First Floor Flat, 129 Chiswick High Road, Hounslow, London, W4 2ED

First Floor Flat is a one-bedroom mid-terrace house in Hounslow, London, London (W4 2ED). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (August 2024) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2009); the latest reading is one band lower. Between certificates, window efficiency went from Poor to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Average and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 75). Other recorded features include a balcony.

Untraded for 25 years, with the last transfer in March 2001. 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 £497,000 sits 71.4% above the 2001 sale of £290,000. On a £-per-square-foot basis, the last sale (£599/sq ft) was about 28.9% above the typical sold price in the postcode.