Barbour Product Search is part of the Informa Intelligence Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.

Waterproofing the multi-level basement of a luxury London hotel

Waterproofing the multi-level basement of a luxury London hotel

Newton is proud to contribute to the transformation of the unique, Grade I listed Cambridge House in Piccadilly as it undergoes conversion into one of London’s grandest hotels. The 18,000m2 scheme includes six adjacent Grade II listed residences, whilst a four-level basement will accommodate a spa as well as the back-of-house and servicing areas.

To deliver a reliable, watertight solution for this £165m project, Newton worked closely with architects PDP London and leading enabling works contractor Deconstruct UK throughout the design and installation.

The solution

There are three main buildings where extensive excavations are taking place, requiring different waterproofing solutions to cater for the new-build basement areas and existing elements - all up to 4 storeys below ground.

Buildings 1 and 3 are both benefiting from full Newton CDM System cavity drain membrane waterproofing, which will capture, depressurise and remove any ingressing ground water via a series of Trojan-Pro pump chambers.

Building 2 utilises numerous products across new/existing structures, including 403 HydroBond and 315 Polymer-Waterbar to the new concrete attenuation tank, which will also be coated internally with the 103-S liquid membrane.

The same two products were also used alongside the flexible 107F liquid membrane and 106 FlexProof for construction joint waterproofing in areas where the existing brick structure interfaces with a new concrete slab. Finally, Titan-Pro pump chambers are being installed to remove the water.

The result

As of June 2021, the waterproofing installation is underway and on-track on all three buildings, with Newton’s site services team delivering an exceptional quality assurance and training service on the installation of their products.

Add to Project Board

Create a new project board:


View Cavity Drain Membrane for Basement Waterproofing: Newton 508 Product Entry
Newton Waterproofing Systems (John Newton & Company)

Newton Waterproofing Systems (John Newton & Company)

Newton Waterproofing Systems – Complete Basement and Structural Waterproofing Solutions For New And Existing Buildings

Newton Waterproofing Systems (a trading name of John Newton & Co Ltd), Est 1848, is the UK’s leading independent supplier...
View company profile
T(01732) 360095
 01732 360095 Tech Dept.
F(01732) 359033
E[email protected]
WVisit Newton Waterproofing Systems (John Newton & Company)'s website
 Newton House, 17-19 Sovereign Way, Tonbridge, Kent, TN9 1RH

Make an enquiry to Newton Waterproofing Systems (John Newton & Company)

You may also be interested in this related Case Study: Newton specialist contractor, Structural Repairs, waterproofs historic brick arches in Windsor Read Now