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About Us

Plumb Design Studio was established in 2001 and, presently, is a strong team of Architects, Interior Designers, Graphic Designers, Civil Engineers & Project Managers operating from New Delhi. The studio is a multi disciplinary design practice offering services encompassing all aspects of space planning, architecture, interior design, engineering, product/systems design and project management.

Amit Malhotra

Principal Architect
  • B.Arch, M.Arch, Product Design (Gold Medalist)
  • Project Management Professional - PMP
  • Certified trainer under GRIHA (Green Rating for Integrated Habitat Assessment) GRIHA has been constituted by TERI and Ministry of New & Renewable Energy, Govt of India

Amit Graduated from the TVB School of Habitat Studies, New Delhi in 1997. He has also undergone training at the University of East London where he had the opportunity to gain practical experience as well.

After having worked with different designers, Amit pursued his Masters in Product Design from SPA, New Delhi, and graduated with a Gold Medal.

Amit has been a partner in Plumb Design since 2002. In 2007, he got certified as a "Project Management Professional" from the Project Management Institute (PMI), USA. PMP certification has helped Amit implement best project management practices and the most effective tools and techniques to deliver quality.

Sonal Malhotra

Principal Architect
  • B.Arch

Sonal graduated from the TVB School of Habitat Studies, New Delhi in 1997.She has worked with many leading design firms in Delhi before starting Plumb Design in 2001. She has over 18 years of rich experience in corporate interiors.

Sonal is highly creative and her expertise is efficient space planning. Her skill sets have accumulated over the years working on varied projects and diverse clientele.


We undertake projects of varying nature, viz. Commercial, Institutional, Hospitality, Healthcare, Residential and Industrial. The services not only include Architectural Design but also Interior Design, where all mechanical and engineering design services are incorporated.


  • MEP Services
  • Project Management

Interior Design/Workspace Design

  • MEP Services
  • Project Management

Consultancy/Built to Suit

All the services are available as professional consultancy. We also undertake "Built to Suit" projects where the services are clubbed with execution capabilities to deliver "Turnkey" solutions.


The Stages are followed from project initiation to delivery

Designing a space to meet your distinctive taste, desires, comfort, or represent a company’s brand image is an exciting process. Each and every project is a unique experience that begins by understanding the true nature of the journey. The key to a successful outcome is the people involved and this is achieved by open and honest communication by adopting a well understood process. Getting to know our clients, their style, and helping them to identify their needs is the essential starting ground for any project, no matter how large or small. Ultimately, a successful project relies on the synergies of all involved and this often results in the creation of timeless personal relationships.

We follow “first time right” principle and we achieve it through a well defined process with checklists at each stage. Detailed designs are created in 2D and 3D and all aspects such as plumbing, electricity, engineering etc are coordinated. This ensures that the most efficient design is presented to the client, which has been finalized after looking at all possibilities.

Quality is an essential factor of all our designs and work. We strongly believe that quality is first and foremost no matter what. The attention that we give to each and every client is a part of our strength, our policy, and our work process. Quality is achieved by checkers, benchmarks and process guidelines.