Project London, United Kingdom

Sherwood Street

Piling beneath one of London's most iconic landmarks

Sector: Buildings

The piles will support the redevelopment of the building that hosts the world's most famous advertising billboard. 

Technical Specifications

Pile Type: Bearing & Plunge Columns

Number of Piles: 146no.

Diameter: 750/900/1050mm

Depth: 20m-36m

The Challenge

Martello were required to install piles to support the redevelopment of the building behind the famous 'Piccadilly Lights'. The development will comprise of retail units and residential apartments in the heart of Piccadilly. 

The nature of the site required a compact rig to be lifted into site to install piles within 3.7m-5.7m of headroom.

The Solution

Utilizing the bespoke MP4000 series piling rigs for the first phase and MP5000/6000 for second phase, Martello installed a total of 146no. 750/900/1050mm diameter piles to 36m within 3.7m-5.7m of headroom.

The MP4000 rigs were stripped down to 10.6t which allowed them to be lifted into the basement and deliver the first phase of the contract. Operating from within the existing basement allowed for the main contractors to remove the upper structure, thus reducing programme and cutting costs. 

Project details

Project name

Sherwood Street




Large diameter bored pile under casing, Plunge Columns (for top-down construction), Restricted access bored piling

Contract type



London, United Kingdom

Building Period

2019 - 2019

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