19 21, Second Floor Flat, Boltro Road, Haywards Heath, RH16 1BP

19 21 is a mid-terrace house in Haywards Heath (RH16 1BP). It has a recorded floor area of 40 m² (around 431 sq ft) and construction records dating it to before 1900. At 40 m² this is the smallest unit on EPC record across 19 21 (40–72 m²). The building's EPC ratings span E to D, with this unit at the bottom. The latest certificate (December 2021) shows an E (score 51), well below the UK norm with real room to improve. When first surveyed in July 2010 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Average and lighting went from Good to Very Good. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on electricity.

It hasn't traded since October 2003, a hold of 23 years that's notably long for the area. At 40 m² it's 24.5% smaller than the typical home in the postcode (53 m² median across 58 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £188,000 sits 88% above the 2003 sale of £100,000. On a £-per-square-foot basis, the last sale (£232/sq ft) was about 32.5% below the postcode norm.