1d, Alexandra Road, Colchester, CO3 3DB

1d is a semi-detached house in Colchester (CO3 3DB). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1996-2002 and council tax band B. The latest certificate (April 2021) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since March 2011. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Poor to Very Poor. Main heating runs on electricity. At 40 m² this is the 8th smallest of 28 units on EPC record in the building, where floor areas span 25–165 m². The building's EPC ratings span F to C across 28 units on file.

At 40 m² it sits well below the postcode median (63 m² across 27 EPCs), making it one of the more compact homes locally. Sold November 2019 for £129,000. Across the public record there are 4 sales, relatively high churn for a single property. Across 2003–2019, sale prices on this property compounded at 0.7% per year. Today's modelled estimate of £172,000 is 33.3% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£300/sq ft) was about 69.5% above the typical sold price in the postcode.