Scope: UK-wide design considerations. Practical considerations to adapt to your own home and circumstances.
Define the working day
List the activities the space must support: focused writing, calls, two monitors, paper work or occasional meetings. Note when noise or privacy matters. A desk that suits occasional administration may not support a full working week. Decide whether the space is permanent or must share its role with dining, guests or family life.
Place the desk before buying storage
Try several positions using existing furniture. Watch for screen glare, a distracting view behind video calls and conflict with doors or walkways. Check the actual availability of power and connectivity. Keep cables away from circulation routes and ask a qualified professional about any electrical alterations.
Think about comfort as an arrangement
Choose a seat, work surface and screen position that can be adjusted to the person using them. Leave enough space to change posture and move the chair. Lighting should support the task without reflecting into the screen. A beautiful chair is not automatically suitable for long periods of work.
Design the end of the day
In a shared room, give equipment and papers a place to go. A shallow cupboard, drawer or mobile unit may be more useful than open shelving that leaves work permanently in view. Keep the closing-down routine short enough that you will use it.
Test before making it permanent
Work in the proposed location for several days if possible. Note interruptions, missing surfaces and the objects that collect around you. Solve those specific problems before ordering built-in furniture. If the home is rented, leasehold or used for a business involving visitors, check relevant permissions and restrictions rather than assuming a domestic desk covers every situation.