25 Jupiter Court, Gunwharf Quays, Portsmouth, PO1 3TS

25 Jupiter Court is a two-bedroom mid-terrace house in Portsmouth (PO1 3TS). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (December 2018) shows a C (score 79), near the top of the C band. The rating has held steady at C across 2 certificates since November 2008. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Very Poor to Very Good and main heating went from Average to Good. The recommended improvements would push it to B (score 81). At 77 m² this is the 18th smallest of 31 units on EPC record in the building, where floor areas span 42–143 m². The building's EPC ratings span D to B across 31 units on file.

Held since February 2001 — that's 25 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £251,000 sits 56.9% above the 2001 sale of £159,950. On a £-per-square-foot basis, the last sale (£193/sq ft) was about 44.3% below the postcode norm.