11 Holdenby Road, East Haddon, Northampton, NN6 8DH

11 Holdenby Road is a three-bedroom semi-detached house in East Haddon, Northampton, Northampton (NN6 8DH). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (July 2019) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2009. Between certificates, window efficiency went from Average to Good and lighting went from Average to Good; while roof efficiency dropped from Good to Very Poor and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 73). Other recorded features include a conservatory. Records show the property has been extended at some point in its history.

Held since June 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced England HPI: 1.1% per year against 0% for the wider region. Today's modelled estimate of £347,000 sits 77.9% above the 2009 sale of £195,000. One planning record on file: an extension approved in 2008. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. At 107 m² it's 27.8% larger than the typical home in the postcode (84 m² median across 48 EPCs).