What Does An Interior Designer Actually Do? Why It Matters More Than You Think
When you think of an interior designer, you might picture someone furniture shopping, comparing paint colours that to you appear identical, or dragging a couch around a room to ensure the feng shui is in balance.
For many homeowners, design is associated with finishes, furniture and styling - the final layer that comes once the major decisions have already been made. But in reality, interior design plays a far deeper role in shaping how a space functions, feels and supports everyday life.
An interior designer doesn’t just make a space look good. They guide a process; a journey - one that brings clarity to complex plans, foresight to decision-making and cohesion to every layer of a home.
So what does an interior designer actually do? And what does it really look like to work with one - from start to finish?
Interior Design Starts With How You Live
Before plans are refined or any materials are selected, interior design begins with understanding people.
How do you move through a space? Where do you spend most of your time? How do you gather, host, rest, cook or escape?
At Unfolded, this understanding forms the foundation of every project. Good design isn’t about imposing a look or style - it’s about unfolding a vision that reflects how you want to live now, and into the future.
This early clarity shapes everything that follows.
Stage One: Discovery and Direction
One of the most important - and often overlooked - roles of an interior designer is listening.
The design journey begins with in-depth conversations that explore lifestyle, priorities, practical needs and long-term goals. This stage helps define:
How spaces need to function
What matters most day to day
Where flexibility or structure is required
The type of lifestyle your home needs to support
Rather than jumping straight to selections, this phase establishes a clear design direction, ensuring decisions are grounded in purpose rather than impulse.
Translating Lifestyle into Layout
Spatial planning is a core part of what interior designers do, particularly in new builds and renovations, where decisions are often permanent.
Layouts determine:
How rooms connect and flow
How light moves through the home
Where privacy, openness or separation is needed
How a home adapts as life changes
During this phase, an interior designer works closely with architectural plans, identifying opportunities, resolving inefficiencies and refining layouts so spaces feel intuitive rather than forced.
Stage Two: Concept Design & Visual Direction
Once the spatial framework is established, the design begins to take visual form.
This stage is where an interior designer develops the overall look and feel of the home - not as isolated rooms, but as a cohesive whole. It includes:
Mood and material direction
Colour palettes and tonal balance
Early consideration of finishes and textures
At Unfolded, this phase is about alignment. It ensures you can see and feel the direction before moving into detailed documentation - reducing uncertainty and helping decisions feel intentional.
Stage Three: Detailed Design & Documentation
Interior designers bring ideas into reality through detailed documentation.
This is where vision becomes instruction, ensuring builders and trades have the information needed to execute the design accurately. It can include:
Joinery and custom detailing
Finish schedules and specifications
Lighting and electrical planning
Bathroom and kitchen detailing
This phase is critical in preventing costly mistakes and design inconsistencies. It’s also where an interior designer’s foresight makes the biggest difference - thinking through details long before they become problems on site.
Thinking Ten Steps Ahead
A key part of what interior designers do is anticipate.
Every decision has a ripple effect - materials affect maintenance, layouts affect daily routines, lighting affects mood and function. Interior designers are trained to see these connections early.
This foresight helps clients:
Avoid rework and regret
Make confident decisions
Balance aesthetics with practicality
Rather than reacting to issues as they arise, designers work proactively - protecting both the design intent and the overall experience.
Stage Four: Collaboration During Construction
Interior design doesn’t stop when construction begins. Throughout a new build or renovation, an interior designer acts as a guide and advocate, collaborating with builders, architects and trades to ensure the design is carried through as intended.
This stage often includes:
Clarifying details on site
Navigating changes without compromising the overall vision
Ensuring finishes, proportions and alignments remain consistent
For homeowners, this support removes pressure and decision fatigue during an already demanding phase of a project.
Stage Five: Furniture, Styling & Final Layering
For many clients, this is where a home truly comes together.
Interior designers approach styling strategically - considering scale, proportion and how each piece contributes to the whole. This phase may include:
Furniture selection and placement
Layering texture and materiality
Art, lighting and finishing touches
Rather than filling a space, styling refines it - creating dimension, warmth and balance.
So What Does an Interior Designer Really Do?
At its core, interior design is about guidance.
It brings structure to decisions, clarity to complex projects and cohesion to spaces that might otherwise feel fragmented. It allows homeowners to step back from the overwhelm and move through their project with confidence.
Interior designers don’t take control away from homeowners - they support, refine and guide, ensuring each decision aligns with the bigger picture.
The Unfolded Way
At Unfolded, interior design is a considered journey.
We believe the process should feel calm, collaborative and deeply personal - never rushed or reactive. Each phase is designed to bring clarity, reduce stress and create homes that feels in perfect alignment with your values and lifestyle.
If you’re planning a new build, renovation or styling project and wondering how interior design fits into the process, we’re always happy to help you understand what the journey could look like.
IN OTHER NEWS | UNFOLDED: BEHIND THE DESIGN, A PODCAST SERIES.
EPISODE THIRTY ONE IS NOW LIVE
BEHIND THE DESIGN.
In this episode, Camilla sits down with Stephanie Ferrara, founder of Laidback Lee Design, to explore how she built a growing design studio while renovating her own family home as an owner-builder and raising two young daughters.
We invite you to tune in and listen to this episode on Apple PodcastS, Spotify or wherever you listen to your favourite podcasts. Watch the episode here.