Concave decorative square trellis panels, ideal for additional screening and shape above fencing or walls. Available in a natural finish or choose from on of 11 paint colour options. Please note that posts and top capping are sold separately.  

  • 12 year timber guarantee

  • Accredited timber

  • Friendly customer service

  • Planed finish

  • Over 30 years experience

Square Trellis Concave Arched Topper Panel

Price From £26.00

Fence & Trellis Calculator

Use our handy calculator to find out how many panels you would need

Length required (Metres or Feet)


You will need...

Panels: 0

(1800mm each)

Posts: 0

(70mm each)

You may need your last panel cut to order (0m excess)

Size: 1800mm wide x 270mm > 150mm high

The colour of the swatches may differ slightly from the actual paint finish due to the limitations of displaying images on websites. Samples are available to order.

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£26.00 INC. VAT

£26.00 per item

Free delivery on orders over £300*

*T&C's Apply see our delivery page.


  • The first measurement is the width. The second is the height of the sides/shoulder of the panel, the third is the overall height in the middle of the panel
  • Slat - 20mm x 9mm with rounded edges
  • Grooved frame with eased edges - subject to manufacturing variances approximately 30mm - 35mm x 30mm - 5mm.
  • Trellis made with a gap size of approximately 40mm between slats
  • Manufactured using 100% FSC Treated Pine
  • Compatible with concrete, timber and metal* fence posts
  • Available in natural timber or choose from a selection of 11 paint colour options
  • Pre-painted panels save work on site and are prepared in special temperature controlled conditions using a European exterior paint for a smooth, consistent and durable finish.
  • All panels are quality checked.  There is a front face to each panel which is given an additional hand finish for a smoother surface

*We suggest using Panel Spacer Strips on our 30-34mm framed panels if metal Duraposts are used. 


Installing it yourself? View our installation guides >


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The Garden Trellis Company are brilliant. Great customer service, their products are well made and they deliver when they say they're going to deliver. I couldn't ask for more.

- Jonathan Kemp

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