17a, Lanvanor Road, Southwark, London, SE15 2BT

17a is a one-bedroom mid-terrace house in Southwark, London, London (SE15 2BT). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to before 1900 and council tax band B. At 44 m² this is the smallest unit on EPC record across the building (44–165 m²). The building's EPC ratings span F to C across 19 units on file. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy. The latest certificate (August 2020) 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 November 2008. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Good. The recommended improvements would push it to C (score 76).

It changed hands recently, sold November 2025 for £450,000. Across the public record there are 4 sales, relatively high churn for a single property. At 44 m² it sits well below the postcode median (101 m² across 18 EPCs), making it one of the more compact homes locally. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Across 2013–2025, sale prices on this property compounded at 5% per year. On a £-per-square-foot basis, the last sale (£950/sq ft) was about 189% above the typical sold price in the postcode.