2c Heene Court Mansions, Heene Terrace, Worthing, BN11 3NW

2c Heene Court Mansions is a mid-terrace house in Worthing (BN11 3NW). It has a recorded floor area of 17 m² (around 183 sq ft), construction records dating it to before 1900 and council tax band A. At 17 m² this is the smallest unit on EPC record across the building (17–161 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (July 2019) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (May 2009); the latest reading is one band lower. Between certificates, main heating dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 78), a 2-band jump. Main heating runs on to be used only when there is no heating/hot.

At 17 m² it sits well below the postcode median (60 m² across 26 EPCs), making it one of the more compact homes locally. Last sold in January 2017, so it's been off the market for around 9 years. Across the public record there are 5 sales, relatively high churn for a single property. Across 2010–2017, sale prices on this property compounded at 15.2% per year. Today's modelled estimate of £97,000 is 21.2% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£437/sq ft) was about 82.2% above the typical sold price in the postcode.