1a Hillborough Mansions, Hillborough Road, Westcliff On Sea, SS0 0RZ

1a Hillborough Mansions is a two-bedroom semi-detached house in Westcliff On Sea (SS0 0RZ). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (November 2023) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2013. Between certificates, lighting went from Average to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 78). At 51 m² this is the 13th smallest of 16 units on EPC record in the building, where floor areas span 34–52 m². The building's EPC ratings span E to C across 16 units on file. Other recorded features include a balcony.

At 51 m² it's 21.4% larger than the typical home in the postcode (42 m² median across 15 EPCs). On the market in June 2017 and unlisted since — roughly 9 years. Across 2003–2017, sale prices on this property compounded at 2.5% per year. Today's modelled estimate of £171,000 is 35.7% above the 2017 sale price.