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 (65 m² across 27 EPCs), making it one of the more compact homes locally. Last sold in January 2017, so it's been off the market for around 10 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 £103,000 is 28.8% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£437/sq ft) was about 70.6% above the typical sold price in the postcode.