21 Chatsworth, Great Holm, Milton Keynes, MK8 9AS

21 Chatsworth is a four-bedroom detached house in Great Holm, Milton Keynes, Milton Keynes (MK8 9AS). It has a recorded floor area of 113 m² (around 1216 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (November 2013) shows an E (score 44), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2009. Between certificates, window efficiency went from Average to Good, lighting went from Very Poor to Poor and main heating went from Average to Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 3-band jump. The latest certificate is from November 2013, so improvements made since then won't be reflected. Other recorded features include a conservatory. Records show the property has been extended at some point in its history.

It hasn't traded since September 2010, a hold of 16 years that's notably long for the area. One planning record on file: an extension approved in 2017. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Across 1997–2010, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £494,000 is 46.2% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£278/sq ft) was about 73% above the typical sold price in the postcode.