About the Business
Jonathan Sethna Interiors specialises in creating timeless designs brought to life with fresh imaginative ideas. We offer a tailor-made service which will give your space a unique and customised distinction with unforgettable identity.

In his twenty-plus years in the industry, founder Jonathan has been involved in a number of prestigious projects such as the Dorchester Hotel Spa in Mayfair and Witanhurst House in Highgate – the largest privately-owned home in London, second only to Buckingham Palace.

Jonathan understands the difference an expertly considered space can make to the lives of those who use it. Now with a diverse portfolio of projects, our mission is to make luxury design accessible to everyone.

Honesty and Integrity are at the core of what we do and we pride ourselves on our down-to-earth approach to client relations. Whether you are an existing business or start-up company looking to stay one step ahead in a crowded market; or a private individual looking for beautiful interior solutions, Jonathan Sethna Interiors can work with you to transform your space with dramatic results.
Business Services

Process & Approach

Process & Approach

Jonathan Sethna Interiors are passionate about achieving fresh and innovative interiors with consideration for the exclusive requirements and challenges of each unique project.

Interior design should be an enjoyable and creative experience, so to further enable this, projects are broken down into key stages, offering you clarity about what to expect along the way.

For the majority of clients, we are appointed to carry out full interior design services. This includes concept development through to technical documentation and installation, however, we can offer as much or as little as you require.

Whatever your requirements Jonathan and his team will work closely with you to ensure a professional service of the highest quality.

Location & Hours

Borrer Dr

Henfield, BN5 9FQ
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