23 Harbour Avenue, Comberton, Cambridge, CB23 7DD

23 Harbour Avenue is a five-bedroom semi-detached house in Comberton, Cambridge, Cambridge (CB23 7DD). It has a recorded floor area of 136 m² (around 1464 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (September 2020) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in October 2015 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Good to Very Good and window efficiency went from Average to Good. The recommended improvements would push it to C (score 77). Main heating runs on oil.

Untraded for 22 years, with the last transfer in August 2004. At 136 m² the property is well over the postcode median (90 m² across 34 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £513,000 sits 156.5% above the 2004 sale of £200,000. On a £-per-square-foot basis, the last sale (£137/sq ft) was about 41.9% below the postcode norm. One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved.