Business Details
29 Years
experience
Luxury Interior Design & Architecture Experts
Callender Howorth is a distinguished luxury interior design firm with over 25 years of expertise in crafting bespoke residential and commercial spaces. Established in 1997, our award-winning team of architects and designers specialises in interior architecture, design, and comprehensive project management. We operate globally across the UK, Europe, and North America, delivering tailored solutions that reflect each client's unique vision. Our approach combines creative design with meticulous planning, ensuring exceptional quality and client satisfaction. With a strong reputation for excellence, we have completed iconic projects in London, Paris, the French Riviera, New York, and Los Angeles.Our commitment to understanding client needs and delivering innovative, high-standard results has solidified our position as a leader in luxury interior design. We pride ourselves on maintaining open communication, fostering trust, and providing a seamless experience from concept to completion. Our team's deep industry knowledge and dedication to craftsmanship ensure every project achieves its full potential. By integrating artistry with practicality, we transform spaces into timeless, functional environments that exceed expectations. This philosophy has earned us recognition as one of the UK's most respected luxury interior design practices.
Services
Interior Architecture
Interior Design
Project Management
Interior Styling
Concept Designs
Details
- Year established: 1997
Highlights and features
- We have 25+ years of experience in luxury interior design and architecture.
- Our team includes award-winning designers and project management specialists.
- We offer fully tailored solutions for residential and commercial properties.
- We provide complete project management from concept to completion.
- We maintain a strong international presence in key luxury markets.
Services
Interior Architecture
We specialise in comprehensive architectural schemes for residential and commercial properties. Our team handles Listed buildings, planning consultations, and interior design packages with precision. With expertise in heritage properties and modern developments, we balance creative vision with regulatory requirements to deliver exceptional spaces that meet both aesthetic and functional needs.
Interior Design
Our interior design service creates luxurious residential and commercial environments worldwide. We focus on bespoke solutions that reflect client lifestyles, incorporating furniture, lighting, and material selections. By prioritising comfort and wellbeing, we transform spaces into harmonious environments that combine artistic flair with practical functionality across diverse property types.
Project Management
We provide end-to-end project management for luxury interior developments. Our team coordinates construction, procurement, and custom fabrication while maintaining strict quality control. Through regular site visits and transparent communication, we ensure timely delivery within budget while upholding the highest craftsmanship standards throughout the build process.
Interior Styling
Our styling service adds the final touches to completed interiors using curated furniture, art, and decorative elements. We source globally from established and innovative suppliers to create cohesive, visually striking spaces. This critical final stage transforms functional rooms into emotionally resonant environments that reflect each client's personal taste and lifestyle.
Concept Designs
We develop initial ideas through visual references, 3D modelling, and detailed sketches. Our concept design process involves collaborative client workshops to refine ideas into cohesive schemes. Using digital walkthroughs and material palettes, we create comprehensive design proposals that serve as blueprints for successful project execution while maintaining flexibility for client input.
People
Mark Howorth
Founder & Lead Designer
Award-winning interior designer Mark Howorth founded the practice in 1997 after working in Los Angeles. Recognised as one of London's top designers, he brings international experience from projects across Europe, the US, and the French Riviera. His vision combines creative excellence with practical execution.
Questions
What areas do you specialise in for interior design?
We specialise in luxury residential and commercial projects across London, Paris, the French Riviera, New York, and Los Angeles.
How long has Callender Howorth been in business?
We have been creating exceptional interior designs since 1997, with over 25 years of industry experience.
What services do you offer besides interior design?
We provide full architectural design, project management, concept development, and interior styling services for complete solutions.
How do you approach client collaboration?
We begin with detailed consultations to understand client needs, followed by collaborative design development and regular progress updates throughout the project.
Can you work on Listed buildings?
Yes, we have extensive experience managing complex projects involving Listed properties and heritage buildings.
Do you have an international presence?
We operate across Europe, North America, and maintain dedicated design teams in London and New York.
