Major works on Southsea seafront begin

Work has officially begun on the sea defences in Southsea, spanning the area between the Blue Reef Aquarium and the Hover travel terminal.

Work has officially begun on the sea defences in Southsea, spanning the area between the Blue Reef Aquarium and the Hover travel terminal.

The project is set to be completed by summer 2026.

During construction, Clarence Esplanade and the promenade and road will be closed and a diversion route will be in place for pedestrians and road users. A temporary footpath across Southsea Common, behind the Naval War Memorial, has been constructed to provide pedestrian access along the area during construction.

Nearby businesses including the Blue Reef Aquarium, Hovertravel and Clarence Pier will remain open, but The Beach Club and Southsea Rowing Club will close. The Rowing Club has been relocated to a temporary building in Pier Road.

Cllr Steve Pitt, Leader of Portsmouth City Council, said:

“The temporary closure of this area is necessary for building essential sea defences to protect Portsmouth for the next 100 years. The coastal team has worked hard to ensure that access around the area is as smooth as possible and, in particular, putting measures in place at the Naval War Memorial.

“Looking forward, we’ve identified Serpentine Square as a great location for placing artwork along the seafront so that will be an exciting future project for local artists to get involved in.”

Guy Mason, Project Director of the Southsea Coastal Scheme, added:

“I’d like to thank the public for their patience as we work to improve the seafront area alongside building the sea defence.

“Looking at the completed areas around Long Curtain Moat and Southsea Castle, it’s clear that we have vastly enhanced the features along the seafront and, as a result, seen increased visitors to the areas. We’re looking forward to doing the same at this already imposing section of the seafront.”

Once reopened, visitors to the section of seafront between Blue Reef Aquarium and Hovertravel can expect to see several changes for the better, including:

  • A one-way road system (westbound) with a single carriageway and a reduction in speed limit from 30mph to 20mph.
  • A 3m wide two-way cycle lane running alongside the promenade, segregated from carparking by a 2m buffer strip.
  • An 8m wide promenade in most areas.
  • Grade II listed memorials placed centrally along the promenade to create a ‘memorial walk’.
  • Coastal planted terraces, play areas, new lighting and seating.

In December 2024, the coastal defences phase between the Pyramids and Speakers’ Corner is scheduled to open.

The entire scheme is due for completion in early 2029.

The Portsmouth City Council project is the largest local authority led flood defence scheme in the UK, worth £180m.

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