Whitworth Court, Flat 9, 9 Whitworth Road, Southampton, SO18 1BF

Whitworth Court is a semi-detached house in Southampton (SO18 1BF). It has a recorded floor area of 37 m² (around 398 sq ft) and construction records dating it to 1996-2002. The latest certificate (June 2019) shows a D (score 62), on the cusp of jumping into the C band. Earlier certificates rated it C (September 2009); the latest reading is one band lower. Between certificates, window efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity. At 37 m² this is the 11th smallest of 23 units on EPC record in Whitworth Court, where floor areas span 33–50 m². The building's EPC ratings span E to B across 23 units on file.

Untraded for 27 years, with the last transfer in June 1999. 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 £134,000 sits 272.2% above the 1999 sale of £36,000. On a £-per-square-foot basis, the last sale (£90/sq ft) was about 54.9% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs).