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Callender Howorth Interior & Architectural Design

Callender Howorth Interior & Architectural Design

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About Us

25 years in business
Speaks English, French
Luxury Full Home Design, Build & Renovation Company
Callendar Howorth is one of the UK’s leading international luxury interior design practices renowned for their stunning portfolio and memorable residential interiors. With offices in the French Riviera, Central London and New York - their multi-disciplinary team of award-winning architects and designers specialise in interior architecture, interior design and build with complete project management. A passion for design, an unparalleled commitment to excellence, and 25 years of experience, has led Callender Howorth to deliver exceptional design and renovation of exclusive villas on the Cote d’Azur, restoration of listed London townhomes to “state of the art” penthouses in Manhattan. Our clients are at the heart of every project and benefit from a complete project management team. Contact us about your next project.

Services Provided

Architectural Design, Architectural Drawings, Basement Conversion, Basement Design, Building Design, Conservatory Design & Installation, Custom Build Home, Home Cinema Design, Home Renovation, House Extensions, House Restoration, Interior Design, Kitchen Design, Loft Conversion, New Home Build, Project Management, Space Planning, Sustainable Design, Swimming Pool Construction, Kitchen Renovation, New Home Construction

Areas Served

London, United Kingdom, Cote d'Azur, New York


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This is an example of a medium sized classic formal open plan living room in Other with blue walls, dark hardwood flooring, a standard fireplace, a stone fireplace surround and brown floors.

Complete Interior Design of Hampstead Home

Hampstead, London, Greater London
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Business Details

Business Name

Callender Howorth Interior & Architectural Design

Phone Number



London, Greater London
United Kingdom

Typical Job Cost

£250,000 - £5 million

Each project is entirely based on the individual client and space. Please do get in touch with your planned project information and we will be very happy to arrange a design consultation with you to understand your desires and requirements.



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3 Ideabooks

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Remarkable, Bold & Tailored Design
Callender Howorth Interior & Architectural Design
Average rating: 5 out of 5 stars
United Kingdom
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