Barkwith House, Flat 12, Cold Blow Lane, Lewisham, London, SE14 5RB

Barkwith House is a two-bedroom semi-detached house in Lewisham, London, London (SE14 5RB). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (May 2021) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2010. Between certificates, roof efficiency went from Poor to Average, hot-water efficiency went from Very Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to C (score 75). Main heating runs on electricity. At 50 m² this is the 10th smallest of 11 units on EPC record in Barkwith House, where floor areas span 28–50 m². The building's EPC ratings span E to C across 11 units on file.

Untraded for 15 years, with the last transfer in March 2011. Sale prices here have outpaced London HPI: 7.4% per year against 0% for the wider region. Today's modelled estimate of £293,000 sits 100.7% above the 2011 sale of £146,000. On a £-per-square-foot basis, the last sale (£271/sq ft) was about 31.5% above the typical sold price in the postcode. At 50 m² it's 19.4% smaller than the typical home in the postcode (62 m² median across 47 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs).