof efficiency dropped from Very Good to Average and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on electricity.

Held since March 1995 — that's 31 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 £261,000 sits 335% above the 1995 sale of £59,995. On a £-per-square-foot basis, the last sale (£98/sq ft) was about 59.1% below the postcode norm.