Flat 3, 10 Arlington Road, Eastbourne, BN21 1DJ

Flat 3 is a two-bedroom semi-detached house in Eastbourne (BN21 1DJ). It has a recorded floor area of 100 m² (around 1076 sq ft) and construction records dating it to 1900-1929. At 100 m² this is the smallest unit on EPC record across the building (100–115 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (51 versus a best of 74). Other recorded features include a loft. The latest certificate (March 2013) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 72), a 2-band jump. The latest certificate is from March 2013, so improvements made since then won't be reflected.

Today's modelled estimate of £231,000 sits 84.8% above the 2013 sale of £125,000. On a £-per-square-foot basis, the last sale (£116/sq ft) was about 28.3% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). On the market in July 2013 and unlisted since — roughly 13 years.