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Expert Office Design & Fit-Out Services
Oaktree Interiors has been delivering exceptional office design, refurbishment, and fit-out services for over 30 years. Our in-house team of designers, strategists, and installers works closely with clients to create tailored workspaces that enhance productivity, reflect brand identity, and adapt to evolving business needs. We prioritise sustainability, having achieved a Gold medal in EcoVadis' sustainability assessment, and maintain a straightforward, client-centric approach. Our end-to-end process ensures minimal disruption, with projects managed in-house from initial concept to completion.

With offices across London, Kent, Berkshire, and Hertfordshire, we serve businesses and landlords throughout the South, offering competitive pricing and a commitment to quality. Our accolades include SafeContractor approval and a reputation for innovative solutions, as evidenced by testimonials from clients such as Znd UK and The Berkshire Clinic. We provide ongoing aftercare support, ensuring long-term client satisfaction.
Services
Office Fit-Outs Office Refurbishment Office Furniture Landlord Fit-Out Office Interiors Design Office Relocation Workplace Consultancy Workplace Wellbeing Recycling Sustainability
Highlights and features
  • We have over 30 years of experience in office design and fit-outs.
  • Our in-house team ensures seamless project management from concept to completion.
  • Tailored solutions that reflect your brand identity and operational requirements.
  • Awarded Gold in EcoVadis' sustainability assessment for environmental responsibility.
  • Comprehensive aftercare support to ensure long-term satisfaction and functionality.
Associations and certifications
  • EcoVadis
  • SafeContractor
What people say
Professionalism evident throughout Innovative solutions beyond expectations Highest standard of finish Seamless execution and timely delivery Outstanding team and results
Services
Office Fit-Outs
Our office fit-out services transform empty spaces into functional, brand-aligned environments. We handle everything from flooring and lighting to bespoke furniture installation, ensuring your workspace meets operational needs while reflecting your company's identity. Our process includes 3D design visualisations, expert space planning, and seamless execution by in-house teams. Clients benefit from reduced disruption through meticulous scheduling and a single point of contact throughout the project lifecycle.
Office Refurbishment
We revitalise existing office spaces to boost productivity and modernise aesthetics. Our refurbishments focus on improving functionality through updated layouts, ergonomic furniture integration, and enhanced lighting solutions. The process begins with workplace analysis surveys to identify improvement areas, followed by custom design proposals that maximise your current footprint. Projects consistently deliver increased employee satisfaction and improved space utilisation rates for businesses across sectors.
Landlord Fit-Out
Specialist services for property owners seeking to increase rental appeal through high-quality office transformations. We create move-in-ready spaces with flexible layouts that attract tenants, incorporating Cat A/B specifications and sustainable building practices. Our solutions include partitioning systems, integrated technology infrastructure, and branding elements that enhance property value while maintaining cost-effectiveness for landlords.
Office Furniture
Comprehensive furniture supply and installation services featuring ergonomic chairs, modular workstations, and custom storage solutions. We curate selections from leading manufacturers while offering bespoke fabrication options to meet specific spatial requirements. Our consultants help clients choose pieces that balance aesthetics with functionality, ensuring furniture choices support both employee wellbeing and brand representation within the workspace.
Workplace Consultancy
Expert guidance on optimising workspace efficiency through data-driven analysis of current operations. Our consultants assess space utilisation patterns, employee workflows, and future growth projections to develop strategic recommendations. Services include space planning audits, hybrid working model implementation, and cost-benefit analyses for proposed design changes, helping businesses make informed decisions about their office environments.
People
Perry Mills
Chief Executive Officer
With over 30 years in commercial interiors, Perry leads Oaktree's strategic direction while maintaining hands-on involvement in major projects. His expertise in balancing design innovation with practical business requirements has driven the company's growth and sustainability initiatives.
Questions
What office design services do you offer?
We provide office fit-outs, refurbishments, furniture solutions, landlord fit-outs, and workplace consultancy tailored to your business needs.
Do you work with businesses outside the South?
While based in the South, we collaborate with clients nationwide on office design and fit-out projects of all scales.
How do you ensure minimal disruption during projects?
Our in-house team manages timelines meticulously, coordinating work around your operational requirements to maintain business continuity.
Are sustainability practices integrated into your work?
Yes, we hold an EcoVadis Gold medal for sustainability, incorporating eco-friendly materials and energy-efficient designs into all projects.
Can you handle both small and large-scale projects?
We accommodate projects of all sizes, from single office upgrades to 40,000 sq ft corporate headquarters.
What aftercare support do you provide?
We offer ongoing support post-completion, addressing any adjustments or issues to ensure your workspace functions optimally long-term.