3 Carolyne Court, Canwick Grove, Colchester, CO2 8TN

3 Carolyne Court is a two-bedroom semi-detached house in Colchester (CO2 8TN). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (October 2013) shows a D (score 59), a step below the typical UK home. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Very Poor to Poor and lighting went from Very Poor to Good. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity. The latest certificate is from October 2013, so improvements made since then won't be reflected.

Held since August 2010 — that's 16 years off the open market, well above the local norm. Across the public record there are 5 sales, relatively high churn for a single property. Across 1999–2010, sale prices on this property compounded at 11.2% per year. Today's modelled estimate of £150,000 is 31.6% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£200/sq ft) was about 250.8% above the typical sold price in the postcode.