The right computer desk for an alcove is one that is slightly narrower than the narrowest point of the alcove, usually by 2 to 4cm in total, and no deeper than the chimney breast projection unless you are happy for it to stand forward. For laptop work, a depth of around 45 to 50cm is comfortable. For a monitor, aim for 55 to 60cm if the alcove allows.
That is the short answer. The longer one depends on careful measuring, because alcoves in UK homes vary considerably and walls are rarely truly square. Once you have your numbers, our range of computer desks UK homeowners choose for alcoves includes compact widths and shallow depths that suit recessed spaces, and our broader modern office furniture UK collection covers the chairs and storage to complete the setup.
Many Victorian and Edwardian terraces, as well as plenty of later homes, have a chimney breast with an alcove on each side. These recesses are often underused, holding a lamp or a stack of books. Turned into a desk space, they create a defined work area that sits out of the main traffic of the room.
The side walls also help. They frame the desk visually, so the workspace feels contained, and they make it easier to fit shelving above. At the end of the day, the desk feels tucked away rather than sitting in the middle of the room.
Measure the width of the alcove from wall to wall at three heights: just above the skirting, at desk height of around 74cm, and at roughly 120cm where shelving might go. Older walls are frequently out of true, and the difference between top and bottom can be noticeable. Use the smallest measurement as your working width.
Measure from the back wall to the front face of the chimney breast. This is the depth at which a desk will sit flush. A desk can be deeper than this, but it will then project into the room. Decide early whether you want a flush look or are happy with a little overhang.
Skirting boards reduce usable width at floor level and push a freestanding desk away from the back wall. Measure their depth and height. If the desk has solid side panels, they may need to clear the skirting. Desks with legs set slightly in from the edge often sit more neatly.
Mark the position of any sockets, radiators, light switches and cable outlets. A socket hidden behind a desk panel is frustrating, and a radiator below a desk can make the space uncomfortable and dry out wood finishes.
Check whether the floor slopes, which is common in older homes. A spirit level will show this quickly. Adjustable feet or levelling pads deal with small variations.
Finally, note anything that opens or passes near the alcove. A door that swings close to the chimney breast, a window shutter or a busy route through the room can all affect how far a desk and chair can project. Write every measurement down on a simple sketch of the room, so you can check desks against it rather than relying on memory.
For a freestanding desk, subtract 1 to 2cm each side from your smallest width measurement. This allows the desk to slide in without scraping the walls and accounts for any bowing. If the gap left is wider than you would like, a narrow strip of wall either side rarely looks out of place.
As a rough guide to usable widths:
Many chimney breasts project between around 30 and 50cm, though this varies considerably. If your alcove is shallow, a flush desk may only suit a laptop. In that case, consider allowing the desk to stand a little forward of the chimney breast. Most people find a modest overhang is barely noticeable once the desk is in use.
Standard desk heights of around 72 to 76cm suit most adults. In an alcove, height also affects how the desk relates to shelving above and any window nearby. Leave enough space above the desk for a monitor and a lamp before the first shelf.
A freestanding desk is the simplest option and moves with you if you change homes. Choose one with slim legs or a light frame so it does not look wedged into the recess. This is usually the most practical choice for renters.
A worktop cut to size and supported on battens fixed to the side walls gives a seamless, built in look. It uses every centimetre of width and leaves the floor clear. This option suits homeowners who want a permanent workspace, though it involves more work and is harder to change later.
A wall mounted or floating desk fixed to the back wall offers a halfway house. It keeps the floor clear, which helps a small room feel more open, and some designs fold away when not in use. Check the wall construction before fitting.
An alcove limits the space either side of the chair, so armrests can become a problem. Measure the chair width including the arms and check it fits between the side walls with room to spare. A chair that tucks fully beneath the desk keeps the room tidy. Our office chairs UK range includes compact designs without bulky arms that suit narrow spaces.
Allow at least 70 to 90cm behind the desk so you can pull the chair out and stand comfortably. In a busy living room, think about whether the chair will block a walkway when in use.
Alcove desks and shelves belong together. Shelves fixed to the side walls or the back wall make use of vertical space and keep the desk surface clear. Leave enough height above the desk for your screen and a lamp, then space shelves to suit the books and boxes you plan to store.
If fixing shelves is not possible, a slim freestanding unit can sit in the opposite alcove to balance the room. Our modern shelving units UK sale collection includes designs that work alongside alcove desks.
Alcoves can be darker than the rest of the room because the side walls block light. A desk lamp is essential, and a wall light or slim LED strip beneath the lowest shelf can brighten the surface without taking up space. If the alcove sits beside a window, you will benefit from side lighting that falls across the desk rather than onto the screen.
Painting the back wall of the alcove in a slightly deeper shade than the rest of the room can make the desk area feel deliberate. Matching the desk finish to shelving or other furniture helps it feel built in, even if it is freestanding. Keeping the surface clear and storing chargers and paperwork in a drawer or box ensures the alcove still looks tidy when you are not working.
If you would like a more detailed walk through of measuring for furniture, many of the same principles apply in our guide to measuring a UK room for an oak TV unit. For more ideas on blending a workspace into a shared room, see our guide to living room desks for UK homeworkers.
When you have your measurements to hand, explore our home office range at Furniture in Fashion to find a desk that suits your alcove.
For a freestanding desk, around 1 to 2cm each side is usually enough. It allows the desk to slide in easily and compensates for walls that are not quite straight.
Let the desk stand slightly forward of the chimney breast, use a monitor arm fixed to the back wall, or work on a laptop with a stand to make the most of the available depth.
A fitted top uses every centimetre and looks built in, which suits homeowners. A freestanding desk is easier to move and change, which suits renters and anyone who may reorganise later.
It is possible, but leave space for heat to circulate and avoid placing a wooden desk directly above the radiator, as continual heat can dry out the finish.
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