Lake Hazel Design Collective · Designer Education
The Design Process
A professional design process turns creative ideas into clear, buildable, and beautifully executed spaces. Although every project is different, most interior design projects follow the same core phases.
From idea to installationEleven connected phases help you guide the client, protect the design intent, and professionally manage every decision.
Discovery
Begin by understanding the client, the project, and the problem you are being hired to solve.
Gather information about
- Lifestyle, preferences, and priorities
- Project goals and desired outcomes
- Scope of work
- Budget expectations
- Timeline and important deadlines
- Decision-makers and communication preferences
- Existing conditions
- Contractors or consultants already involved
Designer deliverables may include
- Client questionnaire
- Discovery meeting notes
- Preliminary scope of work
- Initial budget discussion
- Project timeline
- Site-measure appointment
Site Assessment + Documentation
Before designing, document the existing space accurately. Never rely solely on photographs, listing plans, or a client’s measurements. Take comprehensive photographs and organize them by room.
Document
- Room dimensions and ceiling heights
- Doors, windows, and openings
- Plumbing and electrical locations
- HVAC vents and mechanical equipment
- Structural elements
- Existing finishes and fixtures
- Items remaining in the space
- Site limitations or unusual conditions
Designer deliverables may include
- Field measurements
- Existing-condition floor plan
- Site photographs
- Existing-condition notes
- Scan or digital model of the space
Programming + Space Planning
Programming defines what the space must accomplish. Space planning determines how those needs will fit within the available area.
Consider
- Room functions
- Furniture requirements
- Storage needs
- Traffic flow
- Accessibility and clearances
- Adjacencies
- Building and safety requirements
- Future needs
Designer deliverables may include
- Programming summary
- Preliminary floor plans
- Furniture layouts
- Space-planning options
- Client presentation
- Approved schematic plan
Develop more than one layout when there are meaningful alternatives. Each option should solve the project differently—not simply move one chair three inches and call it Option B.
Concept Development
The design concept creates the visual and emotional direction for the project. It should connect the client’s goals to a cohesive design story and guide future decisions—not just look attractive during the presentation.
A strong concept may establish
- Overall mood and design style
- Color direction and material palette
- Forms and silhouettes
- Contrast and visual balance
- Architectural influences
- Key inspiration references
Designer deliverables may include
- Concept statement
- Inspiration board
- Preliminary color palette
- Material direction
- Conceptual sketches
- Initial furniture and fixture ideas
Design Development
Once the concept and layout are approved, develop the design in detail. Evaluate selections for availability, lead time, durability, maintenance, budget, and compatibility with the overall design.
Develop and select
- Finishes, furniture, and lighting
- Plumbing fixtures and appliances
- Cabinetry and countertops
- Tile layouts and window treatments
- Hardware and paint colors
- Accessories and custom details
Designer deliverables may include
- Developed floor plans
- Mood boards and product boards
- Finish schedules
- Furniture and fixture selections
- Elevations and renderings
- Preliminary specifications
- Updated budget
Client Presentation + Approval
Present the design as one cohesive recommendation. Explain how each decision supports the client’s goals, budget, lifestyle, and overall concept.
Clearly communicate
- What is being proposed
- Why it was selected
- How the elements work together
- What decisions the client must make
- What is included in the price
- What happens after approval
Designer deliverables may include
- Design presentation and selection boards
- Plans, elevations, and renderings
- Budget summary
- Approval form
- Revision record
Document approvals and revisions in writing. Verbal approval is charming until someone remembers the conversation differently.
Construction Documentation
Construction documents translate the approved design into information that contractors, trades, fabricators, and installers can use.
Documentation may include
- Demolition and proposed floor plans
- Reflected ceiling, lighting, and electrical plans
- Finish plans and interior elevations
- Cabinetry drawings and tile layouts
- Millwork details
- Door and hardware schedules
- Plumbing, fixture, and finish schedules
Define the drawing purpose
- Conceptual design
- Contractor pricing
- Construction coordination
- Permit submission
Design drawings are not automatically permit-ready or construction-ready. Clearly define which drawings are conceptual, which are for pricing, and which are intended for construction or permitting.
Pricing + Procurement
After selections are approved, confirm pricing and prepare products for purchase.
Procurement may involve
- Requesting vendor quotes
- Confirming quantities and dimensions
- Checking stock and lead times
- Preparing client proposals
- Collecting payment and placing orders
- Tracking shipments
- Managing damages and claims
- Coordinating receiving and delivery
Designer deliverables may include
- Product proposals
- Purchase orders
- Procurement schedule
- Order tracker
- Freight and delivery estimates
- Client approval records
Do not place orders without written approval, verified specifications, and collected funds.
Construction Administration
During construction, the designer helps protect the design intent and answer design-related questions.
Responsibilities may include
- Participating in contractor meetings
- Conducting scheduled site visits
- Reviewing submittals and samples
- Answering requests for information
- Clarifying design documents
- Reviewing substitutions
- Documenting site observations
- Updating selections when necessary
Designer boundaries
- Contractor means and methods
- Construction sequencing
- Trade staffing
- Job-site safety
The designer does not control the contractor’s means, methods, sequencing, staffing, or job-site safety unless specifically contracted and legally authorized to do so.
Installation + Styling
Installation brings the completed design together. During installation, place furniture, artwork, lighting, accessories, and finishing details according to the approved plan.
Before installation
- Confirm construction is substantially complete
- Verify the site is clean and accessible
- Confirm deliveries and installer schedules
- Review furniture placement
- Prepare styling inventory
- Create an installation plan
- Identify missing or damaged items
Installation focus
- Furniture placement
- Artwork and lighting
- Accessories and textiles
- Final styling details
- Approved design plan
Project Closeout
Closeout formally completes the project and gives the client the information needed to care for the space.
Complete
- Final walkthrough and designer punch list
- Outstanding-order review
- Warranty documentation
- Care and maintenance information
- Final invoices
Close the loop
- Project photography
- Client testimonial request
- Portfolio and publication permission
- Internal project review
The Designer’s Responsibility
Manage the vision and the process.
Throughout every phase, the designer must manage four things simultaneously.
Design Intent
Protect the approved creative vision.
Documentation
Maintain accurate records of decisions and changes.
Communication
Keep the client and project team informed.
Scope
Recognize when a request requires additional services, fees, or time.
A successful design process is not only about creating a beautiful result. It is about making the path from idea to installation organized, understandable, and professionally managed.