5 Barn Corner, Collingtree, Northampton, NN4 0NF

5 Barn Corner is a three-bedroom semi-detached house in Collingtree, Northampton, Northampton (NN4 0NF). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (June 2020) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in May 2010 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Average to Good; while lighting dropped from Very Good to Poor. The recommended improvements would lift it to B (score 85), a 2-band jump. Other recorded features include a conservatory. Period features are noted in the property record.

At 82 m² it sits well below the postcode median (160 m² across 5 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2021. Past consents include an extension, meaningful when judging how the property has evolved. Across 2010–2020, sale prices on this property compounded at 3.5% per year. Today's modelled estimate of £375,000 is 16.3% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£365/sq ft) was about 32.3% above the typical sold price in the postcode. Sold October 2020 for £322,500.