21a, Grand Parade, Leigh On Sea, SS9 1DX

21a is a two-bedroom detached house in Leigh On Sea (SS9 1DX). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (April 2015) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump. The latest certificate is from April 2015, so improvements made since then won't be reflected. At 109 m² this is the 41st smallest of 47 units on EPC record in the building, where floor areas span 34–239 m². The building's EPC ratings span F to B across 47 units on file. Other recorded features include a balcony. Our model identifies extension potential, subject to local planning policy.

At 109 m² the property is well over the postcode median (78 m² across 46 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Across 1995–2016, sale prices on this property compounded at 8.2% per year. On a £-per-square-foot basis, the last sale (£366/sq ft) was about 21.6% above the typical sold price in the postcode. 10 years since the last transfer (February 2016).