78 80, Flat 4, Church Street, Chalvey, Slough, SL1 2PE

78 80 is a semi-detached house in Chalvey, Slough, Slough (SL1 2PE). It has a recorded floor area of 24 m² (around 258 sq ft) and construction records dating it to 1900-1929. The latest certificate (March 2026) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2016. Between certificates, wall efficiency dropped from Poor to Very Poor and window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 74). This certificate was lodged in the last six months, so the rating reflects current condition. At 24 m² this is the 2nd smallest of 4 units on EPC record in 78 80, where floor areas span 22–26 m².

13 planning records sit against the property, 6 approved, 6 refused, 1 pending. Past consents include an extension, meaningful when judging how the property has evolved. An application is currently awaiting a decision. At 24 m² it's 22.6% smaller than the typical home in the postcode (31 m² median across 25 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).