Lampshade Fittings & Lightbulb Guide
UK & EU Lamp Compatibility​
All Berry & Grouse lampshades are designed to work with both UK and EU lamp fittings.
Quick Lampshade Fitting Guide
• UK lamps – use reducer ring with a opening size 29mm
• EU lamps – remove reducer ring for a fitting opening size 40mm
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The reducer ring simply pops out of the fitting ring to increase the opening size.
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Position fitting:
• Table lamps – fitting at bottom
• Ceiling lights – fitting at top
The fitting sits around 40 mm inside the shade
DUPLEX FRAME LAMPSHADES - ​Empire & Conical Shapes
Our Empire and Conical lampshades are typically made using a Duplex frame, which offers flexible fitting options depending on how you plan to use the shade.
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For table or floor lamps
• Use the carrier ring supplied with your lampshade.
For ceiling pendant lights
• Use a spider fitting, which we supply based on your order specifications.
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These shapes can also be made with a standard frame if required. However, with a standard frame the fitting sits approximately 40 mm inside the lampshade. Depending on your lamp base, this may mean that the lamp fitting or bulb holder is visible beneath the shade.
If you need your lampshade to sit higher or lower than the standard position, please contact us. We’re happy to recommend alternative carrier fittings to suit your lamp base.
Illustration of a conical lampshade on a duplex frame with shade carrier for table lamp
USA LAMPSHADE FITTING
For USA Harp/Finial fittings you will require a Duplex Converting Kit to connect your lampshade to the top of the light fitting.
The Duplex Converting Kit is a three part system comprising of:
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Spider Fitting - Lamp Shade Duplex Adaptor
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E27/E26 to B22/E14 Lampshade Reducer / Converter Adapter
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Converting Washers – with a 110mm centre hole
(Fits standard 1/4" and 3/8" harp stems)
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Conversion chart with imperial and metric measurements:
Inches Metric
1/4" 6.35 mm
5/16" 7.95 mm
3/8" 9.53 mm
Our system works with these sizes.
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Example of the converting washers used in Harp & Finial Fittings (fits standard 1/4" and 3/8" harp stems).
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CANDLE CLIP LAMPSHADES - Ideal for Chandeliers & Wall Lights
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Our candle clip lampshades are designed to clip directly onto candle-shaped bulbs (E14), making them ideal for wall sconces, chandeliers, and smaller table lamps.
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Fitting details
• Internal metal clip fitting
• Size: 5.1 cm / 2"
These shades sit securely on the bulb itself, creating a neat and elegant finish for decorative lighting.
Light Bulb Watts and Lumens
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Recommended: LED or energy-saving bulbs
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Maximum: 60 watts for regular bulbs (40watts for lampshades under 20cm diameter)
💡 Lighting Tip: Wattage indicates energy use, while lumens measure brightness. Choose a bulb with a higher lumen rating for a brighter glow.
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Revamp your lighting and add a warm glow to your home with the perfect lampshade fitting as featured in:
Smart bulb - 'Revamp lighting to glow up your home' - BBC Morning Live Article.
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fabric & light transmission
How Fabric Affects the Light
Different lampshade fabrics influence how much light passes through the shade and the overall atmosphere in a room.
Lightweight fabrics (e.g. linen, fine cotton)
• Allow more light to pass through
• Create brighter, more diffused lighting
Heavier fabrics (e.g. wool, thick cotton)
• Reduce the amount of light transmitted
• Produce a softer, more ambient glow
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When choosing a lampshade fabric, consider whether you would prefer brighter illumination or softer mood lighting, depending on the atmosphere you want to create in your space.