11a, Flat 1, Mersea Road, Colchester, CO2 7EX

11a is an end-of-terrace house in Colchester (CO2 7EX). It has a recorded floor area of 26 m² (around 280 sq ft), construction records dating it to before 1900 and council tax band A. At 26 m² this is the 2nd smallest of 5 units on EPC record in 11a, where floor areas span 25–42 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 80). The latest certificate (June 2021) shows an E (score 39), well below the UK norm with real room to improve. Earlier certificates rated it C (July 2009); the latest reading is 2 bands lower. Between certificates, lighting went from Good to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity.

Today's modelled estimate of £109,000 sits 62.7% above the 2020 sale of £67,000. On a £-per-square-foot basis, the last sale (£239/sq ft) was about 72.7% above the typical sold price in the postcode. At 26 m² it sits well below the postcode median (42 m² across 15 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Most recent transfer: November 2020 at £67,000.