Landsec submits planning application to transform Waterfront at Gunwharf Quays

23rd March 2026 | Jack Oliver

Landsec has submitted a planning application to transform Waterfront at Gunwharf Quays in Portsmouth as part of a £45m investment.

The proposals look to build on enhancements delivered across The Avenues and soon to complete in Marlborough Square. These plans form part of Landsec’s strategy to drive footfall and dwell time across the centre, supporting stronger trading conditions for existing retail and dining operators while attracting new brands.

The plans include enlarged ground and first floor terraces overlooking the marina to create an enhanced al fresco dining destination with improved views of the waterfront. The investment also includes refreshed façades, enhanced public realm space, better seating, and a new public staircase. The Grade II-listed Old Customs House will remain unchanged to retain the site’s heritage.

Tim Treadwell, head of retail portfolio at Landsec, said: “Landsec outlet destinations continue to perform strongly, with Gunwharf Quays a best-in-class example of the growing demand for outlet shopping in a premium, experience-led environment.

“This next phase of investment at Gunwharf Quays will ensure it continues to attract more of the world’s best brands and further grow its appeal as an unrivalled all day out destination.”

Subject to planning approval, work is expected to commence in 2027.

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