489 High Street, Harlington, Hayes, UB3 5DL

489 High Street is a semi-detached house in Harlington, Hayes, Hayes (UB3 5DL). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (March 2018) shows an E (score 40), well below the UK norm with real room to improve. When first surveyed in February 2015 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average. The recommended improvements would lift it to C (score 69), a 2-band jump. Main heating runs on electricity. At 54 m² this is the 7th 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.

Held since December 2000 — that's 25 years off the open market, well above the local norm. 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 £263,000 sits 207.6% above the 2000 sale of £85,500. On a £-per-square-foot basis, the last sale (£147/sq ft) was about 36.7% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). 4 planning records sit against the property, 0 approved, 0 refused.