21 Green Tiles, Green Tiles Lane, Denham, Uxbridge, UB9 5HX

21 Green Tiles is a three-bedroom semi-detached house in Denham, Uxbridge, Uxbridge (UB9 5HX). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1930-1949 and council tax band D. Tenure is freehold. The latest certificate (May 2017) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in October 2008 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good, lighting went from Very Poor to Very Good and main heating went from Poor to Average; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 85), a 2-band jump. Main heating runs on electricity. At 73 m² this is the 18th smallest of 23 units on EPC record in the building, where floor areas span 45–103 m². The building's EPC ratings span F to C across 23 units on file. Other recorded features include a balcony.

Last sale on file: £410,000 in November 2021. 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. At 73 m² it's 17.7% larger than the typical home in the postcode (62 m² median across 22 EPCs). Across 2003–2021, sale prices on this property compounded at 5.7% per year. On a £-per-square-foot basis, the last sale (£522/sq ft) was about 96.4% above the typical sold price in the postcode.