The most common interior mistake we see in UK homes isn't the wrong lamp — it's the right lamp at the wrong size. A beautiful table lamp at the wrong proportion will fight its surroundings instead of completing them. The good news is that the rules for getting it right are simple, and once you know them you'll never buy badly again.
The single most useful rule
For most situations, the bottom of the lampshade should sit roughly at eye level when you're seated in the chair, bed or sofa near the lamp. Higher than that and the bulb glares into your eyes; lower and the light pools too tightly on the surface.
Eye level seated for an average adult is around 100–110cm from the floor. Add the height of the surface the lamp sits on, and you get a rough total lamp height.
Table lamp sizing by location
Bedside table lamps
The most common location, and the easiest to get wrong. A typical bedside table sits 55–65cm above the floor; a bed mattress sits 50–60cm above the floor; your shoulders when sitting up against pillows are around 100–110cm above the floor.
That means the total bedside lamp height should be 40–55cm. Smaller is fine on a slim bedside; anything taller than 55cm and the lamp dominates the surface.
Shade diameter for bedside: 25–35cm. Wide enough to spread soft light across the bed; narrow enough not to overhang the bedside.
Antia Stem Table Lamp
£45.99
Console table lamps
Consoles sit higher (75–85cm) and are typically used in entryways or behind sofas. A console lamp acts as a focal point and welcomes guests — it can be taller and more sculptural than a bedside lamp.
Total console lamp height: 55–75cm. Shade diameter: 30–40cm. Two lamps in matching pairs flanking a console look more considered than a single lamp; the symmetry is forgiving and easy.
Leptis Magna Table Lamp
£81.99
Sideboard or sofa-table lamps
Living room sideboards are typically 75–90cm tall. A sideboard lamp lights the room and adds visual rhythm — particularly when paired with a vase and a stack of books.
Total sideboard lamp height: 55–80cm. Shade diameter: 35–45cm. Choose the upper end of the range if the sideboard is wide; the smaller end if narrow.
Tuscan Grey Ceramic Lamp
£153.99
Side table lamps (beside a sofa)
Side tables vary wildly (35–60cm tall), so size the lamp to make total height (table + lamp) sit at 110–125cm — that's the right level to read by when seated on a sofa.
If your side table is 45cm tall, you need a 65–80cm lamp. If your side table is 60cm tall, you need a 50–65cm lamp. Measure first, then buy.
Width matters too
A common error: choosing a lamp at the right height but the wrong width. The shade and surface need to relate proportionally.
Rule of thumb: shade diameter should be roughly two-thirds the width of the surface the lamp sits on. A 30cm-wide bedside takes a 20cm shade. A 60cm console takes a 40cm shade. Wider than that and the lamp visually crowds the surface.
The shade should also be wider than the lamp base — typically 1.5× to 2× wider. A 10cm base needs a 20cm shade minimum. A 15cm base needs a 25cm shade.
Bulbs and light temperature
Even the perfectly-sized lamp can ruin a room with the wrong bulb. The rules:
- Always 2700K warm white. Anything cooler (3500K+) reads as office or hospital. 2700K is the Scandi standard.
- 6–9W LED, E27 fitting. Plenty for ambient light. Higher wattage gives glare; lower can read as gloomy.
- Dimmable if at all possible. Pair with a compatible dimmer switch on the wall. Lets you tune the room by time of day.
- Edison-style bulbs only when the bulb is visible. A frosted shade hides the bulb shape — Edison is wasted there. Use Edison with clear glass shades only.
Lamp shapes by room style
The shape of the base is at least as important as size. Different shapes suit different rooms:
Wood / linen — for warm Scandi homes
Turned wood bases with linen drum shades are the most versatile. Warm without being heavy. Suits cream linen sofas, oak furniture, neutral palettes.
Capsa Column Table Lamp
Incia Column Table Lamp
Teos Table Lamp
Lentia Urn Table Lamp
Stone / ceramic — for Japandi or wabi-sabi homes
Heavier, more sculptural, naturally varied. Reads as art object. Anchors a room with weight rather than warmth.
Tall Tuscan Grey Ceramic Lamp
Darcy Fluted Ceramic Lamp
Twill Weave Ceramic Table Lamp
Black metal — for modern or industrial rooms
Punctuates a lighter room. Use sparingly — one black lamp in an otherwise neutral room is often more impactful than three.
Black Knot Table Lamp
£111.99
Pairing lamps
Two identical lamps on either side of a bed, console or sideboard is one of the easiest design moves. Symmetry is forgiving, photographs well, and reads as deliberate.
Three lamps in a row works for very long consoles or sideboards (1.8m+) but needs more confidence. Two is the safe number.
When pairing, both lamps should be identical — same base, same shade, same height. Mixing similar-but-different lamps reads as half-considered.
What to avoid
Touch lamps and integrated switches at the wrong height
Cable-mounted dimmer switches dangling at calf level are an unflattering detail. Touch lamps that turn on when you brush them are useful but limit shade choice. Best is a clean cable with a separate dimmer at the wall.
Overpowering the room with too many lamps
Three lamps in a small bedroom is too many. Two lamps in a medium living room plus an overhead pendant is usually right. More on layering lighting here.
Bargain lamps that won't last
Mass-market lamps below £40 are usually plastic-bodied with poor wiring. Better to spend £60 on a hand-finished lamp that will last fifteen years. Browse our table lamps for considered options.
Wrong cable colour
A black cable on a cream wall draws the eye to the wrong place. Match the cable colour to the wall where you can — many of our lamps come with neutral or fabric-wrapped cords.
Common questions
How tall should my bedside lamp be?
40–55cm total height for a standard bedside table at 55–65cm tall. The bottom of the shade should sit at eye level when you're sitting up in bed.
What size shade for a console lamp?
30–40cm diameter for a typical console table. The shade should be roughly two-thirds the width of the console.
One lamp or a pair?
Pairs are easier to get right and read as more considered. A single lamp works when it's a clear statement piece — usually larger or more sculptural than half of a pair would be.
What wattage LED for a table lamp?
6–9W LED is plenty for ambient light. 2700K warm white. Dimmable where possible.
Are ceramic lamps better than wood?
Neither is "better" — they suit different rooms. Wood and linen lamps suit warmer, more Scandi-leaning rooms. Ceramic and stone lamps suit Japandi and wabi-sabi rooms with more negative space.
Does the lamp shade really need replacing if it's a different shape?
Yes — the shade defines the personality of the lamp. A linen drum casts diffused warm light; a paper pleated shade adds texture; a metal cage casts focused downlight. The same base under different shades is essentially a different lamp.
Once you have the sizing right, the rest is taste. Browse our full table lamp collection — every piece is chosen with these proportions in mind.
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