9 Grosvenor Court, The Leas, Westcliff On Sea, SS0 8ED

9 Grosvenor Court is an end-of-terrace house in Westcliff On Sea (SS0 8ED). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (January 2018) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 59). At 78 m² this is the 3rd smallest of 12 units on EPC record in the building, where floor areas span 57–175 m². The building's EPC ratings span F to C across 12 units on file.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer: March 2022 at £291,500. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1997–2022, sale prices on this property compounded at 7.4% per year. On a £-per-square-foot basis, the last sale (£347/sq ft) was about 42% above the typical sold price in the postcode.