30a, Dawlish Drive, Leigh On Sea, SS9 1QX

30a is an end-of-terrace house in Leigh On Sea (SS9 1QX). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (March 2019) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2008. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Average. The recommended improvements would push it to C (score 76). At 58 m² this is the 4th smallest of 45 units on EPC record in the building, where floor areas span 33–226 m². The building's EPC ratings span F to C across 45 units on file.

At 58 m² it sits well below the postcode median (96 m² across 44 EPCs), making it one of the more compact homes locally. 10 years since the last transfer (May 2016). Across the public record there are 6 sales, relatively high churn for a single property. Across 1998–2016, sale prices on this property compounded at 9.4% per year. Today's modelled estimate of £241,000 is 20.5% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£320/sq ft) was about 54.3% above the typical sold price in the postcode.