To check whether a white TV unit will fit your room, you need four measurements: the width of the wall or alcove, the depth you can spare without blocking a walkway, the height that suits your seated eye level, and the width of your television. As a rule of thumb, choose a unit that is wider than the TV screen, leaves at least 60 to 90 cm of clear walking space in front, and sits low enough that the middle of the screen lands near your eye line from the sofa.
Once you have those numbers, narrowing down our modern TV units UK range becomes much quicker, and it also helps when you are choosing coordinating pieces from our wider modern living room furniture UK sale collection. This guide takes you through each measurement in turn, with a few checks that are easy to miss in real British homes, from awkward chimney breasts to radiators that sit exactly where you wanted the unit to go.
White furniture is wonderfully forgiving in terms of style. It brightens north facing rooms, works with almost any colour scheme and makes compact spaces feel less crowded. The flip side is that white draws the eye to its outline. A unit that is too big for its wall looks bulky, and one that is too small looks lost against a pale backdrop.
That makes accurate measuring especially valuable. When the proportions are right, a white unit tends to blend gracefully into the room. When they are wrong, it is often the first thing visitors notice.
You do not need specialist equipment. A metal tape measure, a notepad or phone, and a roll of masking tape will cover everything. A second person makes measuring long walls easier, but it is not essential.
Write every figure down in centimetres, since most furniture dimensions in the UK are listed that way. Measuring in one unit throughout avoids the small conversion errors that can lead to a unit that is almost, but not quite, the right size.
Measure the full width of the wall where the unit will stand, then look for anything that reduces the usable space. Common obstacles include:
Subtract anything that intrudes, and you have your true maximum width. It is usually wise to leave a small gap at each end rather than pushing the unit tight to a corner or door frame, as this looks more intentional and makes cleaning easier.
If you are fitting a unit into an alcove beside a chimney breast, measure the alcove width at floor level and again at unit height. Walls in older houses are rarely perfectly straight, and the narrowest point is the one that counts.
Depth is where many purchases go wrong. A unit that looks slim online can feel surprisingly deep once it is in a narrow terraced living room. Measure from the wall to the front of your sofa, then work out how much depth you can give the unit while still leaving a comfortable path through the room.
A clear walkway of around 60 cm is a sensible minimum, and closer to 90 cm feels more generous in a room people pass through regularly. If the room also serves as a route to the kitchen or garden, allow a little more.
Consider what you will put inside the unit, too. A games console, soundbar or set top box needs enough depth to sit flat with cables at the back. It is worth measuring your largest device before choosing a very shallow design.
The height of the unit determines where your screen will sit. Sit on your sofa in your normal viewing position and ask someone to measure from the floor to your eye level. Then consider the height of the TV stand or feet and the size of the screen itself.
The aim is to have the centre of the screen close to your seated eye level, or very slightly below it. Many modern sofas sit fairly low, which is one reason low TV units have become so common in recent years.
If your TV will be wall mounted rather than standing on the unit, the unit height becomes more about proportion and storage than viewing angle. In that case, keep the unit low and let the wall above breathe.
TV sizes are quoted as diagonal measurements in inches, which does not tell you how wide the screen actually is. Check the manufacturer's specifications for the true width of the TV including its frame, and the width between the feet if it stands on legs rather than a central pedestal.
This second figure is important. Many modern televisions have feet near the outer edges, so the unit top must be at least that wide for the TV to sit securely. A unit that is noticeably wider than the screen looks balanced and gives space for a lamp or plant at one end.
Before ordering, mark the outline of the unit on the floor and wall with masking tape. It is a simple step, but it reveals a lot. You will see whether the unit crowds a door, blocks a socket or sits awkwardly against the fireplace.
Leave the tape in place for a day or two and live with it. Walk through the room as you normally would, open doors and draw curtains. If anything feels tight, adjust the dimensions before you commit rather than after delivery.
Long, shallow units work best here. Choose a low profile design that runs along the longest wall or fills the chimney breast wall, and keep depth modest so the walkway stays open.
These rooms can leave very little uninterrupted wall. A corner position often solves the problem, and our corner TV stands UK homeowners choose are designed to tuck neatly into the angle without eating into floor space.
In open plan layouts, the TV unit often helps define the lounge area. You may have more width to play with, so a longer unit with a mix of open and closed storage can anchor the zone. If you want storage around and above the screen as well, our modern entertainment units UK collection offers wall style configurations that frame the television.
If you are tempted to place the unit in a bay, remember that screens facing directly into daylight suffer from glare, while those with their back to the window can be hard to see during bright afternoons. A side wall is usually the more comfortable choice.
It is easy to focus on the room and forget the journey the unit must make to get there. Measure the width of your front door, hallway, any tight turns on the stairs and the living room doorway. For flats, check the lift dimensions and any communal door widths too.
Compare these figures with the packaged or assembled dimensions of the unit. Most larger pieces arrive flat packed or in sections, but it is still sensible to check, particularly for long units heading up a narrow staircase.
Once the dimensions are settled, think about how the white unit relates to your other furniture. A unit that lines up visually with a coffee table, sideboard or shelving looks cohesive. If you are still deciding on height, our guide on whether a low TV unit suits your UK home goes into the pros and cons in more detail.
Consider the shade of white, too. Brilliant white high gloss has a crisp, contemporary feel, while softer matt whites and off whites sit more comfortably alongside natural wood floors and warm textiles. Holding a sample or photo against your wall and flooring helps you choose.
For inspiration on dressing the unit once it arrives, take a look at our ideas for styling white TV units in UK homes, which covers accessories, artwork and colour pairings.
With those numbers written down, you can shop with confidence. Browse modern white and high gloss designs at Furniture in Fashion, where we offer free delivery to most UK mainland postcodes. Returns are available up to 30 days.
A unit that is noticeably wider than the screen looks balanced and gives space for accessories. At the very least, the top must be wider than the distance between your TV's feet so it sits securely.
A shallow unit keeps walkways clear in a compact room. Just make sure it is deep enough for your largest device, such as a soundbar or console, with space behind for cables.
It is best avoided. Furniture in front of a radiator blocks heat from circulating and can expose the finish to prolonged warmth. Choose another wall or leave a generous gap if there is no alternative.
Yes, particularly in older homes. Walls and alcoves are often slightly uneven, so measure at floor level and at unit height and work with the narrowest figure.
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