18 Allison Grove, Southwark, London, SE21 7ER

18 Allison Grove is a detached house in Southwark, London, London (SE21 7ER). It has a recorded floor area of 153 m² (around 1644 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (March 2009) shows an F (score 27), near the bottom of the EPC scale. The recommended improvements would push it to E (score 54). The latest certificate is from March 2009, so improvements made since then won't be reflected.

Held since May 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £1,430,000 sits 120% above the 2009 sale of £650,000. On a £-per-square-foot basis, the last sale (£395/sq ft) was about 19.5% below the postcode norm. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a loft conversion and new windows, meaningful when judging how the property has evolved.