31 Granary Mansions, Erebus Drive, Greenwich, London, SE28 0GH

31 Granary Mansions is a two-bedroom semi-detached house in Greenwich, London, London (SE28 0GH). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 2003-2006 and council tax band C. At 78 m² this is the 41st smallest of 53 units on EPC record in the building, where floor areas span 44–91 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (67 versus a best of 85). Other recorded features include a balcony and notable views. The latest certificate (October 2023) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it B (April 2010); the latest reading is 2 bands lower. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to C (score 69). Main heating runs on electricity.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2004–2024, sale prices on this property compounded at 2.3% per year. On a £-per-square-foot basis, the last sale (£467/sq ft) was about 45.4% above the typical sold price in the postcode. Last sale on file: £392,500 in August 2024.