3 Windlesham House, Duchess Walk, Southwark, London, SE1 2RZ

3 Windlesham House is a three-bedroom semi-detached house in Southwark, London, London (SE1 2RZ). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 2012 onwards and council tax band G. There is a swimming pool on the plot, uncommon for the area. Other recorded features include a balcony. At 103 m² this is the 9th smallest of 12 units on EPC record in the building, where floor areas span 63–103 m². The building's EPC ratings span C to B, with this unit at the top. The latest certificate (June 2024) returns a B (score 84), comfortably above the UK average. The rating has held steady at B across 2 certificates since April 2014. Between certificates, hot-water efficiency dropped from Very Good to Good. Main heating runs on electricity.

Today's modelled estimate of £1,226,000 is 25% below the 2014 sale of £1,635,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£1,475/sq ft) was about 16.8% above the typical sold price in the postcode. At 103 m² it's 17% larger than the typical home in the postcode (88 m² median across 11 EPCs). 3 bedrooms is on the larger side for this postcode, where 1 is the typical count. On the market in August 2014 and unlisted since — roughly 12 years.