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Founded more than 30 years ago, we are a multi award winning architecture studio specialising in prestigious contemporary residential design.

Established as one of the UK’s leading residential architects, we deliver the finest homes to the highest architectural quality with a carefully considered approach.

Whether the project is an extension, a renovation or an entirely new house design, every project we work on is transformative and we care about every detail.

We strive for every project to be our best yet.

At Gregory Phillips Architects, one of the leading interior design companies, we immerse ourselves in our client’s lifestyles to piece together an immaculate shared vision, resulting in extraordinary residential interior design in Los Angeles.

Working in collaboration with local interior design talent, we create extraordinary results for our clients.

We were pioneers in London, introducing a comprehensive residential designer’s service, now extended to LA, integrating interior design and landscaping into our comprehensive portfolio. Being part of the Royal Institute of British Architects (RIBA), our holistic approach ensures clients receive a unified plan, tailored to their lifestyle, providing a seamless journey from design to on-site completion.

Our core philosophy revolves around deeply comprehending our clients’ requirements and artfully translating them into top-tier designs. We craft contemporary, sophisticated, and functional solutions of exceptional calibre.

House Extensions and Refurbishments – Interior Designers in Los Angeles

We specialise in House Extensions and Refurbishments, crafting seamless extensions that harmoniously blend traditional and contemporary designs, ensuring a smooth transition between interior and exterior spaces.

Gregory Phillips Architects have a broad range of experience refurbishing many types of existing properties from large individual dwellings to apartments. Our experience also extends to refurbishment of historic buildings. We have completed many conservation and heritage building projects successfully and harmoniously integrating new architectural technologies and features into the original fabric of the building.

Each project gives us a chance to create something spectacular, but our process is quite simple: we help you form a vision of how you’d like to live. Then we make it happen.

Award-Winning Residential Interior Design Los Angeles

Our commitment lies in delivering opulent refurbishments that precisely mirror our clients’ visions. With open communication and meticulous attention, we curate contemporary yet timeless designs, customised to each client’s preferences and standards, earning acclaim within the industry and positioning us as one of the foremost interior design firms.

Our portfolio has earned prestigious honours in architecture and interior design, such as the Best House in Europe by the International Design and Architecture Awards, Sunday Times British Homes Awards, Grand Designs Award, and Homes and Garden Award. As well as accolades in the LA press.

Gregory Phillips Architects creates contemporary homes, blending cutting-edge design, materials, and technologies for entertainment, security, and communication. These spaces feature open-plan interiors, and gorgeous landscaping, and prioritise sustainability, boasting reduced carbon footprints through optimised energy use and eco-friendly materials.

Contact us directly at gp@gregoryphillips.com, and let’s embark on a deep dive into the intricate details of your project. We are here to truly understand your aspirations and collaborate in weaving your design dreams into a reality.

See our selected projects

About Us

Located in Holborn at the heart of London’s midtown, we are on the doorstep of one of the world’s great cities. Culturally rich, everchanging and with a wealth of brilliant suppliers, craftsmen and consultants, our projects span the breadth of the UK and even internationally.

Gregory has led the studio and driven a focus on designing extrordinary homes for over three decades. His determination to continually be at the forefront of British design has resulted in a portfolio being internationally recognised in the architectural and interior design industry.

Find out more about our studio

Our Process

Working with an architect on your home is a deeply personal journey and a relationship that can span multiple years. We not only understand this, but cherish a close partnership with our clients.

We consider ourself a safe pair of hands and have an unrivalled track record of delivering the most demanding projects. We feel comfortable navigating complex briefs,
planning processes and building to the highest standards.

Whilst our process is flexibile, for the majority of our homes, we are involved from concept to completion. Our team of architects have vast expierience and have all worked at the studio for many years.

The architect you meet at the beginning, will be with you for your entire project. This can prove invaluable.

Learn more about our process

Award Winning Architects

We strive for the highest standards in the design and build of each home we work on. Many have been recognised for their contribution towards the architectural and interior design Industry.

Recent awards and recognitions

/ 2024 RIBA London Award [shortlist]
/ 2024 British Homes Awards – Best UK House [shortlist]
/ 2024 Architizer A+ Awards – Large Private House [finalist]
/ 2023 UK Property Awards- Winner
/ 2023 Design et al – Luxury Residence Europe [shortlist]
/ 2022 RIBA London Award [nominee]
/ 2022 British Homes Awards – Best UK House [shortlist]
/ 2020 BD Architect of the Year – Interiors [finalist]
/ 2020 Luxury Lifestyle Awards – Best Luxury Architecture UK [winner]
/ 2018 RIBA West Midlands Award [winner]
/ 2018 RIBA House of the Year [longlist]
/ 2018 Design et al – Luxury Residence Europe [winner]
/ 2018 RIBA South Award [winner]
/ 2018 RIBA House of the Year [longlist]
/ 2018 British Homes Awards – Large House of The Year [winner]
/ 2018 British Homes Awards – Extension of the Year [highly commended]
/ 2018 British Homes Awards – Interior Home Design [highly commended]
/ 2018 BD Architect of the Year – Interiors [finalist]
/ 2017 International Design & Architecture Awards – Luxury Residence Europe [winner]
/ 2017 Design et al – Luxury Residence Europe [winner]
/ 2017 UK Property Awards – Best Single Residence [winner]
/ 2017 UK Property Awards – Best Interior Design [winner]
/ 2017 BD Architect of the Year – Individual Houses [finalist]

Press

Our homes have featured in a wide variety of national and global design publications and newspapers.