11 Hamburg House, Cross Street, Portsmouth, PO1 3GG

11 Hamburg House is a two-bedroom end-of-terrace house in Portsmouth (PO1 3GG). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 2003-2006 and council tax band D. The latest certificate (June 2022) shows a C (score 74). The rating has held steady at C across 2 certificates since June 2012. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would push it to B (score 85). Main heating runs on electricity. At 65 m² this is the 25th smallest of 34 units on EPC record in the building, where floor areas span 36–69 m². The building's EPC ratings span D to B across 34 units on file.

Held since February 2008 — that's 18 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price.