3a, Hillside Crescent, Leigh On Sea, SS9 1EN

3a is a two-bedroom semi-detached house in Leigh On Sea (SS9 1EN). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (May 2018) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in July 2009 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and main heating went from Average to Good. The recommended improvements would push it to C (score 78). At 69 m² this is the 2nd smallest of 13 units on EPC record in the building, where floor areas span 65–294 m². The building's EPC ratings span E to C across 13 units on file.

On the market in April 2018 and unlisted since — roughly 8 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 1995–2018, sale prices on this property compounded at 8.5% per year. Today's modelled estimate of £341,000 is 25.4% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£366/sq ft) was about 22.1% above the typical sold price in the postcode. At 69 m² it's 24.5% smaller than the typical home in the postcode (91 m² median across 12 EPCs).