15a, Aberdale Road, Polegate, BN26 6JH

15a is a one-bedroom mid-terrace house in Polegate (BN26 6JH). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (September 2014) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since August 2010. Between certificates, hot-water efficiency went from Very Poor to Poor and main heating went from Poor to Average; while roof efficiency dropped from Poor to Very Poor and lighting dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity. The latest certificate is from September 2014, so improvements made since then won't be reflected. At 38 m² this is the 10th smallest of 37 units on EPC record in the building, where floor areas span 36–60 m². The building's EPC ratings span F to C across 37 units on file.

Held since May 1996 — that's 30 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £138,000 sits 557.1% above the 1996 sale of £21,000. On a £-per-square-foot basis, the last sale (£51/sq ft) was about 75.9% below the postcode norm.