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Window & Door Grilles

Installed in more homes than any other product world wide.

Security Grille Range

Trellidor T700

Ownership | Nationwide Installation | Work Around Trading Hours | After-Sales Service | Vendor Of The Year

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 

Window Grilles

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.

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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


Manufacturing Quality Standards

Trellicor (Pty) Ltd is ISO (International Standards Organisation) compliant. Trellidor is ISO 9001:2015 certified in terms of QMS requirements, audited and assessed by the London-based Loss Prevention Certification Board. 

BRE-LPCB Approved to loss prevention standard 1175

Physical security barriers are a vital component in protecting the occupants of any building, be it residential or commercial. These barriers must be able to withstand and deter potential threats effectively. The only way to ensure that security barriers are dependable is through independent testing and certification.

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