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Edinburgh Drinking Water


Location Client Cost Completion Awards
Glencorse, Scotland Scottish Water £130m 2012 1

Project details

An environmental flagship project acting as a model for the future.

Discreetly concealed underneath Scotland’s largest green roof on the edge of the Pentland hills, the project will provide all the capital’s needs for fresh drinking water well into the future.

The project will generate much of its own power needs through gravity hydro-turbines, whilst encouraging bio-diversity through surrounding drainage wetlands.

* Construction images provided courtesy of Scottish Water.

The economic benefits which this project will bring to the region are considerable.

Colin Allan Architect director


  • provide fresh drinking water to Edinburgh and surrounding areas
  • new water treatment works to replace an ageing system


  • creation of Scotland’s largest green roof
  • 21st century water treatment facilities meeting strict European guidelines
  • CEEQUAL 'Excellent' Interim Client and Outline Design Award (83.5%)

Integrated services

architecture, landscape architecture