15 Castle Drive, Maidenhead, SL6 6DB

15 Castle Drive is a four-bedroom detached house in Maidenhead (SL6 6DB). It has a recorded floor area of 130 m² (around 1399 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (February 2019) shows an E (score 42), well below the UK norm with real room to improve. When first surveyed in April 2009 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average, lighting went from Poor to Very Good and main heating went from Average to Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 78), a 2-band jump.

It hasn't traded since May 1996, a hold of 30 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £828,000 sits 397.3% above the 1996 sale of £166,500. On a £-per-square-foot basis, the last sale (£119/sq ft) was about 59.3% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs).