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When it comes to construction and architectural design, the industry can be a minefield of jargon and phrases that can often be confusing to anyone other than the experts. One of the most common culprits is the term “fit-out”. In construction, this term refers to the tasks that must be carried out to make a commercial space suitable for occupation and is usually the responsibility of the tenant. 

In the UK, the definition of fit-outs is covered by Building Regulations – more specifically, Document L. As per the document, any fit-out work, whether construction or architectural, is defined as “work needed to be carried out to complete the internal layout and servicing of the building shell, to meet the specific needs of an incoming occupier”. 

The difference between construction and architecture comes when you look more specifically at the type of fit-out required and usually cover structural concerns in common areas such as the lobby, lift shafts, toilets, staircases, basements, and loading bays. The one thing that all fit-outs share, however, is the importance of design, not only from a functional point of view, but also to ensure the structural safety of the build – which is why fit-out projects often require service providers like The CAD Room, to work in conjunction with the developers, construction teams, or architects. 

Architectural fit-outs can then be further divided into two subcategories: category A fit-outs and category B fit-outs. To put it succinctly, Category A fit-outs result in a fully-functional but empty space. Category B fit-outs, on the other hand, involve fully tailoring the area to the needs of the occupant right down to smallest details, including custom work and branding. Of course, that is taking a straightforward approach to differentiating between the two categories. Read on for a more in-depth look at what is involved with both builds.

What is a Category A Fit-Out? 

Although there is no standard definition of what constitutes as a Category A fit-out, generally speaking, it means that interior space will have the most basic of finishes. It will often be commissioned by the building owner directly, rather than a tenant, and covers only the necessary mechanical and electrical services, along with finished internal walls, toilets, air condition systems, and essential fire detection. Category A fit-outs are ideal for landlords who do not yet have a specific tenant in mind as space is essentially a blank slate, making it easy to market.

What is a Category B Fit-Out?

As we have already briefly touched upon, Category B fit-outs go far further than Category A ones. An architect will work with the tenants to realize everything from custom internal spaces and rooms, right down to choosing the lighting, branded touches, and even the art that ends up on the walls! If Category A fit-outs are a one-size-fits-all choice, Category B fit-outs are the architectural equivalent of a tailored suit. They are the result of a close partnership between the tenant and their contractors, resulting in a space that is not only functional but meets the needs of the client in every way imaginable. Along with everything included in a Category A fit-out, Category B fit-outs also cover branding and decor, customized lighting, furniture, kitchen areas, and custom partitions.

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