15 Crowstone Avenue, Westcliff On Sea, SS0 8HT

15 Crowstone Avenue is a four-bedroom semi-detached house in Westcliff On Sea (SS0 8HT). It has a recorded floor area of 141 m² (around 1515 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (April 2009) shows an E (score 46), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 59). The latest certificate is from April 2009, so improvements made since then won't be reflected. At 141 m² this is the 6th smallest of 16 units on EPC record in the building, where floor areas span 70–296 m². The building's EPC ratings span F to C across 16 units on file. Other recorded features include a balcony.

Across 2018–2021, sale prices on this property compounded at 8.8% per year. On a £-per-square-foot basis, the last sale (£362/sq ft) was about 87.7% above the typical sold price in the postcode. At 141 m² it's 19.1% smaller than the typical home in the postcode (174 m² median across 15 EPCs). Sold February 2021 for £549,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2023.