
Luxury Interior Design & Building Contractor Services — Mayfair, London
Antonio Grano's Mayfair studio offers a rare combination of luxury interior design and principal building contractor services under one roof — eliminating the fragmentation that so often undermines high-end property projects.
Whether you are planning a complete lateral conversion in Belgravia, a structural remodel in Mayfair, or a full interior transformation anywhere in prime central London, every commission is handled by the same team, to the same exacting standard, from the first consultation to final handover.
Why Choose Us?
Our integrated approach by delivering both Interior Design & Building Services enables us to offer our clients a comprehensive and seamless experience, where we eliminate the traditional frictions of luxury development. Our clients enjoy a singular point of accountability and absolute fiscal transparency from the first planning application to the final turn of the key.

Interior Design
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Spatial Strategy: Optimising layouts for light, lifestyle, and significant capital appreciation.
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Bespoke Joinery: In-house design and craft of one-of-a-kind libraries, kitchens, and dressing suites.
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Hard-Finish Specification: Sourcing of rare marbles, artisan timbers, and specialist Venetian plasters.
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FF&E Curation: Global procurement of trade-only furniture, heritage textiles, and fine art.
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Turn-Key Delivery: White-glove installation and final aesthetic dressing of the residence.
Building Work
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Structural Remodelling: Reconfiguring interior volumes and load-bearing profiles to enhance spatial flow.
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Controlled Strip-Outs: Methodical removal of existing fabric to create a technical "blank canvas."
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Prime Extensions: Expert execution of subterranean basements and vertical loft developments.
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Infrastructure Modernisation: Displaced integration of HVAC, high-capacity electricals, and smart-home MEP.
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Principal Contracting: Direct management of Westminster Planning, site logistics, and neighborly diplomacy.






