4 Grampian Close, Harlington, Hayes, UB3 5LQ

4 Grampian Close is a semi-detached house in Harlington, Hayes, Hayes (UB3 5LQ). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1967-1975 and council tax band C. At 43 m² this is the smallest unit on EPC record across the building (43–73 m²). The building's EPC ratings span E to C across 5 units on file. The latest certificate (October 2022) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73).

Untraded for 19 years, with the last transfer in December 2006. Across 1998–2006, sale prices on this property compounded at 12.5% per year. Today's modelled estimate of £236,000 sits 55.3% above the 2006 sale of £151,950. On a £-per-square-foot basis, the last sale (£328/sq ft) was about 81.3% above the typical sold price in the postcode. At 43 m² it sits well below the postcode median (64 m² across 4 EPCs), making it one of the more compact homes locally.