40 Byfield Road, Isleworth, TW7 7AF

40 Byfield Road is a one-bedroom detached house in Isleworth (TW7 7AF). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (January 2026) shows a C (score 69), just inside the C band. When first surveyed in January 2012 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average; while window efficiency dropped from Good to Poor. This certificate was lodged in the last six months, so the rating reflects current condition. Other recorded features include a loft.

At 58 m² it sits well below the postcode median (84 m² across 14 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). Most recent transfer: April 2020 at £251,950. Across the public record there are 6 sales, relatively high churn for a single property. Across 1997–2020, sale prices on this property compounded at 7.8% per year. On a £-per-square-foot basis, the last sale (£404/sq ft) was about 17.2% above the typical sold price in the postcode.