Flat 4, 6 Darwin Road, Southampton, SO15 5BT

Flat 4 is a semi-detached house in Southampton (SO15 5BT). It has a recorded floor area of 35 m² (around 377 sq ft) and construction records dating it to 1900-1929. At 35 m² this is the 3rd smallest of 6 units on EPC record in the building, where floor areas span 27–39 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (August 2021) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2011. Between certificates, hot-water efficiency went from Very Poor to Poor; while wall efficiency dropped from Good to Average and lighting dropped from Very Good to Very Poor. The recommended improvements would push it to C (score 70). Main heating runs on electricity.

It hasn't traded since May 1997, a hold of 29 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £118,000 sits 574.3% above the 1997 sale of £17,500. On a £-per-square-foot basis, the last sale (£46/sq ft) was about 72.3% below the postcode norm. At 35 m² it's 20.7% larger than the typical home in the postcode (29 m² median across 19 EPCs).