Grosvenor House, Flat 5, Warwick Square, Carlisle, CA1 1LB

Grosvenor House is an end-of-terrace house in Carlisle (CA1 1LB). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (August 2020) shows a C (score 73). The rating has held steady at C across 2 certificates since June 2010. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. At 56 m² this is the 4th smallest of 12 units on EPC record in Grosvenor House, where floor areas span 46–264 m². The building's EPC ratings span D to B across 12 units on file.

Across 2010–2021, sale prices on this property compounded at 6% per year. Today's modelled estimate of £110,000 is 22.3% below the 2021 sale of £141,500, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£235/sq ft) was about 109.5% above the typical sold price in the postcode. Last sale on file: £141,500 in April 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2016.