497 High Street, Harlington, Hayes, UB3 5DL

497 High Street is a semi-detached house in Harlington, Hayes, Hayes (UB3 5DL). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (January 2023) shows a C (score 70). When first surveyed in October 2008 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Average, hot-water efficiency went from Very Poor to Average and lighting went from Poor to Very Good. Main heating runs on electricity. At 57 m² this is the 17th smallest of 23 units on EPC record in the building, where floor areas span 39–94 m². The building's EPC ratings span G to B across 23 units on file.

Untraded for 29 years, with the last transfer in February 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £235,000 sits 581.2% above the 1997 sale of £34,500. On a £-per-square-foot basis, the last sale (£56/sq ft) was about 75.8% below the postcode norm. 4 planning records sit against the property, 0 approved, 0 refused.