Flat C, 20 Champion Grove, Southwark, London, SE5 8BW

Flat C is a two-bedroom semi-detached house in Southwark, London, London (SE5 8BW). It has a recorded floor area of 83 m² (around 893 sq ft) and construction records dating it to before 1900. The latest certificate (March 2019) shows a C (score 69), just inside the C band. When first surveyed in February 2009 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Poor, hot-water efficiency went from Average to Good and lighting went from Very Poor to Average; while roof efficiency dropped from Good to Average.

It hasn't traded since November 2009, a hold of 17 years that's notably long for the area. Across the public record there are 4 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1997–2009, sale prices on this property compounded at 8.7% per year. Today's modelled estimate of £594,000 sits 103.1% above the 2009 sale of £292,500. On a £-per-square-foot basis, the last sale (£327/sq ft) was about 23.3% below the postcode norm. Its energy rating outperforms most of the postcode (better than 82% of similar EPCs).