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The Rectory Gardens development is in the prestigious Clapham Old Town area of South London. Delivered in five phases, it included the redevelopment of Rectory Gardens and Grove, building 3 new houses and refurbishing 29 existing houses, 21 of which required basement extensions.

The Project

Edgeley Construction were appointed as Design & Build Contractor to deliver the whole scheme for Lexadon Property Group, and immediately collaborated with Newton on the waterproofing solution.

The waterproofing was made more complicated by the high flood risk, high water table, unstable ground conditions, and also the sequencing of the work meaning that different basements were completed at different stages.

The Solution

Various solutions were employed throughout the 21-basement scheme, including using HydroCoat 203-RM and 313-WP to stop the initial water leaks. The Newton HydroBond System then provided Type A waterproofing protection with the HydroBond 403 Plus membrane pre-applied under the concrete slab, and the cementitious HydroCoat 107 Elastic 2K membrane applied to the underpinning and the retaining concrete block walls.

Type B protection was also provided in the construction joins with HydroTank 315 Waterbar, and complete peace of mind was delivered with a full internal Newton CDM cavity drain membrane system to capture and remove ingressing water and ensure a completely dry internal environment.

The Result

Edgeley have brought a whole community of houses into the 21st Century, simultaneously preserving their heritage and upgrading their performance to modern standards. Furthermore, by considering all risk factors, all 21 dry basements have also been delivered, with Newton sourcing an Insurance Backed Guarantee for Edgeley to pass further protection on to the client.

quotation marks

"It’s been a joy to partner with Newton Waterproofing Systems on this scheme in order to collaboratively specify a robust and insurance backed project for our clients." James Brett - Managing Director, Edgeley Construction

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