12 Forge Close, Harlington, Hayes, UB3 5JF

12 Forge Close is a one-bedroom semi-detached house in Harlington, Hayes, Hayes (UB3 5JF). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (March 2023) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2012. Between certificates, hot-water efficiency went from Poor to Average and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 79). Main heating runs on electricity. At 45 m² this is the 5th smallest of 15 units on EPC record in the building, where floor areas span 40–62 m². The building's EPC ratings span E to C across 15 units on file.

Untraded for 24 years, with the last transfer in November 2002. Across 1995–2002, sale prices on this property compounded at 13.9% per year. Today's modelled estimate of £228,000 sits 78.2% above the 2002 sale of £127,950. On a £-per-square-foot basis, the last sale (£264/sq ft) was about 31.6% above the typical sold price in the postcode.