9 Spirit Quay, Tower Hamlets, London, E1W 2UT

9 Spirit Quay is an end-of-terrace house in Tower Hamlets, London, London (E1W 2UT). It has a recorded floor area of 23 m² (around 248 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (March 2014) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in July 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Poor and main heating went from Very Poor to Poor. The recommended improvements would push it to C (score 78). Main heating runs on electricity. The latest certificate is from March 2014, so improvements made since then won't be reflected. At 23 m² this is the 2nd smallest of 53 units on EPC record in the building, where floor areas span 22–180 m². The building's EPC ratings span E to C across 53 units on file.

At 23 m² it sits well below the postcode median (76 m² across 52 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). On the market in June 2014 and unlisted since — roughly 12 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 1999–2014, sale prices on this property compounded at 8% per year. Today's modelled estimate of £310,000 is 25% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£1,002/sq ft) was about 194.3% above the typical sold price in the postcode.