12 Stamford Brook Avenue, Hounslow, London, W6 0YD

12 Stamford Brook Avenue is a four-bedroom semi-detached house in Hounslow, London, London (W6 0YD). It has a recorded floor area of 192 m² (around 2067 sq ft), construction records dating it to before 1900 and council tax band H. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. The latest certificate (July 2025) shows an E (score 42), well below the UK norm with real room to improve. The rating has held steady at E across 4 certificates since March 2010. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Good; while roof efficiency dropped from Good to Very Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 75), a 2-band jump.

Sale prices here have outpaced London HPI: 7.8% per year against -0.1% for the wider region. Today's modelled estimate of £2,424,000 is 23.9% below the 2025 sale of £3,185,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£1,541/sq ft) was about 162.9% above the typical sold price in the postcode. At 192 m² the property is well over the postcode median (49 m² across 35 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). 4 bedrooms is on the larger side for this postcode, where 2 is the typical count. It changed hands recently, sold September 2025 for £3,185,000. 41 planning records sit against the property, 29 approved, 1 refused. Past consents include tree works, an extension and solar panel installation, meaningful when judging how the property has evolved. The record references listed-building consent and conservation-area consent, which constrain future alterations.