9 Brunswick Quay, Southwark, London, SE16 7PU

9 Brunswick Quay is a one-bedroom semi-detached house in Southwark, London, London (SE16 7PU). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1996-2002 and council tax band C. The latest certificate (January 2020) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2009. Between certificates, window efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Poor to Very Poor. The recommended improvements would push it to C (score 78). Main heating runs on electricity. At 36 m² this is the 4th smallest of 24 units on EPC record in the building, where floor areas span 32–105 m². The building's EPC ratings span E to C across 24 units on file.

At 36 m² it sits well below the postcode median (54 m² across 23 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Across 1997–2019, sale prices on this property compounded at 6.9% per year. On a £-per-square-foot basis, the last sale (£748/sq ft) was about 108.7% above the typical sold price in the postcode. Sold July 2019 for £290,000. One historical planning record sits against the property in 2021.