Flat 1, 5 Marine Parade, Eastbourne, BN21 3DX

Flat 1 is a two-bedroom mid-terrace house in Eastbourne (BN21 3DX). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to before 1900 and council tax band A. At 47 m² this is the largest unit on EPC record across the building (32–47 m²). The building's EPC ratings span F to D, with this unit at the bottom. On EPC score it ranks last in the building (26 versus a best of 64). The latest certificate (January 2015) shows an F (score 26), near the bottom of the EPC scale. Earlier certificates rated it E (January 2010); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Good; while main heating dropped from Poor to Very Poor. The recommended improvements would lift it to D (score 66), a 2-band jump. Main heating runs on electricity. The latest certificate is from January 2015, so improvements made since then won't be reflected.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2002–2015, sale prices on this property compounded at 3.2% per year. Today's modelled estimate of £149,000 is 22.1% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£241/sq ft) was about 21.6% above the typical sold price in the postcode. Last changed hands 11 years ago, in October 2015.