The Most Tested & Trusted

Window Grilles

Installed in more homes than any other product world wide

Security Window Grille Range

Trellidor T700

The Trellidor T700 Retractable provides your home with superior, resilient protection in a neat, compact gate with a strong lock.

  • Fully framed, galvanised steel grille
  • Retractable or fixed configuration options 
  • Custom-made for doors, windows, stairways, and retail outlet openings
  • Neat, compact installation
  • It is top hung, so glides effortlessly when opened or closed
  • Multiple locking points operated by the single turn of a key
  • Can pre-treat and powder coat all surfaces against corrosion 

Reasons To Choose Trellidor UK For Your Commercial And Residential Security Grilles


Customised to fit windows, doors, passages, stairwells, kiosks and other openings.

Seamless Operation

Top hung and effortless to operate.

Internal Strengthening

Designed with in-built strength to resist attack.

Maintains Line Of Sight

A deterrent to intruders without blocking line of sight, light penetration or airflow.

Powder Coated

Powder coated to customer specified colour choices.

Various Fitting Options

Suitable for retail, commercial, industrial and residential installations.

Protect your property in style and convenience!

Collapsible window grilles are an excellent choice for enhancing security. They provide optimal protection and are versatile, fitting any window size or shape. They’re discreet and space-saving, perfect for homeowners and businesses. Enjoy added protection without sacrificing aesthetic appeal. It’s an investment worth considering.

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Client Testimonials

“Excellent company. I highly recommend their bespoke security grills. Superb customer service. High quality products. Delighted. Thank you.”

– Daniel Boyd

“Great service and friendly staff.”

– Justin Walker


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