4c, Parsons Mead, Croydon, CR0 3SL

4c is a semi-detached house in Croydon (CR0 3SL). It has a recorded floor area of 30 m² (around 323 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (May 2022) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it C (February 2012); the latest reading is 2 bands lower. Between certificates, wall efficiency went from Very Poor to Poor; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would lift it to C (score 78), a 2-band jump. Main heating runs on electricity. At 30 m² this is the 4th smallest of 63 units on EPC record in the building, where floor areas span 28–144 m². The building's EPC ratings span F to B across 63 units on file.

Untraded for 20 years, with the last transfer in January 2006. At 30 m² it sits well below the postcode median (59 m² across 62 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £171,000 is 48.7% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£356/sq ft) was about 114.1% above the typical sold price in the postcode.