21b, Gowlett Road, Southwark, London, SE15 4HX

21b is a mid-terrace house in Southwark, London, London (SE15 4HX). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1900-1929 and council tax band C. At 83 m² this is the 17th smallest of 30 units on EPC record in the building, where floor areas span 30–186 m². The building's EPC ratings span G to C, with this unit at the top. On EPC score it ranks first in the building (74 versus a worst of 12). The latest certificate (July 2024) shows a C (score 74). The rating has held steady at C across 3 certificates since October 2008. Between certificates, lighting went from Good to Very Good. The recommended improvements would push it to B (score 81).

At 83 m² the property is well over the postcode median (60 m² across 31 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 87% of similar EPCs). Across 2007–2024, sale prices on this property compounded at 6.8% per year. Today's modelled estimate of £712,000 is 12.1% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£711/sq ft) was about 79.7% above the typical sold price in the postcode. Most recent transfer: October 2024 at £635,000.