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The Design Questionnaire with Mark Howorth of Callender Howorth
Mark Howorth is the founder of Callender Howorth, the London-based, award-winning luxury interior design studio. Mark began his career in Los Angeles, where he worked on high-end residential projects across the city and throughout Southern California. Those early experiences laid the foundation for a distinctive design approach that blends creativity with meticulous project management.
Since its founding, Callender Howorth has expanded well beyond London, designing and managing projects across the UK, Paris, and the Côte d’Azur, as well as in Manhattan, the Hamptons, and back to Mark’s Californian roots in Laguna Beach and Ojai. With a strong presence in France and a recently opened office in New York, the studio’s dedicated team of award-winning interior designers, architects, stylists, and project managers has made it one of the UK’s most recognized names in luxury architectural interior design.
We had the pleasure of connecting with Mark for the latest edition of Love Happens’ Design Questionnaire. Read on and be inspired!
LH Design Questionnaire with Mark Howorth of Callender Howorth
What is your idea of perfect happiness?
No phone, a beautiful beach, warm sun, and long walks with kind, like-minded people. Being close to nature and experiencing true, genuine connection.
What do you consider your greatest achievement?
Building a company that truly values its team—encouraging talent, growth, and collaboration in a kind and focused way. Creating Callender Howorth into a place where we produce fantastic interior design whilst having fun and genuinely enjoy the process along the way!
What profession does your alter ego have?
I would happily make cakes all day long! So, I suppose my alter ego is a baker of sorts!
The design you will never forget.
Our recently completed project in Paris. It was a dream combination of an inspiring client, a wonderful brief, and a result I’m incredibly proud of—that I’m delighted to see now receiving international recognition.
Your favorite business tool or resource.
It has to be my little “black book of contacts,” developed over 25 years – it’s absolutely priceless.
The most timeless design.
Mother Nature—and all the pure and enduring beauty she offers.
The biggest design faux pas.
Following fads and trends. They’re always short-lived. Focus on what truly resonates with you, not what others are doing in the moment.
Your design motto.
Listen, listen, listen. Whether clients or suppliers—is the foundation of every successful project.
Our publisher KOKET makes statement décor. If you were to design a room around one KOKET piece, which would it be, and why?
The Bliss Coffee Table. It’s sculptural, elegant, and striking—an anchor piece around which an entire room can unfold.
Love happens when….
Kindness happens. Kindness is the key to everything and the clearest pathway to love.
Explore more work by Mark Howorth and Callender Howorth at callenderhoworth.com and on Instagram @callenderhoworth
Feature Image: Parisian Dream Apartment Interior design by Callender Howorth | Photography by Vigo Jansons
All Images Courtesy of Callender Howorth
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