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Blackhorse Mills


Legal & General Investment Management



Project Details:

Legal and General’s flagship build to rent development consisting of apartment buildings located on the edge of the Walthamstow Wetlands. On the outdoor terrace of one of the buildings is a heated 20m x 6.5m lap pool with excellent views over the Walthamstow Wetlands.

Our Role:

Design and specification of the stainless-steel pool tank and pool water treatment system; site monitoring of installation and commissioning.

Design Team

Project Manager:

Cast Consultancy


Assael Architecture

Structural Engineer:


M & E Engineers:

Hoare Lea

Pool Consultant:

Devin Consulting Ltd

Interior Design:

Websters / Lister & Lister

The water treatment system at Blackhorse Mills, London incorporates PAC flocculation, medium rate filtration on single grade sand beds, photo-oxidation using ultraviolet, heating, pH control and residual disinfectant control using chlorine.  The deck level pool is of stainless-steel construction and finish.