15a, Belsize Square, Camden, London, NW3 4HT

15a is a semi-detached house in Camden, London, London (NW3 4HT). It has a recorded floor area of 114 m² (around 1227 sq ft) and construction records dating it to 1900-1929. At 114 m² this is the 14th smallest of 23 units on EPC record in the building, where floor areas span 36–449 m². The building's EPC ratings span E to C across 23 units on file. The latest certificate (September 2021) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78).

Last sale on file: £1,625,000 in February 2022. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One planning record on file: tree works approved in 2014. Past consents include tree works, meaningful when judging how the property has evolved. At 114 m² it's 21.8% larger than the typical home in the postcode (94 m² median across 74 EPCs). Across 2003–2022, sale prices on this property compounded at 6.7% per year. On a £-per-square-foot basis, the last sale (£1,324/sq ft) was about 133.6% above the typical sold price in the postcode.