3 Havengore House, Elm Road, Leigh On Sea, SS9 1SS

3 Havengore House is a one-bedroom semi-detached house in Leigh On Sea (SS9 1SS). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (July 2015) shows an F (score 30), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 74), a 3-band jump. Main heating runs on electricity. The latest certificate is from July 2015, so improvements made since then won't be reflected. At 51 m² this is the 12th smallest of 17 units on EPC record in the building, where floor areas span 34–66 m². The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (30 versus a best of 79).

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2015–2016, sale prices on this property compounded at 36.2% per year. Today's modelled estimate of £208,000 is 18.9% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£319/sq ft) was about 61.3% above the typical sold price in the postcode. On the market in July 2016 and unlisted since — roughly 10 years.