our team

Our Team

Colin and Lisette are supported by an experienced team who all bring their special something to Costata Landscape Design.

From admin to artwork, earthworks, landscape construction, building, stonemasonry, irrigation, lighting and pool construction.

This dedicated crew provide decades of experience in bringing our gardens to life.


Management & Office Team

Colin Marchant


Principal, Colin Marchant, has been working in the landscape and horticulture industry since 1985 and has been at the helm of Costata Landscape Design for the past 30 years.

Drawing on his experience, design and communication skills, he has grown a local lawn and garden maintenance run to the national award-winning landscape design and management business it is today.

Throughout, Colin has adhered to his core philosophy of “Concept to Completion”. Ensuring that the person who provides the original design inspiration is responsible and accountable for maintaining the integrity of the design as it passes through the construction process.

Lisette Marchant

Managing Partner

As managing partner Lisette brings to Costata, skills and experience in the construction industry that has spanned over 35 years. A career as a successful interior designer working in commercial fitout and project management for 20 years then became 10 years in civil engineering working with large road and tunnelling infrastructure projects in Sydney and the Hunter. In 2016 Lisette joined Costata Landscape Design as full-time managing partner.

Lisette is also a qualified Building Designer and applies these skills to new projects that require built elements and construction experience. Working with husband Colin they form an experienced team which addresses all aspects of new landscapes.

Julie Piper

Office Manager

Julie is office manager at Costata organising our business administration and supporting each project. Julie adds her invaluable support and business experience to the running of Costata.

Laurie McIntyre

Graphic Artist

Artist Laurie McIntyre brings a lifetime of experience to our finished designs with his beautiful, hand-rendering of each landscape plan. Working closely with Colin he also produces hand-sketched 3d views of each project in their preliminary phase.

Matt Moon

On our sites Matt runs his own construction team drawing upon his many years of experience as a structural landscaper. Having worked with Costata for over fourteen years he maintains the workmanship quality and level of communication that Costata values.

Tom Bond

The building qualifications and experience of Tom and his team are applied to many of our projects that require structural experience. Tom’s team are responsible for most of our constructed landscape elements such as pergolas, cabanas, decks and pool surrounds.


Our vital team support member. Brings his own perspective on what’s important in a landscape.

Supporting Contractors and Suppliers

We work with many professional services and supply businesses. Some of these are listed below

Moonscape Constructions

Crystal Curl Construction

ABC Pumps and Irrigation

Alpine Nurseries

Dimension 1 Glass Fencing

Craig Smith Bobcat

Easy Scape Mulch Blowing and Landscape

Foliage Designs

Forresters Sand and Soil

Plant Biz

Mateeba Pools

McGrath Excavations

McIntyre Design

Mick Neill Electrical

Power Stone

Rejuvenation Solutions

Windamee Nursery

A word from our clients

We are absolutely loving the garden!

We sit out there all the time now and the grandkids love the different textures and play wonderful games there too!

Margie and Adrian - Gosford

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