13d, Northbourne Road, London, SW4 7DW

13d is a semi-detached house in London (SW4 7DW). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to before 1900 and council tax band C. At 63 m² this is the 4th smallest of 5 units on EPC record in the building, where floor areas span 31–67 m². The building's EPC ratings span E to D, with this unit at the top. The latest certificate (February 2024) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2012. Between certificates, lighting went from Good to Very Good. The recommended improvements would push it to C (score 77).

Held since December 2009 — that's 16 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced London HPI: 10.4% per year against 0% for the wider region. Today's modelled estimate of £521,000 sits 142.3% above the 2009 sale of £215,000. On a £-per-square-foot basis, the last sale (£317/sq ft) was about 19.5% below the postcode norm.