21 The Rookeries, London Road, Marks Tey, Colchester, CO6 1DY

21 The Rookeries is a two-bedroom mid-terrace house in Marks Tey, Colchester, Colchester (CO6 1DY). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1983-1990 and council tax band B. Tenure is freehold. The latest certificate (March 2023) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (April 2012); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to B (score 86). Main heating runs on electricity. At 43 m² this is the 4th smallest of 56 units on EPC record in the building, where floor areas span 39–55 m². The building's EPC ratings span E to B across 56 units on file.

Untraded for 22 years, with the last transfer in July 2004. Across 2001–2004, sale prices on this property compounded at 22.2% per year. Today's modelled estimate of £145,000 is 38.1% above the 2004 sale price. On a £-per-square-foot basis, the last sale (£227/sq ft) was about 37.9% above the typical sold price in the postcode.