Anderson House, Flat 8, 12 St Martins Lane, Beckenham, BR3 3XS

Anderson House is a three-bedroom semi-detached house in Beckenham (BR3 3XS). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to 1996-2002 and council tax band G. At 128 m² this is the 4th smallest of 11 units on EPC record in Anderson House, where floor areas span 117–166 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (November 2017) shows a C (score 80), near the top of the C band. The recommended improvements would push it to B (score 83).

Held since June 2009 — that's 17 years off the open market, well above the local norm. Across the public record there are 5 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 2001–2009, sale prices on this property compounded at 2.1% per year. Today's modelled estimate of £714,000 sits 58.7% above the 2009 sale of £450,000.