11 Calton Avenue, Southwark, London, SE21 7DE

11 Calton Avenue is a semi-detached house in Southwark, London, London (SE21 7DE). It has a recorded floor area of 82 m² (around 879 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (October 2011) shows an F (score 37), near the bottom of the EPC scale. The recommended improvements would push it to E (score 48). The latest certificate is from October 2011, so improvements made since then won't be reflected.

At 82 m² it sits well below the postcode median (123 m² across 11 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last sale on file: £1,025,000 in November 2019. Across the public record there are 4 sales, relatively high churn for a single property. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2000–2019, sale prices on this property compounded at 7.7% per year. Today's modelled estimate of £1,136,000 is 10.8% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£1,166/sq ft) was about 189.7% above the typical sold price in the postcode.