9 Blenheim Grove, Southwark, London, SE15 4QS

9 Blenheim Grove is an end-of-terrace house in Southwark, London, London (SE15 4QS). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to before 1900 and council tax band B. At 39 m² this is the 6th smallest of 36 units on EPC record in the building, where floor areas span 33–148 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (October 2021) shows a C (score 72). The rating has held steady at C across 2 certificates since March 2020. Between certificates, wall efficiency dropped from Good to Poor and window efficiency dropped from Very Good to Average.

16 planning records sit against the property, 9 approved, 3 refused. Past consents include an extension, subdivision and change of use to residential, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. Today's modelled estimate of £397,000 is 13.4% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£834/sq ft) was about 196.3% above the typical sold price in the postcode. On the market in January 2012 and unlisted since — roughly 14 years. At 39 m² it's 27.8% smaller than the typical home in the postcode (54 m² median across 35 EPCs).