12 Ennismore Gardens, Westminster, London, SW7 1AA

12 Ennismore Gardens is a mid-terrace house in Westminster, London, London (SW7 1AA). It has a recorded floor area of 128 m² (around 1378 sq ft), construction records dating it to before 1900 and council tax band G. At 128 m² this is the 4th smallest of 6 units on EPC record in the building, where floor areas span 78–215 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 81). The latest certificate (March 2021) shows an E (score 39), well below the UK norm with real room to improve. Earlier certificates rated it D (August 2009); the latest reading is one band lower. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to D (score 55). Main heating runs on electricity.

Today's modelled estimate of £839,000 sits 189.3% above the 2021 sale of £290,000. On a £-per-square-foot basis, the last sale (£210/sq ft) was about 82.5% below the postcode norm. One historical planning record sits against the property in 2022. The record references listed-building consent, which constrain future alterations. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). Most recent transfer: May 2021 at £290,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.