14 Black Butt Cottages, Sutton Road, Cookham, Maidenhead, SL6 9RE

14 Black Butt Cottages is a two-bedroom mid-terrace house in Cookham, Maidenhead, Maidenhead (SL6 9RE). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (November 2023) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (July 2009); the latest reading is one band lower. Between certificates, window efficiency went from Poor to Average and lighting went from Average to Very Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 84), a 2-band jump.

Across 1996–2015, sale prices on this property compounded at 9.4% per year. Today's modelled estimate of £460,000 is 22% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£637/sq ft) was about 17.5% above the typical sold price in the postcode. On the market in February 2015 and unlisted since — roughly 11 years. At 55 m² it's 20.3% smaller than the typical home in the postcode (69 m² median across 10 EPCs).