Sandbourne, Flat 39, Dartmouth Close, Westminster, London, W11 1DS

Sandbourne is a three-bedroom mid-terrace house in Westminster, London, London (W11 1DS). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (January 2024) shows a C (score 79), near the top of the C band. When first surveyed in October 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good and lighting went from Poor to Very Good; while wall efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 84). At 74 m² this is the 16th smallest of 31 units on EPC record in Sandbourne, where floor areas span 25–129 m². The building's EPC ratings span D to B across 31 units on file. Other recorded features include a balcony.

Sale prices here have outpaced London HPI: 10.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£785/sq ft) was about 57.8% above the typical sold price in the postcode. Last sold in June 2016, so it's been off the market for around 10 years. Across the public record there are 4 sales, relatively high churn for a single property.