491 High Street, Harlington, Hayes, UB3 5DL

491 High Street is a two-bedroom 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 1967-1975 and council tax band C. The latest certificate (March 2017) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), 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.

Untraded for 18 years, with the last transfer in June 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Across 2005–2008, sale prices on this property compounded at 8% per year. Today's modelled estimate of £255,000 is 40.9% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£311/sq ft) was about 44.3% above the typical sold price in the postcode. 4 planning records sit against the property, 0 approved, 0 refused.