11a, Elderton Road, Westcliff On Sea, SS0 8AG

11a is a one-bedroom semi-detached house in Westcliff On Sea (SS0 8AG). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1900-1929 and council tax band A. At 36 m² this is the smallest unit on EPC record across the building (36–164 m²). The building's EPC ratings span G to C across 52 units on file. The latest certificate (October 2024) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2008. Between certificates, lighting went from Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 75).

Across 2004–2011, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £153,000 sits 70% above the 2011 sale of £90,000. On a £-per-square-foot basis, the last sale (£232/sq ft) was about 56.1% above the typical sold price in the postcode. At 36 m² it sits well below the postcode median (74 m² across 51 EPCs), making it one of the more compact homes locally. Last sold in December 2011, so it's been off the market for around 14 years.