11c, Brighton Road, Surbiton, KT6 5LX

11c is an end-of-terrace house in Surbiton (KT6 5LX). It has a recorded floor area of 31 m² (around 334 sq ft) and construction records dating it to before 1900. The latest certificate (September 2012) shows an F (score 35), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 69), a 3-band jump. Main heating runs on electricity. The latest certificate is from September 2012, so improvements made since then won't be reflected. At 31 m² this is the 3rd smallest of 13 units on EPC record in the building, where floor areas span 21–66 m². The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (35 versus a best of 73).

At 31 m² it sits well below the postcode median (48 m² across 12 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2011–2015, sale prices on this property compounded at -5.9% per year. Today's modelled estimate of £239,000 sits 78.4% above the 2015 sale of £134,000. 6 planning records sit against the property, 2 approved, 4 refused. Past consents include change of use to residential, meaningful when judging how the property has evolved. Last changed hands 10 years ago, in December 2015.