9 Buttermere Close, Kettering, NN16 8LZ

9 Buttermere Close is a three-bedroom detached house in Kettering (NN16 8LZ). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (February 2016) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since December 2009. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and main heating went from Average to Good; while lighting dropped from Very Good to Good. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from February 2016, so improvements made since then won't be reflected.

At 74 m² it sits well below the postcode median (115 m² across 19 EPCs), making it one of the more compact homes locally. Across 1997–2016, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £258,000 is 39.5% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£232/sq ft) was about 50.2% above the typical sold price in the postcode. Last changed hands 10 years ago, in April 2016.