9 Whittlesey Street, Lambeth, London, SE1 8SZ

9 Whittlesey Street is a three-bedroom mid-terrace house in Lambeth, London, London (SE1 8SZ). It has a recorded floor area of 116 m² (around 1249 sq ft), construction records dating it to 1900-1929 and council tax band F. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. The latest certificate (July 2020) shows an E (score 42), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2010. Between certificates, roof efficiency went from Very Poor to Average and window efficiency went from Very Poor to Average; while hot-water efficiency dropped from Good to Average. The recommended improvements would push it to D (score 66).

Across 2010–2020, sale prices on this property compounded at 6.6% per year. Today's modelled estimate of £1,807,000 is 14.6% below the 2020 sale of £2,115,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£1,694/sq ft) was about 137.8% above the typical sold price in the postcode. 6 planning records sit against the property, 5 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs). Most recent transfer: December 2020 at £2,115,000.