Elgin House, Flat 4, Old Bath Road, Colnbrook, Slough, SL3 0HZ

Elgin House is a one-bedroom mid-terrace house in Colnbrook, Slough, Slough (SL3 0HZ). It has a recorded floor area of 27 m² (around 291 sq ft), construction records dating it to 1967-1975 and council tax band A. At 27 m² this is the smallest unit on EPC record across Elgin House (27–32 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (July 2020) shows a C (score 70). The rating has held steady at C across 2 certificates since December 2008. Between certificates, hot-water efficiency went from Average to Good, lighting went from Average to Very Good and main heating went from Average to Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average.

Held since June 2003 — that's 23 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. Across 1997–2003, sale prices on this property compounded at 18% per year. Today's modelled estimate of £134,000 sits 70.7% above the 2003 sale of £78,500. At 27 m² it's 15.6% smaller than the typical home in the postcode (32 m² median across 6 EPCs).