London terrace decking penthouse
Karl Harrison designs and builds beautiful garden with the very best materials available.The gardens he curates are timeless, refined, and uncompromising in quality. His work graces some of the finest residences in the world—ambassadorial homes, heritage estates, and super-prime properties in the heart of London. Trusted by discerning clients, Karl has become synonymous with exquisite outdoor design, transforming spaces into serene, luxurious sanctuaries. Overlooking Hyde Park, this particular garden belongs to one of the most expensive residences globally, a jewel of architectural prestige. Since 2003, Karl has shaped the landscape of high-end London living, crafting bespoke gardens that are as elegant as they are enduring—tailored to complement the art, lifestyle, and legacy of the homes they enhance.
Garden Design
Bespoke bronze footplates guide you across the threshold to a terrace of Brazilian walnut—hand-selected for tone and grain, each board precisely installed with no visible fixings. This is craftsmanship elevated to artistry, where every detail is considered, and nothing is left to chance. Bronze, one of the earth’s most precious metals, is echoed throughout the terrace: in the balustrade’s clean lines, in the subtle inlays, and in the detailing of the custom-made planters that rhythmically frame the space. These sculptural vessels, designed by Atelier Vierkant, are works of art in their own right—each one a tactile statement of permanence, presence, and poise.
The architecture of the garden is defined by form and flow. Sculpted Taxus Baccata creates structured evergreen screening, offering year-round privacy without imposing. Buxus Sempervirens adds timeless geometry, while individual planters bring quiet vibrancy through seasonal Cyclamen and the soft hues of evergreen Azaleas. The planting palette has been composed for longevity, balance, and a restrained elegance befitting its setting.
Lighting is discreet, woven into the architecture of the space to gently illuminate pathways, planters, and the bronze detailing as evening descends. This terrace is more than an outdoor space—it is an extension of the residence, an elevated experience designed for contemplation, entertaining, and connection with the unparalleled views across Hyde Park and London’s skyline.
A garden that reflects the lifestyle and legacy of the residence it belongs to—subtle, precise, and enduring.
Brief for the garden design
This prime new build demanded an exterior that matched the impeccable standards of its interior—a seamless continuation of understated luxury. The contractor, known for delivering world-class residences, required a landscape design that embodied quiet confidence, with an architectural language both subtle and deliberate. Every junction, material choice, and alignment was considered with absolute precision. Detailing was not just important—it was everything. From invisible fixings to bespoke bronze accents, the garden was crafted to echo the tone, rhythm, and refinement of the interior. Nothing ornamental, nothing excessive—just purity in form, balance in proportion, and an obsession with flawless execution. This garden is not an addition; it is a reflection of excellence.
Karl Harrison the garden designer
Karl Harrison is a distinguished garden designer and landscape consultant with over two decades of experience crafting bespoke outdoor spaces for London’s most prestigious residences. Renowned for his meticulous attention to detail and innovative approach, Karl has transformed numerous high-end properties into harmonious extensions of their interiors, seamlessly blending architecture with nature.
As a full member of the Association of Professional Landscapers (APL) and a Fellow of the Professional Garden Consultants Association (PGCA), Karl’s expertise is recognized industry wide. He has authored the “Industry Code of Practice for Decking, Wood and Composite” for the APL and actively contributes to the wider world of Garden Design and Professional Landscaping.
Karl’s portfolio showcases a mastery of materials, from sustainable hardwoods to advanced composites, reflecting his commitment to both aesthetics and longevity. His projects often feature custom elements, such as bespoke bronze detailing and sculptural planters, underscoring his dedication to quality craftsmanship.
Clients trust Karl for his professional integrity, innovative designs, and the ability to deliver outdoor spaces that are both functional and breathtaking. His work not only enhances property value but also enriches the lives of those who experience his thoughtfully designed gardens.
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