Interior Designers in Sussex.

The Complete Design Lab is a premium interior design showroom that delivers solutions for distinctive interior fit-outs that are unique, stylish, and pragmatic.

For over two decades, our dynamic team of best in-house interior designers in Sussex has built an excellent reputation for creating exquisite, sophisticated luxury interiors that are both functional and beautiful. Our store provides you with the opportunity to explore different designs to include in your home.

At The Complete Design Lab, we’re committed to offering our clients luxurious interiors and furnishings. Our Sussex interior designers are here to help you realise your interior design ideas by providing only the highest quality interior products.


We have everything you need to furnish your home, inside and out.

Our team has over 40 years of experience designing luxury residences. Driven by a passion for design, our in-house team can help you achieve your dream home with expert knowledge across interior design, furniture design, furniture sourcing, and space design for your residence.

As the leading Sussex Interior Designer firm, we provide a wide variety of interior design services, from living space planning to bespoke furnishings. With our in-house design staff, we are a one-stop destination for all your furniture and interior design needs. Every time a customer visits, they are given the opportunity to see new and inventive designs, as well as custom-made pieces.

Interiors In The Heart of Sussex, Shaped by Sussex Interior Designers.

Our Sussex Interior Designer showroom is based in West Sussex – the heart of the beautiful South East – 30 minutes from London and Brighton. The Complete Design Lab is Sussex’ go-to interior design showroom and bespoke furniture supplier.

As dedicated Sussex interior designers, our ability to combine cutting-edge interior furniture options with interior designers with decades of experience makes us the perfect destination for someone looking to give their home some love.

Luxury Interior Design Ideas.

Our trendy interiors are the finest source of inspiration for designing your ideal house! A modern classic, mid-century modern, and contemporary classic are just a few of the many design styles that you can find here.

We have a range of high-end items that have been created through the use of innovative designs and workmanship. In each of the interior design projects we’ve accomplished so far, you’ll discover a complete house design with incredible curated design spaces that have been meticulously selected.

Get inspired by the greatest living room décor ideas, fitted furniture ideas, entrance hall ideas, spectacular dining room sets, exquisite and comfy master bedrooms, magical children’s bedrooms, bathroom vanities, stunning walk-in closets, distinctive home office designs, country house design as per building regulations, enhancing existing furniture, soft furnishings, inspiring mood boards, and entire home designs according to your budget and vision.

Talented Interior Designers, Beyond Satisfactory Results.

In order to bring your idea to life, you’ll meet with one of our expert interior design consultants to outline your goals and develop a precise brief for the project. Our multi-disciplined team draws on years of combined expertise, painstaking attention to detail and a shared enthusiasm for bringing our customers’ goals to fruition to achieve success.

All projects, no matter how large or little, are treated with the same degree of professionalism and customer service. We will be working closely with you throughout the whole process to handle everything from renovation and layout to renovations and finishing touches.

Our professionals have a large amount of cumulative experience spanning two generations, and they bring a wealth of knowledge to the table. We guarantee the best quality of service with a personal touch by taking a hands-on approach and paying close attention to the smallest of details.

Whatever your design needs are, whether it’s for a single room or a whole house, our team can accommodate a variety of budgets and scale any project to fit your needs, style, and budget.

Get in touch with the Complete Design Lab team for professional project management or if you want a flawless and personalised experience working with design professionals.

Our Mission & Vision

Our vision is to be known as a prominent luxury interior design business in the world market for our cutting-edge ideas and high-quality finishes. With our many years of professional expertise, we are confident that we can continuously produce unique design services that meet the needs of our partners and customers.

We aspire to develop long-term client relationships and deliver distinctive, premium, and inventive design concepts through professional services with the highest integrity.

Meet Elyse Thatcher, Artistic Director

Elyse Thatcher, Artistic Director and co-founder of The Complete Design Lab, was trained in Paris and has over 15 years of experience in interior and furniture design, from contemporary chic to lavish opulence.

With the ever-increasing demand for bespoke furniture, she has many international furniture manufacturers and designers who are able to cater to all her clients’ demands. The endless task of sourcing materials and fabrics can be made easier with her wealth of experience and support.

Her attention to detail and international suppliers have gained her a global clientele. She will be happy to discuss your requirements on whatever scale.

Unique Environments

A comprehensive personal service

To create distinctive designs, we rely on our experienced personnel and their capacity to replicate their achievement at all production levels. The Complete Design Lab strives to produce timeless designs that will stand the test of time. To improve the quality of life, we create well-designed lifestyle concepts. Our aim is to respond to the demands of each individual client, creating a truly unique environment. We pride ourselves on sourcing the finest core materials and providing quality crafted bespoke furniture on a small or grand scale.

Initial Meeting

When we meet for the first time, we'll talk about how you intend to utilise your spaces and your lifestyle, as well as all of your preferences and dislikes, ranging from creative colour and lighting ideas to interior design styles.

Interior Design

Our interior designers interpret each client’s passions and style to provide innovative and exquisite interiors, curating furniture, textiles, art, and antiques.

Furniture Design

Working in tandem with our interior architects and interior designers, our furniture, fittings, and equipment design team creates soft finishes and furniture schemes for each project.


We develop strong relationships with a wide range of incredibly talented craftspeople and designer-makers so as to offer our clients both the best of off-the-shelf and bespoke products.

Space Design

Interior spaces are often completely re-imagined beyond the decorative element. To eliminate boundaries between the structural work, we focus on building inspiring environments and a better way of life.

Enquire about our Interior Design services.

While you are welcome to visit our showroom in West Sussex, we are also available for virtual design sessions. We are accessible to communicate with you through all of our communication channels, including phone, email, and social media platforms. We are a trusted British institute of interior designers in Sussex who can meet and even exceed your expectations.

Please fill out the form here to request a design consultation.