17 Ferris Avenue, Cold Norton, Chelmsford, CM3 6HZ

17 Ferris Avenue is a four-bedroom detached house in Cold Norton, Chelmsford, Chelmsford (CM3 6HZ). It has a recorded floor area of 124 m² (around 1335 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (May 2026) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in September 2017 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, hot-water efficiency went from Very Poor to Average and main heating went from Poor to Average; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 72). Main heating runs on oil. This certificate was lodged in the last six months, so the rating reflects current condition. Our model identifies extension potential, subject to local planning policy.

One planning record on file: an extension approved in 2009. Past consents include an extension, meaningful when judging how the property has evolved. Across 2002–2018, sale prices on this property compounded at 5% per year. Today's modelled estimate of £551,000 is 23.8% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£333/sq ft) was about 66.7% above the typical sold price in the postcode. On the market in March 2018 and unlisted since — roughly 8 years.