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

20 Green Tiles is an end-of-terrace house in Denham, Uxbridge, Uxbridge (UB9 5HX). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (August 2022) shows an E (score 43), well below the UK norm with real room to improve. The rating has held steady at E across 4 certificates since May 2013. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Very Poor. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity. At 59 m² this is the 5th 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.

Last changed hands 11 years ago, in February 2015. Across the public record there are 4 sales, relatively high churn for a single property. Across 1999–2015, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £292,000 is 21.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£378/sq ft) was about 36.8% above the typical sold price in the postcode.