How to Start Planning Your Apartment Interior Redesign (And What to Decide First)

The best place to start an apartment interior redesign is not with furniture, finishes or a moodboard. Start by understanding how you want the apartment to function, establish the scope and budget, check any strata requirements, and resolve the layout before choosing the materials that will define the finished interior.

The order matters.

When individual decisions are made before the overall direction is clear, an apartment can slowly become a collection of separate ideas rather than one resolved interior.

A beautiful stone, an expensive sofa or a carefully selected light will not correct a layout that does not work.

The first stage of an apartment redesign is therefore less about choosing things and more about creating clarity.

Step 1: Understand How You Actually Live

Before deciding how an apartment should look, consider how it needs to work.

This begins with observing the space as it is now.

Where do you naturally spend time?

Which areas feel comfortable and which feel awkward?

Is there furniture you constantly move around to make the room function?

Do you work from home?

How often do you entertain?

Is storage genuinely lacking, or is there simply too much being stored?

How does natural light move through the apartment during the day?

These questions establish the practical foundation of the project.

They also help separate what you genuinely need from what you have simply become accustomed to.

A dining room does not automatically need a six-seat dining table. A spare bedroom does not necessarily need to remain a conventional guest room. An open-plan living area may work better with fewer pieces rather than more storage.

The interior should respond to the way you live rather than an assumed idea of what each room is supposed to contain.

Step 2: Define What You Are Actually Redesigning

Once the way you use the apartment is clearer, establish the scope.

An apartment redesign can mean very different things.

For one home, it might involve new furniture, lighting, artwork and a clearer material direction.

For another, it may include a new kitchen, bathrooms, flooring, joinery and changes to the existing layout.

Defining this early prevents the project from expanding gradually without intention.

Consider what needs to change, what could change and what is already working well enough to remain.

That final question is important.

A considered redesign does not begin with the assumption that everything needs replacing.

Existing flooring may work beautifully once the surrounding furniture changes. Kitchen cabinetry might be retained while hardware, lighting and paint are reconsidered. An awkward living room may need a different furniture arrangement rather than structural work.

Understanding what can remain creates a more focused brief and often allows the budget to be directed toward the areas where it will make the greatest difference.

Step 3: Establish the Budget Early

A realistic budget should be established before the design becomes too developed.

This does not mean every cost needs to be known immediately.

It means understanding the overall level of investment you are comfortable making and allowing that figure to guide the scope.

In an apartment renovation, structural work, services, joinery and labour can consume a substantial part of the budget before furniture and decorative elements are considered.

For a furnishing or interior decoration project, the balance may be completely different.

The important thing is to avoid designing one level of project while budgeting for another.

It is also sensible to retain a contingency for renovation work. Existing apartments can reveal conditions that were not visible during the initial planning stage, particularly once finishes are removed or services are accessed.

A clear budget is not there to restrict the design.

It gives the project boundaries.

And boundaries often lead to better decisions.

Step 4: Check Strata and Building Requirements

For apartment renovations in Sydney, strata requirements should be understood before structural or building work is developed too far.

Depending on the building and the proposed work, approval may be required for alterations involving flooring, waterproofing, plumbing, walls, services or other elements connected to common property.

Individual strata schemes can also have their own by-laws and requirements.

This means the process should begin with the specific building rather than assumptions about what apartment renovations generally allow.

Cosmetic work such as furniture, decoration and painting may be relatively straightforward, while more substantial alterations can require documentation and formal approval before construction begins.

Understanding this early allows the design to develop within realistic parameters.

It also avoids becoming attached to an idea that may later need to be significantly changed.

For larger apartment renovations, strata requirements should form part of the planning process rather than becoming something addressed immediately before construction.

Step 5: Resolve the Layout Before the Finishes

Once the scope, budget and practical constraints are understood, the layout can be resolved.

This is where much of the interior begins to take shape.

Consider circulation first.

You should be able to move through an apartment without navigating around furniture unnecessarily. In smaller spaces, even relatively minor interruptions to circulation can make rooms feel more constrained than they actually are.

Then consider the relationship between zones.

In an open-plan apartment, living, dining and kitchen areas should feel connected without becoming visually indistinct.

Furniture can help create those boundaries.

A rug might establish the living area. A round dining table can soften circulation between spaces. A lower piece of furniture can define a zone without interrupting sightlines.

Storage should also be considered at this stage.

Rather than adding storage wherever an empty wall appears, think about what needs to be stored and where it is actually used.

Good storage becomes part of the architecture of the room.

Poorly considered storage simply gives clutter somewhere larger to accumulate.

Step 6: Understand the Natural Light

Natural light should influence the design before colours and materials are finalised.

A colour viewed in a showroom will behave differently in an apartment receiving strong western afternoon light. A dark timber can feel rich in one room and heavy in another.

Observe the apartment at different times of day.

Morning light can be cooler and softer. Afternoon light may introduce warmth and stronger contrast. Some rooms may receive almost no direct sunlight and need artificial lighting to contribute more heavily to the atmosphere.

Furniture placement should respond to this as well.

A reading chair positioned where afternoon light naturally falls may become one of the most used parts of the apartment. Artwork placed opposite harsh direct sunlight may require reconsideration.

Light is not something applied to an interior after it has been designed.

It is one of the materials being designed with.

Step 7: Develop the Material and Colour Direction

Only once the spatial decisions are reasonably resolved should the material palette begin to become more specific.

Start with the surfaces carrying the greatest visual weight.

Flooring, joinery, stone and wall colour establish the foundation. Furniture, textiles and smaller objects can then introduce further depth.

The palette does not need many materials to feel interesting.

Often, repetition creates a stronger interior.

A timber tone introduced in one room can appear again elsewhere. Stone can be balanced by something softer. Warm whites can create continuity between spaces while allowing artwork and furniture to provide contrast.

For a smaller apartment, this continuity becomes particularly useful.

When every room introduces an entirely different material language, the apartment can feel fragmented.

A restrained palette allows individual spaces to retain character while still belonging to the same home.

Step 8: Choose the Key Furniture Before the Smaller Pieces

Furniture should be considered as part of the layout rather than left entirely until the end.

Begin with the pieces that establish scale.

Usually this means the sofa, dining table, bed, rugs and significant storage pieces.

Their dimensions affect everything around them.

A sofa that is too deep can reduce circulation. A dining table that is slightly too large can compromise the relationship between the dining and living areas. A rug that is too small can make otherwise well-proportioned furniture feel disconnected.

Once these anchor pieces are resolved, occasional chairs, side tables, lamps and objects can be introduced more naturally.

It is also worth resisting the urge to complete every room immediately.

A home often feels more personal when there is room for pieces to be found over time.

Step 9: Plan the Lighting in Layers

Lighting should be considered alongside the furniture and material direction rather than treated as a final decorative addition.

Apartments often rely heavily on existing ceiling lighting.

That may provide sufficient illumination, but it rarely creates much atmosphere on its own.

Layering floor lamps, table lamps, wall lighting and pendants creates different levels of light throughout the apartment.

This allows the interior to change between day and evening.

Lighting also creates visual rhythm.

A sculptural lamp can hold presence during the day even when it is switched off. A pendant can help establish a dining zone. A small pool of light beside a chair can make an otherwise unused corner feel purposeful.

The aim is not simply to make the apartment brighter.

It is to give you control over how it feels.

Step 10: Build a Realistic Project Timeline

Once the direction is established, work backwards from when you would ideally like the project completed.

Apartment redesigns involve more than construction time.

Design development, strata approvals where required, documentation, quoting, ordering, delivery and installation all need to be considered.

Furniture and lighting can also carry significant lead times, particularly for custom, made-to-order or imported pieces.

These items should not necessarily be left until construction is nearly complete.

The more resolved the design is before work begins, the easier it becomes to identify what needs to be ordered early and what can wait.

A realistic timeline gives each decision enough space to be made properly.

When Should You Engage an Interior Designer?

The most useful time to engage an interior designer is generally before major decisions have been locked in.

An interior designer can help establish the brief, test furniture and spatial layouts, develop the material direction and determine how individual decisions relate to the apartment as a whole.

For a renovation, early involvement also allows design decisions to be considered before construction documentation, quotes and orders begin.

For a smaller furnishing or decoration project, the process may be much simpler.

A consultation can help resolve a layout, establish a direction or identify which purchases should be prioritised before money is committed.

Not every apartment requires a complete interior design service.

Sometimes what is needed most is clarity at the beginning.

What Should You Decide First When Redesigning an Apartment?

The first decisions should be about function, scope, budget and layout — not finishes.

A useful order is:

1. Understand how you live.

2. Define what needs to change.

3. Establish the budget.

4. Understand strata or building requirements where relevant.

5. Resolve the layout and circulation.

6. Consider natural light.

7. Develop the material and colour palette.

8. Select the key furniture.

9. Layer the lighting.

10. Refine the smaller details.

The sequence creates a hierarchy.

Large decisions establish the framework. Smaller decisions refine it.

When that order is reversed, an apartment can become overly dependent on individual products and finishes.

When it is followed, the interior begins with the space itself.

A Considered Apartment Begins Before Anything Is Purchased

The strongest apartment interiors rarely come from making more decisions.

They come from making the important ones in the right order.

Understanding how you live creates the brief.

The brief informs the layout.

The layout informs the furniture.

The architecture and natural light inform the materials.

And only then do the smaller layers begin to make sense.

Planning an apartment interior redesign this way removes some of the urgency to find the perfect object, colour or finish immediately.

There is time for those things.

First, create the structure they need to belong to.

Written By Carlo Paul