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Sizing Chart

Rocke - Cotterell & Co

Our Shade Sizes

Every shape and size we make - at a glance.

All dimensions in centimetres. 

Use this guide to find your shape and check available sizes before ordering. For tapered shades the bottom diameter is listed first. If you're not sure which size suits your lamp, bring the base into either showroom or send us a photo.

Drum

Equal diameter top and bottom. From compact bedside shades to large statement pendants.

Diameter Height
18cm 13cm or 20cm
20cm 18cm
25cm 19cm
30cm 20.5cm
35cm 23cm
40cm 27cm
45cm 29.5cm
50cm 31cm or 40cm
55cm 31cm or 40cm
60cm 32cm
70cm 32cm
80cm 32cm
100cm 36cm
Shallow

Wide, low-profile drum. Can be lined with wallpaper for an extra special statement.

Diameter Height
30cm 18cm
35cm 20cm
40cm 21cm
45cm 23cm
50cm 25cm
55cm 25cm
60cm 25cm
70cm 25cm
80cm 26cm
100cm 26cm
Deep Drum

Height equals diameter - dramatic, equal-proportion shades.

Diameter Height
25cm 25cm
30cm 30cm
35cm 35cm
40cm 40cm
45cm 45cm
50cm 50cm
55cm 55cm
Cylinder & Deep Cylinder

Straight sides, taller than wide. Architectural and striking.

Shape Diameter Height
Cylinder 20cm 30cm
Cylinder 25cm 35cm
Cylinder 30cm 40cm
Cylinder 35cm 45cm
Cylinder 40cm 50cm
Cylinder 50cm 65cm
Deep Cylinder 25cm 40cm
Deep Cylinder 35cm 60cm
Deep Cylinder 40cm 60cm
Tapered Drum - Lampshade

Table and floor lamp fitting. Bottom diameter listed first.

Bottom Di Top Di Height
20cm 15cm 14cm
25cm 20cm 17cm
30cm 20cm 21cm
35cm 25cm 22cm
40cm 30cm 26cm
45cm 30cm or 35cm 29cm
50cm 40cm 32cm
55cm 45cm 35cm
60cm 50cm 35.5cm
Tapered Drum - Pendant

For ceiling use. Bottom diameter listed first.

Bottom Di Top Di Height
35cm 25cm 22cm
40cm 30cm 26cm
45cm 30cm or 35cm 29cm
50cm 40cm 32cm
55cm 45cm 35cm
60cm 50cm 35.5cm
Oval

Elliptical footprint. Suits narrow bases, console tables and sideboards.

Width Depth Height
35cm 20cm 20cm
40cm 22cm 22cm
45cm 26cm 24cm or 30cm
50cm 30cm 30cm
Rectangle

Rounded edges (no straight/sharp corners), great for console tables and sideboards.

Width Depth Height
40cm 20cm 22cm
50cm 25cm 30cm
Square

Curved edges, bold geometric form, perfecr or large floor lamps.

Width Height
40cm 40cm

Shades 55-70cm should be ordered with a pathos/rod suspension. Shades 80cm and 100cm require a 3-wire suspension.

Not sure?

Bring your lamp base into either of our showrooms in Glasgow or Edinburgh, or send us a photo - we'll recommend the right shape and size for your lamp.