25a, Calais Street, Lambeth, London, SE5 9LP

25a is a two-bedroom mid-terrace house in Lambeth, London, London (SE5 9LP). It has a recorded floor area of 66 m² (around 710 sq ft) and construction records dating it to 1900-1929. The latest certificate (October 2024) shows a C (score 71). When first surveyed in January 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Very Poor to Good. At 66 m² this is the 2nd smallest of 27 units on EPC record in the building, where floor areas span 21–266 m². The building's EPC ratings span E to B across 27 units on file. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.

At 66 m² it sits well below the postcode median (153 m² across 27 EPCs), making it one of the more compact homes locally. Most recent transfer: June 2021 at £665,000. Across the public record there are 6 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. Across 1997–2021, sale prices on this property compounded at 9.5% per year. On a £-per-square-foot basis, the last sale (£936/sq ft) was about 72.1% above the typical sold price in the postcode.