20 Gloucester House, Queen Street, Portsmouth, PO1 3GD

20 Gloucester House is a two-bedroom end-of-terrace house in Portsmouth (PO1 3GD). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 2003-2006 and council tax band D. The latest certificate (June 2023) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since June 2013. Between certificates, lighting went from Poor to Very Good and main heating went from Poor to Average; while wall efficiency dropped from Very Good to Good. Main heating runs on electricity. At 68 m² this is the 17th smallest of 22 units on EPC record in the building, where floor areas span 7–86 m². The building's EPC ratings span D to B across 22 units on file. Other recorded features include a balcony and notable views. Period features are noted in the property record.

At 68 m² the property is well over the postcode median (51 m² across 21 EPCs), placing it in the larger end of the local stock. On the market in October 2017 and unlisted since — roughly 9 years. Across the public record there are 6 sales, relatively high churn for a single property. Across 2007–2017, sale prices on this property compounded at 6% per year. On a £-per-square-foot basis, the last sale (£348/sq ft) was about 25% above the typical sold price in the postcode.