Industry Insight

25 June 2025

What Is the Difference Between an Office Fit Out and Refurbishment?

Whether you’re moving into a new space or revitalising an existing one, understanding the difference between an office fit out and refurbishment is essential. Both projects aim to optimise your workspace, but their approaches and objectives differ significantly. Familiarising yourself with their purposes, processes, and benefits can provide you with clarity for your next project.

What is an Office Fit out?

An office fit out is the process of transforming an empty or unfinished space into a functional and operational workplace. Fit outs typically begin with a blank canvas, such as a shell or core space, and involve the installation of fixtures, fittings, and systems required for daily operations. The purpose is to create a bespoke environment that meets your business’s specific requirements.

Types of Fit outs

Office fit outs come in four types. They are:

1. Shell and core

This is the most basic level of fit out. Shell and core spaces provide a structural framework, including the external structure, basic utilities, and common areas, but leave the interior unfinished. The tenant must complete all interior work.

2. Category A (Cat A)

Category A fit outs include essential elements such as flooring, ceilings, electrical wiring, lighting, HVAC systems, and basic internal walls. These are typically provided by landlords and prepare the space for customisation by tenants. Take a look at our latest Cat A office and laboratory fit out at 316 Cambridge Science Park, Cambridge.

3. Category B (Cat B)

Category B fit outs are tenant-specific. They involve customisations such as partition walls, furniture, branding, technology integration, and specialised lighting to create a workspace tailored to the tenant’s needs. Oxford Ionics, Oxford Technology Park is one of the latest examples of a full Cat B fit out.

4. Category A+ (Cat A+)

A relatively new concept, Category A+ fit outs strike a balance between Cat A and Cat B projects. These spaces are semi-furnished and ready to use, making them ideal for businesses seeking a quick and cost-effective move-in solution. A recent example of a CAT A+ fit out can be seen at 8200 Cambridge Research Park.

When to Choose a Fit out

An office fit out is ideal for businesses moving into a new building, expanding their operations, or needing a workspace tailored to their unique requirements. It’s also suitable for creating a cohesive brand presence and optimising functionality from the ground up. Its benefits include:

  • Customisation – tailored designs to match your unique brand identity and operational needs.
  • Improved productivity – optimised layouts and ergonomics can enhance efficiency.
  • Future-proofing – designed with scalability and technological advancements in mind.
  • Enhanced image – a well-fitted office reflects professionalism and boosts employee morale.

office with a cozy seating nook under an arched wooden frame, featuring gray cushions, a hanging lamp, and a small plant. Curved glass wall encloses a meeting space, adding a sleek, inviting atmosphere

Project Focus: ideaSpace

At COEL, we were thrilled to be chosen by ideaSpace to transform their workspace into an innovative and welcoming environment, which would bring together entrepreneurs and start-ups from across the region to innovate and thrive. Their Cat B office fit out was centred around collaboration, with spaces created to enable social lunches and drinks after work, through to focused open booths, and casual touch base areas and meeting rooms for more focussed teamwork.

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What is an Office Refurbishment?

An office refurbishment involves updating, improving, or reconfiguring an existing workspace without starting from scratch. It focuses on revitalising worn-out or outdated elements to enhance functionality, aesthetics, or efficiency. Refurbishments are typically carried out to meet changing business needs or adapt to new trends.

Types of refurbishments

Office refurbishments can be categorised into two types. They are:

1. Cosmetic refurbishment

This type of refurbishment focuses on surface-level improvements such as repainting, new flooring, updated furniture, and modernised lighting. It enhances the aesthetic appeal of the office without altering its structure or layout.

2. Functional refurbishment

Functional refurbishment goes deeper, addressing layout reconfigurations, improved HVAC systems, upgraded technology, and better utilisation of space. It aims to enhance both aesthetics and operational efficiency.

Modern office lounge featuring colorful seating, tables, and a large wooden pegboard wall with "WELLNESS" spelled out. Bright lighting and glass partitions define the spacious, plant-enhanced environment.

When to Choose a Refurbishment

A refurbishment project is suitable for businesses that want to breathe new life into their existing office without significant structural changes. This project is ideal for updating outdated interiors, improving energy efficiency, or reconfiguring the layout to match new workflows. Its benefits include:

  • Cost-effective – refurbishments are typically less expensive than full fit outs.
  • Sustainability – reusing and upgrading existing materials can help reduce waste.
  • Minimal disruption – work can often be completed without relocating staff.
  • Enhanced functionality – updates can help improve comfort, efficiency, and workflow.

Comparing Office Fit out and Refurbishment

Understanding the difference between an office fit out and refurbishment is crucial to choosing the right approach for your workspace transformation. While both aim to enhance functionality and aesthetics, they differ significantly in scope, cost, and structural impact.

1. Scope of work

As mentioned earlier, fit outs involve starting with a blank or minimally prepared space, often requiring a complete transformation. Refurbishments, on the other hand, focus on upgrading or modernising an existing setup.

2. Time and cost implications

Fit outs are generally more time-intensive and costly due to the comprehensive nature of the work. Refurbishments are quicker and more budget-friendly as they focus on enhancing existing features.

3. Structural impact

Fit outs often require significant structural modifications, while refurbishments usually work within the existing framework. This distinction can influence planning permissions and compliance requirements.

Two construction workers in safety vests and helmets review blueprints in a partially built office with exposed ceilings and scattered metal beams

Choosing Between Fit out and Refurbishment

Selecting between an office fit out and refurbishment requires a careful assessment of your business’s specific needs and challenges. Factors such as operational goals, budget, and regulatory requirements play a vital role in making the right decision.

1. Assessing your business needs

Evaluate your current and future operational requirements. If your existing space cannot accommodate these, a fit out may be necessary. For aesthetic or functional improvements, refurbishment is often sufficient.

2. Industry and regulatory requirements

Certain industries, such as science and healthcare, have specific compliance standards that may necessitate a fit out or comprehensive refurbishment. Ensure your choice meets these regulations.

3. Budget and time constraints

A significant difference between an office fit out and refurbishment is the amount of time and resources required to complete each project. Fit outs often need a higher investment of time and money, while refurbishments are more cost-effective and quicker to execute. Choose based on your financial and operational timelines to obtain optimum results.

Modern office space featuring tables with chairs facing a wall with cabinets. Overhead lights illuminate the area. A plant decorates a table in the foreground next to a metal partition wall.

Working with UK Office Design Specialists

Collaborating with experienced office design specialists, such as our team at COEL, ensures your project meets both aesthetic and practical objectives. From navigating UK building regulations to delivering tailored solutions, the right team can streamline the process and guarantee success.

1. Choosing the Right Team for Each Project

Partnering with experienced office design specialists is crucial for both fit outs and refurbishments. At COEL, our team will assess your needs, propose tailored solutions, and perform seamless execution to ensure the project meets your specific requirements.

2. Compliance with UK building standards

Whether undertaking a fit out or refurbishment, adhering to UK building regulations is vital. At COEL, our design specialists will handle planning permissions, ensure safety standards, and manage environmental impact. This ensures your workspace not only meets compliance standards but also reflects the highest levels of quality and sustainability.

Revitalise Your Office with the Right Renovation Project

Deciding between an office fit out and refurbishment depends on your business’s unique needs, budget, and goals. Fit outs are ideal for businesses seeking a fully customised workspace, while refurbishments offer a cost-effective way to modernise and enhance existing offices. By understanding the differences and working with skilled professionals, you can create a workspace that matches your vision, fosters productivity, and supports long-term growth.

How Can We Help?

At COEL, we specialise in delivering tailored office fit out and refurbishment solutions that bring your vision to life. Whether you’re starting fresh with a blank space or looking to revitalise your existing office, our team of office design specialists can ensure a seamless process from concept to completion.

Get in touch to discuss your project and discover how we can create a workspace that supports your business’s growth and success.

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