Grosvenor House, Flat 12, Warwick Square, Carlisle, CA1 1LB

Grosvenor House is a two-bedroom end-of-terrace house in Carlisle (CA1 1LB). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1976-1982 and council tax band A. At 46 m² this is the smallest unit on EPC record across Grosvenor House (46–264 m²). The building's EPC ratings span D to B across 12 units on file. Other recorded features include a balcony. The latest certificate (March 2017) shows a C (score 72). The rating has held steady at C across 2 certificates since July 2009. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Average to Poor.

Held since June 2002 — that's 24 years off the open market, well above the local norm. Across 2000–2002, sale prices on this property compounded at 11.5% per year. Today's modelled estimate of £108,000 sits 84.3% above the 2002 sale of £58,600. At 46 m² it's 27.6% smaller than the typical home in the postcode (64 m² median across 26 EPCs). One historical planning record sits against the property in 2016.