Office Desk Size Guide: Width, Depth and Layout Planning

Choosing an office desk is not simply a matter of finding a top that fits against a wall. The desk must hold the equipment used every day, leave adequate legroom and work within the wider room layout. A desk that is too small can feel crowded, while an oversized desk may reduce circulation space or limit the number of usable workstations.

This office desk size guide explains how to compare width, depth, height and shape before ordering furniture for a home office, team area or larger workplace.

Measure the room before choosing a desk

Record the room's full width and length, then note doors, windows, radiators, columns, sockets and fixed cupboards. Mark the direction in which doors open and allow for chair movement rather than measuring only the desktop footprint.

In a shared office, also identify the main routes between workstations, exits, meeting areas and storage. A simple scaled floor plan can reveal whether a proposed layout leaves practical space for people to pass, drawers to open and chairs to move.

What desk width do you need?

Desk width is the left-to-right measurement of the work surface. Common office desk widths include approximately 1,200 mm, 1,400 mm and 1,600 mm, although individual products vary. The right width depends on the equipment and tasks rather than the size label alone.

• Compact laptop work: a smaller desk may be suitable when paperwork and accessories are limited.
• Single-screen work: allow room for the screen, keyboard, mouse, telephone and items used regularly.
• Two-screen or document-heavy work: a wider top usually makes it easier to position equipment without crowding the user.
• Shared or specialist tasks: measure every item that must remain on the desk and add working space around it.

Browse rectangular office desks to compare straightforward workstation sizes. Always check the dimensions on the individual product page, because ranges with a similar appearance may be available in several widths.

How much desk depth is practical?

Desk depth is the front-to-back measurement. It affects screen position, usable working area and the amount of floor space occupied. Many commercial workstations use deeper tops than compact home-office desks, but the correct choice depends on the screen setup and room.

Check the screen base or monitor arm, keyboard, paperwork and any equipment positioned behind them. The user should not have to push the keyboard to the very front edge or place the screen uncomfortably close simply because the desk is too shallow. If space is tight, compare slimline desks, but confirm that the reduced depth still suits the intended equipment.

Check desk height and clear legroom

Overall desk height is only part of the picture. Look underneath the top and check the clear space between legs, support rails, cable trays, pedestals and modesty panels. A desk may fit the room while still restricting the user's knees or preventing a chair from moving into a comfortable position.

For greater height flexibility, compare sit-stand desks. Check each model's adjustment range, desktop size and lifting specification against the intended user and equipment. A height-adjustable desk still needs sufficient space around it and appropriate cable management.

Choose a desk shape that matches the work pattern

• Rectangular desks are flexible for single workstations, facing layouts and grouped teams.
• L-shaped desks provide a return surface for paperwork, equipment or task separation.
• Sit-stand desks allow users to vary the working height during the day.
• Office desks and tables provide a broader view of workstation, meeting and team options.

For corner desks, confirm whether the return is left-handed, right-handed or reversible. Measure both sections and check that the corner orientation works with doors, windows and power points.

Plan space for chairs, storage and cables

Measure the office chair at its widest point, including the arms and base. Check whether it can move under the desk and whether under-desk storage reduces that space. A pedestal may be positioned beside or beneath the desk, but its drawers must be able to open without blocking a walkway.

Plan how power and data cables will reach the workstation. Cable ports, trays and monitor arms can improve organisation, but they also occupy space and may affect the position of screens or modesty panels.

Desk layout checklist

• Measure the room and draw fixed obstacles.
• List every item that must sit on or beneath the desk.
• Compare the exact width, depth and height of shortlisted products.
• Allow for chair movement, drawer opening and everyday access.
• Check left- or right-hand orientation on corner desks.
• Confirm cable routes and access to sockets.
• Use consistent ranges and finishes if more workstations may be added later.

Find the right office desk size

Start with the room, equipment and users, then compare desk dimensions rather than choosing by appearance alone. Explore all office desks and tables, or request a quote when planning several workstations.

Free UK delivery is available across much of the range. Check the product page and our delivery information for current lead times and any location or product-specific conditions.