ECD Architects is an award-winning UK-based practice specialising in the design of low-energy, environmentally responsible buildings, cost-effectively and to the highest quality standards. Established in 1980 as Energy Conscious Design, the business has more than four decades of experience in delivering sustainable architecture across the residential, education, commercial, community and public sectors. ECD operates from offices in London, Glasgow and Preston and employs a team of architects, architectural technologists and architectural assistants, as well as Passivhaus designers, consultants and certifiers, retrofit designers and coordinators, and building information modelling (BIM) and data specialists.


ECD Architects is recognised for its focus on reducing environmental impact through intelligent building design, energy efficiency and whole-life sustainability. As a member of the N-Able Group, it is able to complement its architectural expertise with wider technical and consultancy services through associated businesses. The team works with a diverse client base that includes housing providers, educational institutions, local authorities, commercial organisations and public sector bodies.

Key service areas include:

  • architectural design for new-build developments
  • regeneration and retrofit programmes for existing buildings
  • Passivhaus design and certification support
  • PassΒ­ive House PlanΒ­ning PackΒ­age (PHPP) modelling
  • sustainability and net zero carbon strategies
  • building safety and cladding remediation projects
  • conservation and heritage architecture
  • BIM-enabled design and technical delivery
  • masterplanning, feasibility studies and design advisory services.

ECD Architects’ project portfolio spans multiple sectors, including:

  • new-build housing
  • schools and education facilities, both new-build and refurbished
  • higher education, including university developments, conversions and extensions
  • commercial and industrial, offices, plant and warehousing
  • regeneration and retrofit projects aimed at improving use, performance and longevity of existing building stock.

Notable projects include the retrofit of Wilmcote House, a widely recognised large-scale residential refurbishment scheme; the Stevenson Building extension within the higher education sector; and the Beam Suntory Distillery Springburn Headquarters, demonstrating the company’s capabilities in commercial and workplace environments. These projects reflect ECD Architects’ emphasis on combining architectural quality with measurable environmental performance improvements.

Through its long-standing commitment to sustainability, Passivhaus principles and energy-conscious design, ECD Architects has established a reputation for delivering practical, high-performance buildings that help clients meet increasingly ambitious environmental and operational objectives while creating functional, durable and attractive places for people to live, learn and work.

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