Fit Out Of Buildings UK

Last Updated on 1 August 2023 by Editorial Team

Fit Out of Buildings UK: A Comprehensive Guide

As a company grows and evolves, so do its workplace areas. The process of converting an empty or outdated area into a useful and appealing workspace is referred to as a building fit-out in the UK.

We will cover everything you need to know about fit-out projects in this article, including the benefits, process, and important factors.

What exactly is a fit out?

A fit-out is the process of modifying an interior area or space for a particular purpose, such as a commercial office, retail shop, or hospitality location, so that it is fit for purpose and ready for occupation. This involves installing fixtures, fittings, and finishes that satisfy the residents’ practical and aesthetic needs.

In other words, the tenant who is leasing the space from the developer or landlord will undertake elements such as electrical, mechanical, decoration, and furnishing.

Fit-out construction in the UK is frequently done by a tenant’s own contractor rather than the landlord’s construction company.

Types of Fit Outs in the UK

Fit-outs are classified into two main types in the UK: shell and core, and Category A and B.

Shell and Core

The installation of fundamental building services such as electrical and plumbing systems (including toilets), fire protection, and elevators is characteristic of shell and core fit-outs. This provides a blank canvas for tenants to customise and fit out to their specific requirements.

Category A, B and C

Basic finishes such as suspended ceilings, raised floors, and interior partitions are included in Category A fit-outs which provide a blank canvas. This provides tenants with a basic degree of comfort and functionality.

Category B fit-outs include the customisation of the area to suit the tenant’s particular requirements, such as the installation of furnishings, IT equipment, and branding.

With the exception of any brand-specific material/décor, Cat C fitouts are anticipated to be similar to Cat B fitouts in terms of what is included in the scope of the fitout, and will be fully constructed, supplied, and managed by the landlord.

There is also what is know as a Category A -Plus fit-out in the UK.  Cat A plus is a midpoint between the conventional boundaries of Cat A and Cat B fit outs.  It’s basically a plug-and-play office setup given by landlords. This means that a potential tenant only requires their employees, refreshments, and IT equipment to move in.

retail unit fit out uk
The start of a retail unit fit out we did for Screwfix, which was previously a Comet store in Barnsley, South Yorkshire, UK.

Advantages of Fit-Outs

Fit-out projects that are well-executed can provide numerous advantages to both tenants and building owners in the UK. Among these advantages are:-

Improved Functionality

A well-designed fit-out can greatly enhance a building’s functionality, making it more comfortable, efficient, and practical for its intended use. A fit-out project can help maximise productivity and workflow by customising the workspace to suit the particular requirements of the tenant.

Increased Value

A building fit-out can also increase the overall value of the property. By improving the functionality and aesthetics of the building, a fit-out project can help attract and retain high-quality tenants, ultimately leading to increased rental income and property value in the UK.

Enhanced Aesthetics

A fit-out project can improve a building’s general aesthetics as well as its functionality. A fit-out project can help create a professional and inviting area that represents the tenant’s identity and values by incorporating contemporary design elements and high-quality materials.

Better Sustainability

A fit-out project can help lower the carbon footprint of the building and enhance its overall sustainability by incorporating sustainable design elements and technologies. This can benefit the environment as well as the tenant’s or building owner’s reputation.

Greater Flexibility

Finally, a building fit-out can provide greater flexibility for tenants and building owners. By incorporating flexible design elements and modular systems, the building can be easily adapted and modified as business needs and requirements change over time.

The Fit-Out Process

The following steps are usually included in the fit-out process in the UK:-


The tenant and their design team will outline the goals and needs of the fit-out project during the briefing stage. This could entail performing a requirements assessment, identifying important stakeholders, and developing a budget and timeline.


The design step entails creating an idea as well as a detailed design for the fit-out. Producing 3D visualizations, choosing materials and finishes, and working with various experts such as architects, engineers, and builders may all be part of the process.


During the buying stage, materials, fixtures, and furnishings for the fit-out are sourced and purchased. Obtaining quotes from suppliers, negotiating contracts, and handling delivery schedules may all be part of the job.


The actual installation of the fit-out occurs during the building stage. Coordination with contractors, management of on-site activities, and adherence to construction standards and laws may all be required.


The final inspection and approval of the fit-out by the tenant occurs during the handover stage. Testing and commissioning systems, resolving any flaws, and giving user training and instructions are all examples of what this entails.

rip out and construction works The Range
Early stages of complete strip out, construction works and full fit out we did for The Range Stockport, previously Toys R Us.

Important Fit Out Considerations

When organising a fit-out project in the UK, tenants and building owners should keep the following factors in mind in order to ensure the success of the project:-


The budget is the first and most essential consideration when planning a fit-out project. The budget you have will ultimately determine the scope of work, materials used, and general quality of the finished result. Establishing a realistic budget and working with a design and building team to ensure the project remains within budget is critical.


A fit-out project’s timeline is also essential to consider. Depending on the scale and intricacy of the project, completion time can range from a few months to a year or more. It’s critical to plan ahead of time and leave enough time for each step of the process, from design and planning to building and installation.


In modern building fit-outs, sustainability is becoming an increasingly essential factor. Fit-out projects can help lower a building’s carbon footprint and improve its overall sustainability by using environmentally friendly supplies and integrating energy-efficient systems and technologies.

Building regulations

Compliance with building codes and regulations is another important factor to consider in a fit-out project. It’s important to work with a design and construction team that is familiar with the relevant regulations and can ensure the project meets all necessary requirements.


Finally, flexibility is an essential factor to consider when planning a fit-out project. The building must be able to adapt and handle variations in company requirements and needs, such as staffing and technology, as they occur. Fit-out projects can ensure that the building stays useful and relevant for years to come by adding flexible design elements and modular systems. 


A well-designed fit-out can turn an ordinary space into a useful and appealing workplace that meets the requirements of its occupants.

UK tenants and building owners can ensure the success of their fit-out initiatives by following a structured strategy and considering key factors such as budget, timeline, sustainability, compliance, and flexibility.

Investing in a fit-out can have significant advantages for your company, whether you are a tiny startup or a big corporation.

Building Fit-Out UK – FAQ’s

1. What is the cost of a fit-out project in the UK?

The cost of a retail fit-out in the UK can differ greatly based on a variety of variables, including the size and location of the space, the degree of personalisation needed, the materials and finishes selected, and the design intricacy.

Typical cost associated with retail fit-out varies from £500 to £4,000 per square metre in the UK, according to a study performed by the Royal Institution of Chartered Surveyors (RICS), with the average cost being around £1,500 per square metre. However, keep in mind that this is only an estimate and that real prices may vary considerably based on the project’s particular requirements.

Working with an experienced fit-out contractor such as Freemont Building who can provide a comprehensive quote based on your particular requirements and funding is suggested. They can also assist you in identifying cost-cutting measures that do not jeopardise the final product’s standard.

2. How long does it take to complete a fit-out project?

Depending on the size and complexity of the job, fit-out projects can take anywhere from a few months to a year or more to finish. It is critical to prepare ahead of time and give enough time for each stage of the procedure.

3. Can a fit-out project be sustainable?

Yes, by using environmentally friendly materials and integrating energy-efficient systems and technologies, a fit-out project can be planned with sustainability in mind.

4. What are the advantages of having a Category A fit-out?

Without requiring further customisation, a Category A fit-out can provide tenants with an acceptable level of comfort and practicality, such as suspended ceilings, raised floors, and interior partitions.

5. Is it possible to complete a fit-out job on a limited budget?

Yes, by prioritising important aspects and working with a design and construction team to discover cost-effective solutions, a fit-outs can be accomplished on a tight budget.

6. What is the difference between interior design and fit out?

Personal preferences and tastes provide the basis for interior design. A fit out, on the other hand, is about making the area liveable or useful by adding practical elements and mechanisms, based on whether the fit out is category A or B.

Need Help With Retails Fit-Outs in the UK?

If you require any assistance with the design and build of your brand new retail store, or need help with the re-design or refurbishment of an existing space, then we can come to the rescue with our retail store design, build and fit-out service.

We provide the complete package for your convenience including retail store interior design, project management, build and fit out, together with the provision and installation of furniture, lighting, air conditioning systems and equipment.

Get in touch and we’ll be very happy to talk you through the services we provide and offer our advice and expertise on retail store fit out.

Call us for a chat on 0161 503 9075, or use our contact form to email us.  If you’d like to see what some of our customers have to say about our services, then you can read our reviews on Google.

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