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Callender Howorth Interior & Architectural Design

About Us

25 years in business
7x Best of Houzz winner
London's Luxury Full 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, New York and Central London, 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. English and French spoken. Founded and led by Mark Howorth in 1997, Calendar Howorth continues to create and transform uniquely tailored homes that embrace the art of luxury design. Listen to our podcast on Spotify - The Houzz Social Interview with Mark Howorth

Services Provided

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

Areas Served

London, Mayfair, Kensington, Knightsbridge, Chelsea, Marylebone, St John's Wood, Hampstead, Primrose Hill, Holland Park, Belgravia, Canary Wharf, Hyde Park, Notting Hill, Westminster, Islington, Shoreditch, UK, Cobham, Oxshott, Ascot, Marlow, Harpenden, Bray, Buckinghamshire, Berkshire, Surrey, Hertfordshire, Kent, Oxfordshire

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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
3 Perseverance Works
25 Hackney Road
London, Greater London E2 8DD
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.
United Kingdom
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