Trespass – Portsmouth – Opening Hours & Store Details Trespass is situated directly in Cascades Shopping Centre at 9 Commercial Road, about a 1.27 mile driving distance south of the centre of Portsmouth (by St Agatha’s Bus Stop). This store provides service chiefly to the locales of Portsmouth City Centre, Fratton, Somers Town, Portico: Prospect Road entrance, Southsea, Portsea, Unicorn Gate and Old Portsmouth. If you would like to stop by today (Friday), its opening hours are 9:00 am – 5:30 pm. Read the specifics on this page for Trespass Portsmouth, including the operating times, place of business address, product ranges and more.