Unique outdoor spaces

Rectangular backyard pool with a modern wooden pool house
The Gardencenter in Tandel surrounded by vibrant flower beds
Gardencenter
Concept & Construction
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Garden Maintenance

Gillen - Unique outdoor spaces

Welcome to Gillen, the outdoor landscaping experts based in Tandel. We offer you a complete garden experience, from conception to completion, combining nature and architecture using sustainable working methods. 
Every garden is a bespoke creation, the fruit of our long-standing experience and is adapted to each customer's individual lifestyle, vision and available space.

The Gardencenter

A wide variety of plants to embellish your garden and valuable advice on how to care for them await you at our Gardencenter in Tandel.

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From planning to maintenance, our entire team is at your service.

Your made-to-measure pool

Swimming in a natural environment: this is what we offer you with our swimming ponds and natural pools. Not only will a pool enhance the appearance of your garden, but you will also be able to enjoy an unforgettable swimming experience without any chemicals. Our experienced team is at your disposal from consultation to final completion and will make your dream of a pool in your own garden a reality.

In collaboration with the cooperative Pool for Nature, we combine technical precision with imaginative, unique solutions for every project.

Create your pool
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Our services

Swimming ponds and natural pools combine the pleasure of an outdoor pool with the preservation of a completely natural environment.

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Gardeners, builders, carpenters... All trades are brought together to complete your project, whether it's a small renovation or major structural work.

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A garden, regardless of its size, requires maintenance. Our gardeners are at your disposal to make your garden a delight all year round.

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