12a, Kingswood Road, Bromley, London, SE20 7BN

12a is a two-bedroom mid-terrace house in Bromley, London, London (SE20 7BN). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (February 2021) shows a D (score 57), a step below the typical UK home. Earlier certificates rated it C (February 2011); the latest reading is one band lower. Between certificates, roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. At 42 m² this is the 3rd smallest of 32 units on EPC record in the building, where floor areas span 36–149 m². The building's EPC ratings span E to C across 32 units on file. Period features are noted in the property record.

Held since April 2004 — that's 22 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. Sale prices here have outpaced London HPI: 20.1% per year against 0% for the wider region. Today's modelled estimate of £283,000 sits 127.3% above the 2004 sale of £124,500. On a £-per-square-foot basis, the last sale (£275/sq ft) was about 20.9% above the typical sold price in the postcode. At 42 m² it sits well below the postcode median (74 m² across 36 EPCs), making it one of the more compact homes locally.