18 Burnham Close, Southwark, London, SE1 5RL

18 Burnham Close is a one-bedroom mid-terrace house in Southwark, London, London (SE1 5RL). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1991-1995 and council tax band B. The latest certificate (November 2024) returns a B (score 81), comfortably above the UK average. When first surveyed in May 2011 the rating was C, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good, lighting went from Average to Very Good and main heating went from Poor to Average. Main heating runs on electricity. At 36 m² this is the 6th smallest of 18 units on EPC record in the building, where floor areas span 32–80 m². The building's EPC ratings span E to B, with this unit at the top. On EPC score it ranks first in the building (81 versus a worst of 46).

On energy efficiency it sits in the top 10% of properties in this postcode. On the market in December 2014 and unlisted since — roughly 11 years. Across the public record there are 5 sales, relatively high churn for a single property. Across 2000–2014, sale prices on this property compounded at 8.6% per year. On a £-per-square-foot basis, the last sale (£697/sq ft) was about 147.6% above the typical sold price in the postcode.