124b, Thurlow Park Road, Lambeth, London, SE21 8HP

124b is a semi-detached house in Lambeth, London, London (SE21 8HP). It has a recorded floor area of 80 m² (around 861 sq ft) and construction records dating it to before 1900. At 80 m² this is the 29th smallest of 44 units on EPC record in the building, where floor areas span 38–133 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (October 2025) shows a C (score 71). The rating has held steady at C across 2 certificates since April 2014. Between certificates, window efficiency dropped from Poor to Very Poor and lighting dropped from Very Good to Good.

At 80 m² it's 26.8% larger than the typical home in the postcode (63 m² median across 58 EPCs). Across 2001–2021, sale prices on this property compounded at 4.6% per year. Today's modelled estimate of £657,000 is 19.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£639/sq ft) was about 91.3% above the typical sold price in the postcode. Most recent transfer: April 2021 at £550,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.