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Any area that is empty but ready to be utilised needs a fit-out. A CAT A fit-out offers a basic level of finish. It includes raised floors, suspended ceilings, interior surfaces, and fundamental mechanical and electrical utilities. These are all included in this fit out. CAT A spaces have the floor and walls, they are often finished to an industrial standard, which makes them relatively simple. We will discuss both CAT a and CAT B fitouts.

With CAT B fit outs, every detail of the space is customizable as per the need. That depends on the commercial interior designer or user. From unique features to branded finishes—even the flowers at the front desk. You can move right into a workspace with a CAT B fit-out.

What is CAT A, CAT A Plus, CAT B, and CAT C?


An interior space’s foundational finishing is called a CAT A fit-out. This kind of fit-out involves installing a building’s mechanical and electrical systems. Business owners are the ones to order it typically. The features of a CAT A project include finished inside walls, lift lobbies, etc.

Category A area will be empty aside from the bare necessities for operation. That makes it simple to attract occupants who wish to design their own space. These spaces are the blank slate of the design and construction industries.

CAT A Plus (A +)

CAT A+ has advantages for the owner and potential tenant. That is mutually beneficial. It also changes the way procurement happens for commercial offices. All the components of a CAT A project are present in a CAT A+ project. It also has some modest CAT B fit-out characteristics.

The finished product has a “ready to work” concept. That makes it an appealing offer for renters who could move in immediately and begin their activities. Many micro/small businesses and start-ups benefit from this. That is because they can put a little of their brand’s personality into an office that is already up and running.


Following a CAT A fit-out, CAT B projects typically include much more finesse and detail. Partitions, breakout areas, tea stations, furniture. A CAT B fit-out includes graphic elements, branding, air conditioning, etc. Using CAT B, it is doable to transform a space into a setting that inspires employees.

It embraces well-being and enables a motivated and engaged staff, which is a traditionally planned office that is fitted up for the client.


With CAT A, you can expect to discover the standard level of finish in an unfurnished office space. While the essentials will be installed, it is up to the tenant to furnish and decorate the empty canvas. CAT A typically includes:

  1. Sockets and enough lightning
  2. Smoke alarms, ventilation, and air conditioning
  3. Elevated floors and suspended ceilings
  4. Internal wall finishes that are minimal

Whereas an area that has shared restrooms and lifts. Along with basic flooring, ceilings, M&E services, and external walls are subject to a Category B fit out. It is like moving into a house. That leads to furnishing it with the flooring and lighting of your choice. CAT B typically includes:

  1. Materials and branding
  2. Flooring.
  3. Conference rooms, breakout rooms, and meeting rooms.
  4. The waiting room.
  5. Lighting.
  6. A kitchen area.
  7. IT and audiovisual gear
  8. Workplace equipment

What is a CAT A refurbishment?

When a business facility is refurbished, CAT A is the most basic fit-out that takes place. Since only necessary repairs and construction are made during this phase, it is frequently referred to as the “empty shell” phase. These activities do not improve appearance, functionality, or usability. Another name that is commonly used for CAT A is Landlord fit-out.

Office fit-outs

CAT A Office fit out

This is the kind of fit-out that landlords typically order. It involves installing a building’s mechanical and electrical systems. The extra features of a CAT A project are inside walls, reception spaces, and lift lobbies.

It can have raised metal floors, painted perimeter walls, and a grid ceiling with fitted lighting. If you’re moving from one setting to another, you’ll have most of the furniture. A CAT fit-out might be the most suitable in this situation.

CAT B Office fit out

Following CAT A fit-out, CAT B fit-out shapes interior spaces. By doing anything from creating separate rooms to picking the wall art. Floor plans come to life, and finishing and branding are infused throughout the space. This gives clients a finished product that is uniquely theirs.

These fit-outs include the elements necessary to make a room functional. However, they also offer the chance to highlight an occupant’s business. CAT B projects are excellent for clients who want a place personalised. It can be according to their business plan and specifications.

Difference between a CAT A and CAT B office fit-out

Most people are aware of CAT B commercial fit-outs. That is unquestionably something that everyone can connect to. In general, CAT B fit-outs are significantly more equipped than CAT A fit-outs.

In general, CAT A fit-outs will give you minimal necessities. CAT B fit-outs offer a more individualised solution. That will represent the essence of your business. The fitting of the building is added as CAT B advances the situation.

Office fit-out costs per square metre

Office fit-out costs per square metre are frequently used as a standard. The pricing for a low- to medium-spec CAT a and CAT B fitouts ranges from £160 per square metre to £535+ per square metre.

Contact us to arrange any Category of office fit-out

We are office design, refurbishment, and fit-out specialists with years of industry expertise. See how we can assist you with your upcoming project by sending us an email or giving us a call.

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We provide a project management service offering full turnkey installation of office and factory fit-outs, and a complete design and build service.

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