12 13 Highland Mansions, Flat 1, 117 Pevensey Road, St Leonards On Sea, TN38 0LZ

12 13 Highland Mansions is a mid-terrace house in St Leonards On Sea (TN38 0LZ). It has a recorded floor area of 166 m² (around 1787 sq ft) and construction records dating it to before 1900. The latest certificate (September 2024) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Poor and lighting went from Poor to Good. The recommended improvements would push it to C (score 80).

At 166 m² the property is well over the postcode median (47 m² across 18 EPCs), placing it in the larger end of the local stock. Across 2007–2015, sale prices on this property compounded at 0.8% per year. Today's modelled estimate of £428,000 is 42.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£168/sq ft) was about 43.3% below the postcode norm. On the market in November 2015 and unlisted since — roughly 11 years.