Apartment 3, 10 Marianne Close, Southwark, London, SE5 7FH

Apartment 3 is a one-bedroom detached house in Southwark, London, London (SE5 7FH). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 2007-2011 and council tax band D. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Other recorded features include notable views. At 56 m² this is the smallest unit on EPC record across the building (56–95 m²). The building's EPC ratings span D to B across 12 units on file. The latest certificate (February 2026) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since April 2013. Between certificates, wall efficiency went from Average to Good and roof efficiency went from Good to Very Good; while window efficiency dropped from Good to Poor. This certificate was lodged in the last six months, so the rating reflects current condition.

At 56 m² it sits well below the postcode median (94 m² across 20 EPCs), making it one of the more compact homes locally. Across 2013–2021, sale prices on this property compounded at 2.1% per year. On a £-per-square-foot basis, the last sale (£672/sq ft) was about 22.9% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Sold March 2021 for £405,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.