91a, Dulwich Village, Southwark, London, SE21 7BJ

91a is an end-of-terrace house in Southwark, London, London (SE21 7BJ). It has a recorded floor area of 73 m² (around 786 sq ft) and construction records dating it to 1900-1929. The latest certificate (July 2024) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in October 2008 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 73). At 73 m² this is the 2nd smallest of 15 units on EPC record in the building, where floor areas span 68–540 m². The building's EPC ratings span F to C across 15 units on file.

Held since January 2006 — that's 20 years off the open market, well above the local norm. Across 1999–2006, sale prices on this property compounded at 7% per year. Today's modelled estimate of £550,000 sits 120.4% above the 2006 sale of £249,500. On a £-per-square-foot basis, the last sale (£318/sq ft) was about 63.8% below the postcode norm. At 73 m² it sits well below the postcode median (186 m² across 14 EPCs), making it one of the more compact homes locally.