12 Colnbrook Street, Southwark, London, SE1 6EZ

12 Colnbrook Street is a four-bedroom mid-terrace house in Southwark, London, London (SE1 6EZ). It has a recorded floor area of 130 m² (around 1399 sq ft), construction records dating it to 1930-1949 and council tax band G. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Period features are noted in the property record. The home occupies a cul-de-sac position. The latest certificate (February 2021) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in July 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 87), a 2-band jump.

Untraded for 27 years, with the last transfer in October 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 £1,546,000 sits 277.1% above the 1999 sale of £410,000. On a £-per-square-foot basis, the last sale (£293/sq ft) was about 64.5% below the postcode norm. 4 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. At 130 m² it's 22.9% larger than the typical home in the postcode (106 m² median across 17 EPCs).