Where vision meets precision
345 Interiors is a family-run team of design, build, and office fit-out pioneers, creating high-performance workspaces
across London and the South of England.
Our family is here to understand the needs of your family and create an environment where people and operations can harmonise and thrive.
We’re not driven by the size or value of a job, or the prestige attached to working with a big name. Those things don’t matter to us.
What really ignites our passion is beginning every project with a blank canvas, an understanding of your unique set of needs, and an intrinsic desire to ensure your space is always actively working for you.
We think of your workforce as your extended family, and believe you’ll do anything to help them thrive. This is an ethos we understand only too well. Allow us to turn your vision into a high-performance reality.
Vision
Translating your ideas into purpose-led design, and helping bring your workplace ambitions to life.
Budget
Working with any size investment to maximise the performance of your space—without compromise.
Timescale
Planning and delivering on time, ensuring minimal disruption to your day-to-day operations.
Expertise
Decades’ experience gives us the foresight to unlock potential others might miss.
Diligence
Every detail matters; every line in the budget is accounted for; every team member knows their role.
Creativity
From layout to lighting, we find inventive ways to turn every challenge into a standout feature.
Beauty
The 345 Interiors’ team design spaces that look as good as they feel—sleek, stylish, and effortlessly on point.
Functionality
Every square metre, corner, and nook are optimised to serve the way your team works best.
Productivity
We create environments where people are energised, focused, and happy to do their best work.
The experience to make any
workspace a workhorse
Care
Spaces where compassion meets practicality. We design environments that support staff, respect residents, and promote wellbeing.
EXPLORE
Leisure
From calm retreats to energising social spaces, we shape leisure environments that inspire enjoyment, movement, and connection.
EXPLORE
Office
Your office space should reflect how your business operates. We build spaces that support productivity, encourage collaboration, and empower people.
EXPLORE
Automotive
Showrooms, workshops or service centres, we create environments that improve flow, represent your brand, and keep people and vehicles moving.
GET IN TOUCH
Showroom
More than display. We build showrooms that spotlight your products, elevate the experience, and support the way your team and customers interact.
EXPLORE“They delivered consistency”
They delivered consistency, quality, and care – a trusted partner across the board. They handled every location with the same attention to detail and professionalism – seamless execution, minimal disruption, and outstanding communication throughout.
Matt Smyth, Head of Facilities EMEA, Teneo
Beyond the brief
We never stop looking for ways to add that all-important extra value and flex our creativity in a way that brings joy to those we create spaces for. We’ve developed our own special way of going the extra mile, and it’s one that our repeat clients never get bored of. In fact, they can’t wait to see the latest surprise we’ll have in store for them.
Serious about
sustainability
At 345 Interiors, we believe that caring for the environment and upholding our social responsibility are paramount — not just a tick-box exercise. That’s why we’re genuinely passionate and driven to achieve our goal of reducing waste and protecting the environment, working in partnership with our clients and suppliers to make a lasting difference for generations to come.
Environmental
Sustainability
Protecting and preserving the environment through responsible resource management and sustainable practices.
Ethical
Governance
Maintaining the highest standards of business ethics, transparency, and regulatory compliance.
People
Development
Investing in our employees’ wellbeing, professional development, and creating an inclusive workplace culture.
Stakeholder
Engagement
Building strong, collaborative relationships with clients, staff, suppliers, and community partners.