35a, Garden Flat, South Street, Isleworth, TW7 7AL

35a is a semi-detached house in Isleworth (TW7 7AL). It has a recorded floor area of 37 m² (around 398 sq ft) and construction records dating it to 1950-1966. The latest certificate (May 2015) shows a D (score 57), a step below the typical UK home. The recommended improvements would lift it to A (score 92), a 3-band jump. The latest certificate is from May 2015, so improvements made since then won't be reflected.

It hasn't traded since June 1997, a hold of 29 years that's notably long for the area. 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 £309,000 sits 415% above the 1997 sale of £60,000. On a £-per-square-foot basis, the last sale (£151/sq ft) was about 43.5% below the postcode norm. At 37 m² it sits well below the postcode median (57 m² across 8 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs).