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The Complete Guide to Landscape Design: Planning, Ideas & Process

A good landscape does not start with choosing plants or picking a paving colour.

It starts with understanding the property.

Before deciding where the lawn should go, what plants to use or how large the entertaining area should be, you need to understand the levels, drainage, soil, sunlight, access, existing structures and, most importantly, how you actually want to use the space.

That is what landscape design is really about.

At CanLandscape, we look at landscape design as more than creating something that looks good in a drawing or photograph. A successful landscape needs to look right, function properly, be realistic to build and remain practical as it matures.

This guide explains how to approach landscape design, what should be considered before construction, common mistakes to avoid, when professional design is worthwhile and how we approach landscape projects from the first conversation through to construction.

What Is Landscape Design?

Landscape design is the process of planning how the outdoor areas of a property will look, function and connect together.

It can include much more than planting.

Depending on the property and project, a landscape design may consider:

The important part is that these elements should not be designed independently.

A retaining wall affects levels.

Levels affect drainage.

Drainage affects paving, lawn and planting.

Access affects construction.

Plant selection affects future maintenance.

An outdoor entertaining area affects circulation, furniture placement, privacy and the connection between the house and garden.

Good landscape design considers these relationships before construction begins.

Why Should You Plan a Landscape Before Building It?

One of the most common mistakes homeowners make is starting construction one feature at a time.

They might install some paving, then decide they want a retaining wall. Later they add a garden bed, then realise the drainage needs changing. A few months later they decide they want a pergola.

Each decision may make sense on its own.

The problem is that the whole backyard was never planned as one space.

A proper landscape plan gives you the opportunity to think about the finished property before spending money on construction.

It can help you decide:

It can also reveal problems before they become expensive construction problems.

A good plan can save more than it costs

This is one of my strongest opinions about landscape design.

Professional design is not valuable simply because it produces a nice-looking plan.

It is valuable because it can help you make better decisions before construction begins.

Changing a garden layout on paper is much easier than rebuilding paving, moving retaining walls or fixing drainage after everything has been installed.

landscape design in canberra

What Should You Consider Before Designing a Landscape?

Every property is different.

A design that works beautifully in one backyard may be completely wrong for another.

Before designing anything, we consider the actual property and the people who will use it.

1. The Style of Your Home

The landscape should belong with the house.

We consider the home’s:

A modern home may suit a very different landscape from a traditional property.

The goal is not to copy a particular garden style. It is to create something that feels connected to the property.

2. Existing Levels and Contours

Levels are one of the most important parts of landscape design.

Even a relatively small change in level can affect:

On a sloping property, these decisions become even more important.

Instead of automatically trying to flatten everything, we look at whether the existing levels can be used to create different spaces.

Sometimes working with the slope produces a better result than fighting against it.

3. Drainage and Water Movement

Drainage should be considered before the layout is finalised.

This is one of the most overlooked parts of landscape design.

Homeowners naturally focus on the things they can see: paving, plants, lawn, walls and entertaining areas.

But water does not care how attractive the garden is.

If water naturally collects in a particular part of the property, the design needs to account for it.

Poor drainage can contribute to:

For more detail, see our guide to landscaping drainage in Canberra.

4. Soil Conditions

Soil affects both construction and planting.

Before choosing plants, it is important to understand conditions such as:

Plant selection should not be based only on what looks good in a photograph.

A plant needs to suit the actual conditions where it will be growing.

5. Sun, Shade and Exposure

The amount of sunlight an area receives can change throughout the day and across the seasons.

That affects where you place:

A beautiful planting design can struggle if plants are placed in conditions they cannot tolerate.

6. Privacy and Screening

Privacy is often a major part of backyard design.

We consider sightlines from:

Screening may involve planting, structures or a combination of both.

The important thing is to think about how the screening will perform as it grows rather than only how it looks on the day it is installed.

7. Existing Trees and Vegetation

Not everything needs to be removed.

This is another area where I disagree with the idea that a complete garden renovation means completely starting again.

A mature tree, useful paving, existing retaining wall or healthy planting may be worth keeping.

The question should be:

Does this existing element still work for the property?

If it does, there may be no reason to remove it simply because the garden is being redesigned.

8. Access and Construction Logistics

A design also needs to be buildable.

We consider how materials, machinery, soil and other construction requirements will get into the property.

A beautiful design can become much harder and more expensive to construct if access is ignored.

This is particularly important on tight blocks, sloping sites and properties with limited side access.

9. Lifestyle and How You Actually Use the Space

This may be the most important question of all:

What do you want to do outside?

Do you want to:

The design should follow your lifestyle rather than forcing your lifestyle into a particular garden style.

Landscape design for a sloping Canberra backyard

How Does Lifestyle Shape Landscape Design?

A landscape can look impressive and still be frustrating to use.

Imagine a beautiful entertaining area where there is nowhere practical to put a dining table.

Or a large lawn that looks great but leaves very little usable space for garden beds or privacy.

Or a pathway that technically connects two areas but does not follow the way people naturally move around the property.

Good design starts with actual use.

Designing for families

Families may need:

The needs can also change as children grow.

Designing for pets

Pet-friendly landscaping may require consideration of:

Designing for entertaining

An entertaining area needs more than a large paved surface.

Think about:

The space needs to work when people are actually using it.

Landscape Design for Sloping Blocks

Sloping properties need more planning than a simple flat backyard.

A slope can affect:

But a slope does not automatically mean the property is a problem.

It can also create opportunities for different levels and more interesting outdoor spaces.

Our approach to a sloping backyard

One of our landscape design projects involved a backyard with an uneven slope, poor drainage and limited usable space.

Water collected after heavy rain, and although the existing garden was functional, it lacked structure and was difficult to maintain.

The client’s goal was not simply to make the backyard look different.

They wanted a space that was easier to use for everyday family life and entertaining while improving drainage and making better use of the existing levels.

The design incorporated:

Rather than completely flattening the site, we worked with the change in levels.

The result was a more connected outdoor space with better water management and a much clearer structure.

That is an important lesson with sloping sites:

The best solution is not always to remove the slope. Sometimes the better solution is to design around it.

Landscape Design for New Homes

A new house gives you a blank canvas, but that does not mean the landscape is automatically easy to design.

A newly constructed property still needs careful thought around:

From bare construction site to finished landscape

We worked on a new-build property where the outdoor area was largely blank after construction.

The clients wanted their outdoor space to feel like a natural extension of the new home.

They needed space for:

The landscape was planned around the new house rather than treated as an afterthought.

The design included front and backyard landscaping, planting, lawn, pathways, screening, entertaining zones and structural elements that complemented the home.

The challenge was coordinating the levels, soil preparation, drainage, access and construction sequence.

The finished result turned a relatively bare construction site into a cohesive outdoor environment that could be used immediately while allowing the planting to mature over time.

A new home should not feel finished when the builder leaves and the backyard is still an empty patch of dirt.

The landscape should be considered part of the complete property.

Front garden landscape design and entry pathway

Front Garden Landscape Design

Front gardens have a different job from backyards.

The front landscape needs to create a welcoming arrival while also working with the driveway, street, house entry and available space.

One front garden renovation we worked on had become tired and overgrown.

The existing planting no longer suited the property and there was a poor connection between the street, driveway and front door.

The goal was to improve street appeal without creating a garden that required excessive maintenance.

The design included:

The result was a clearer arrival and a stronger connection between the home and landscape.

This is a good example of why landscape design is not simply about adding more plants.

Sometimes the biggest improvement comes from changing the layout.

DIY Landscape Design vs Professional Landscape Design

Not every landscaping project needs professional design.

I think DIY can work very well when the project is straightforward and the existing site conditions are already working.

DIY may suit simple projects

You may be able to handle a project yourself if you are:

DIY becomes much easier when you have:

The key is still to measure first and plan the whole area before buying materials or plants.

When professional landscape design becomes more valuable

Professional input becomes more important when you have:

The bigger the consequences of getting something wrong, the more valuable good planning becomes.

Professional input does not always have to mean handing over every part of the project.

You might handle planting or smaller cosmetic work yourself while getting professional help with the layout, levels, drainage, retaining and plant selection.

Common Landscape Design Mistakes

After working through different landscaping projects, there are several mistakes that repeatedly cause problems.

1. Starting construction without an overall plan

Building one feature at a time can create conflicts later.

A landscape should be considered as one connected space.

2. Ignoring drainage

This is one of the biggest mistakes.

Drainage should be considered before paving, planting, lawn and retaining are finalised.

3. Getting levels wrong

A small mistake in levels can affect steps, paving, lawn, retaining and water movement.

4. Choosing plants only because they look good

A plant needs to suit the soil, sunlight, water requirements, mature size and maintenance expectations.

5. Planting too closely

Young plants can look perfectly spaced when installed.

Then they grow.

Always consider mature height and width.

6. Underestimating access

How will materials, soil and machinery reach the work area?

Ignoring this early can create unnecessary construction difficulties.

7. Spending the budget in the wrong places

Not every part of a landscape needs the same level of investment.

Good planning helps identify where the budget will have the greatest practical impact.

8. Designing only for today

Think about future children, pets, entertaining, accessibility, extensions, pools and outdoor structures.

A landscape should have room to evolve.

Landscape design for outdoor entertaining area

What Is the Landscape Design Process?

At CanLandscape, we start with the client rather than the drawing.

Step 1: Understand how you want to use the space

We discuss:

Step 2: Assess the property

We look at:

Where possible, useful existing elements can be retained rather than removed unnecessarily.

Step 3: Measure the site

We establish the important dimensions and fixed points, including things such as:

Good design starts with accurate information.

Step 4: Work out the levels

We consider:

This is particularly important when drainage or slopes are involved.

Step 5: Plan drainage

Before finalising the layout, we consider how water currently moves across the property and how the proposed landscape will affect it.

Low points, runoff, paving, lawns, garden beds and retaining all need to work together.

Step 6: Create the overall layout

Now we can plan the relationship between:

The goal is to make movement around the property feel natural.

Step 7: Choose materials

Materials should be selected based on more than appearance.

We consider:

For example, paving requires consideration of the sub-base, falls, drainage, edges, transitions and finished levels.

Step 8: Plan the planting

Plant selection considers:

The garden needs to work in the future, not just on installation day.

Step 9: Design the outdoor living areas

Where required, we consider:

If an outdoor structure such as a pergola is part of the project, it should be considered alongside the surrounding landscape rather than added as an unrelated feature later.

Step 10: Check construction reality

This is where design and construction need to meet.

We consider:

Unexpected conditions can sometimes appear during construction, such as rock, poor soil, old concrete or undocumented services.

Experience matters because the design may need to adapt without losing its overall purpose.

What Makes a Good Landscape Design?

A good landscape is not simply one that looks impressive in a photograph.

It should:

I also do not believe that more landscaping automatically means a better landscape.

Sometimes restraint produces the better result.

A mature tree may be worth keeping.

Existing paving may still be useful.

A retaining wall may not need replacing.

A smaller garden may be easier to maintain and better suited to the homeowner.

The goal is not to remove everything and start again.

The goal is to make the property work better.

The three questions we ask

Every major design decision should pass three tests:

Does it look right?

Does it function properly?

Can it be built and maintained realistically?

If the answer to all three is yes, you are much closer to a successful landscape.

New home landscape design with lawn and planting

How Much Does Landscape Design Cost?

There is no single landscape design price because every project is different.

The cost can be influenced by:

Rather than trying to give one number that applies to every property, it is better to understand what your project actually involves.

For broader landscaping budgeting, see our landscaping cost guide for Canberra.

The important thing is to think about the design as part of the overall project rather than treating it as an unnecessary extra.

How to Know If You Need Professional Landscape Design

If you are still unsure whether you need professional help, ask yourself a simple question:

What happens if I get the layout, levels or drainage wrong?

If the answer is “I can easily change it,” the project may be suitable for DIY.

If the answer is “I would have to remove paving, rebuild a wall, change drainage or redo a large part of the garden,” professional planning becomes much more valuable.

A good landscape designer should also tell you when an idea will not work.

That is part of the job.

The goal is not to agree with every idea simply because it is what the client initially requested.

The goal is to understand the vision and turn it into something that actually works on the property.

Final Thoughts: Great Landscape Design Is About the Long Term

The best landscape is not necessarily the most expensive one.

It is not necessarily the one with the most plants, biggest entertaining area or most impressive materials.

A great landscape is one that still makes sense years after it has been built.

It should drain properly.

It should be comfortable to use.

The plants should have room to mature.

The materials should suit the property.

The layout should fit the way you live.

The garden should be realistic to maintain.

And the design should be possible to build properly.

That is the approach we take at CanLandscape.

We do not see landscape design and construction as two completely separate things.

A good design needs to understand how the landscape will actually be built.

And good construction needs to respect why the landscape was designed that way in the first place.

Frequently Asked Questions About Landscape Design

Is landscape design worth it?

For more complicated projects, professional landscape design can help prevent expensive mistakes with levels, drainage, layout, planting and construction. It also gives you the opportunity to make decisions before construction begins.

What does a landscape designer consider?

A landscape designer should consider the property, house, levels, drainage, soil, sunlight, access, existing trees and structures, lifestyle, privacy, maintenance, budget, materials and future plans.

Can I design my own backyard?

Yes. Simple projects such as planting, garden-bed updates and straightforward lawn areas can often be handled as DIY projects. Professional design becomes more valuable when the site has slopes, drainage issues, retaining, structural elements or complicated access.

When should I get landscape design done?

Ideally, landscape design should happen before major construction begins. Planning early gives you a chance to coordinate levels, drainage, materials, planting, access and outdoor living areas before work starts.

Can landscape design include drainage?

Yes. Drainage should be considered as part of the overall landscape design, particularly where the property has slopes, water pooling, poor drainage or major changes to paving and ground levels.

Can you design a landscape for a sloping block?

Yes. Sloping blocks can be designed using appropriate combinations of retaining, steps, pathways, planting, drainage and different outdoor levels. The aim is to work with the site’s natural contours wherever practical.

Should existing trees and landscaping always be removed?

No. Existing trees, paving, retaining walls or other landscaping may still be useful. If an existing feature works with the new design, keeping it can make sense.

How do I choose plants for my landscape?

Plant selection should consider sunlight, soil, drainage, exposure, water requirements, mature size, maintenance and the overall design. Choosing a plant simply because it looks good can create problems later.

Can CanLandscape design and build the landscape?

Yes. CanLandscape provides landscape design and landscape construction, allowing the design and construction stages to be coordinated as one project.

Do you provide landscape design in Canberra?

Yes. CanLandscape provides landscape design services across Canberra and surrounding areas, including residential and commercial properties.

Ready to Plan Your Landscape in Canberra?

If your Canberra property needs more than a few new plants, start with a plan.

Whether you are building a new home, renovating an established backyard, dealing with a sloping block, improving drainage or creating a new outdoor entertaining area, the right design can help you make better decisions before construction begins.

At CanLandscape, we look at the whole property — the house, levels, drainage, access, soil, planting, materials and the way you want to use the space.

If you’re planning a landscape project in Canberra or the surrounding areas, talk to CanLandscape about your ideas, your property and what you want to achieve.

Request a landscape design consultation and take the first step towards an outdoor space that looks good, works properly and is built for the long term.

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