Safestore Self Storage Portsmouth North Harbour is at Harbour Gate Business Park on Southampton Road, close to Cosham, Queen Alexandra Hospital and Port Solent - just off the M27/M275. Our secure indoor units range from 10 sq ft to 500 sq ft+, monitored by 24-hour CCTV and intruder alarms. Suitable for businesses, homeowners and students in Portsmouth and the surrounding area. Flexible weekly contracts available. Get a quote today.