40 Groom Place, Westminster, London, SW1X 7BA

40 Groom Place is a one-bedroom mid-terrace house in Westminster, London, London (SW1X 7BA). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1900-1929 and council tax band H. The latest certificate (November 2018) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in December 2008 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good. The recommended improvements would push it to C (score 80). At 71 m² this is the 2nd smallest of 14 units on EPC record in the building, where floor areas span 68–275 m². The building's EPC ratings span F to C across 14 units on file. Other recorded features include a balcony.

It hasn't traded since May 2007, a hold of 19 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Sale prices here have outpaced London HPI: 13.9% per year against 0% for the wider region. Today's modelled estimate of £1,484,000 is 20.7% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£1,609/sq ft) was about 30.5% above the typical sold price in the postcode. At 71 m² it sits well below the postcode median (113 m² across 13 EPCs), making it one of the more compact homes locally. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. 2 planning records sit against the property, 2 approved, 0 refused.