27 Treetops, Hillside Road, Whyteleafe, CR3 0BY

27 Treetops is a one-bedroom end-of-terrace house in Whyteleafe (CR3 0BY). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1967-1975 and council tax band C. At 51 m² this is the 5th smallest of 53 units on EPC record in the building, where floor areas span 47–63 m². The building's EPC ratings span D to B, with this unit at the bottom. Other recorded features include a balcony. The latest certificate (July 2019) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it B (January 2009); the latest reading is 2 bands lower. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 78).

Sale prices here have outpaced England HPI: 3.6% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£443/sq ft) was about 62.2% above the typical sold price in the postcode. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Sold December 2021 for £243,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.