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Black metal security door with diamond lattice grille installed on a white doorway

Metal Security Door | Metal Gate | Security Gates | Security Grill | Steel Security Doors | UKMSD11

£311.33+ Price depends upon Sizes

This is a black metal security door featuring a diamond lattice grille design, fitted over a residential entrance. Its sturdy steel construction and open weave pattern provide a visible security barrier while still allowing light and airflow through the doorway.

SKU: UKMSD11 Categories: , , ,
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Description

This metal security door showcases a classic black diamond lattice grille set within a solid steel frame, designed to sit over an existing entrance door. Built to add a visible layer of protection to a home’s front or side entrance, this metal security door combines an open weave pattern with a robust frame so light can still pass through while the doorway stays secured.

Features of This Metal Security Door

Every metal security door in this range is finished in a deep matte black, giving it a neat, understated look that works well against light-coloured walls and siding, as shown in the photo.

Diamond Lattice Grille

  • Tightly spaced diamond pattern grille across the full door panel
  • Allows natural light and ventilation through the entrance
  • Creates a strong visual deterrent at the doorway

Sturdy Frame Construction

  • Solid outer frame surrounding the lattice panel
  • Fitted hinges and a handle/lock set visible on the door
  • Designed to be mounted directly onto an existing door frame

Specifications

This metal security door is constructed from black-finished steel with a diamond grille infill, making it suitable for standard residential doorways.

  • Material: Steel
  • Finish: Black powder-coated style finish
  • Design: Diamond lattice grille panel
  • Fittings: Hinges, handle and lock mechanism included
  • Suitable for: Front doors, side doors and garden entrances

Why Choose This Metal Security Door

Choosing this metal security door means adding a defined physical barrier at your entrance without blocking out light or airflow, thanks to the open diamond grille design seen in the photo.

  • Simple, uniform black finish that suits most house exteriors
  • Diamond grille pattern offers visibility through the door
  • Compact hardware including handle and lock for everyday use
  • British made and delivered nationwide across the UK

Frequently Asked Questions

Is this metal security door suitable for a front entrance?

Yes, this metal security door is designed to be fitted over a standard front or side entrance door, as pictured, sitting within the existing door frame.

Can I still get light through the metal security door when closed?

Yes, the di

Specifications

We are the only manufacturing brand who not only provide bespoke design and sizes but also the specifications for gates.

     Our material, size of rails, frames, infill bars and article designs are depending upon the requirements of each gate so you can get the best results. The standard size for side frame section starts at 40mm x 40mm but some basic side or garden gates can be made using 20mm x 10mm,20mm x20mm etc. frames as well. The specifications for all the premium gates will be decided by us according to the design and size of gates, we will give you the best option so that the quality of gate will not be compromised.

       Specifications

 GATES

Frame  Section

Top/Arch Section Infill Bars Privacy Sheet Operating System Gate Arts

Driveway Gate

40mm X 40mm -100mm X 100 mm 40mm X 8mm (Min Flat bar) or 40mm X 40mm(Box ) 12mm-20mm round bar, square bar(solid & hallow) 1mm – 3mm thick Manual or Electric Depend upon gate selection
Side Gate 20mm X 20mm -100mm X 100 mm 40mm X 8mm (Min Flat bar) or 40mm X 40mm(Box) 12mm-20mm round bar, square bar(solid & hallow) 1mm – 3mm thick Manual or Electric Depend upon gate selection
Garden Gate 20mm X 20mm -100mm X 100 mm 40mm X 8mm (Min Flat bar) or 40mm X 40mm(Box) 12mm-20mm round bar, square bar(solid & hallow) 1mm – 3mm thick Manual or Electric Depend upon gate selection
Sliding Gate 40mm X 40mm -100mm X 100 mm 40mm X 8mm (Min Flat bar) or 40mm X 40mm(Box ) 12mm-20mm round bar, square bar(solid & hallow) 1mm – 3mm thick Manual or Electric Depend upon gate selection
Security Door 20mm X 20mm -100mm X 100 mm 40mm X 8mm (Min Flat bar) or 40mm X 40mm(Box) 12mm-20mm round bar, square bar(solid & hallow) 1mm – 3mm thick Manual or Electric Depend upon gate selection
Alleyway Gate 40mm X 40mm -100mm X 100 mm 40mm X 8mm (Min Flat bar) or 40mm X 40mm(Box ) 12mm-20mm round bar, square bar(solid & hallow) 1mm – 3mm thick Manual or Electric Depend upon gate selection
¾ Split Driveway Gate 40mm X 40mm -100mm X 100 mm 40mm X 8mm (Min Flat bar) or 40mm X 40mm(Box ) 12mm-20mm round bar, square bar(solid & hallow) 1mm – 3mm thick Manual or Electric Depend upon gate selection
BiFold Gate 40mm X 40mm -100mm X 100 mm 40mm X 8mm (Min Flat bar) or 40mm X 40mm(Box ) 12mm-20mm round bar, square bar(solid & hallow) 1mm – 3mm thick Manual or Electric Depend upon gate selection
Railing 20mm X 20mm -100mm X 100 mm 40mm X 8mm (Min Flat bar) or 40mm X 40mm(Box) 12mm-20mm round bar, square bar(solid & hallow) 1mm – 3mm thick N/A Depend upon railing selection

How To Measure

  • Take 3 measurements: Top, Middle and Bottom
  • Use the smallest of widths as Total Gap Width
  • This is all we need, leave the rest of fittings upon us.

measure

how to measure

DOOR DRAWING

Post & Hinges Guide

Metal Post
We Fabricate all Metal post at same time with your order order according to your requirements.
We can provide 3 type different way fixing Metal Post you can make any combination.
metal post1
Hinges 
Please see the drawing to understand gate opening and closing.
Standard Gates Opening Inwards but if you choose the option open outwards remember Post and Hinges might need to install outside!
metal post2

Any question please call Us on 02089116000 – we are happy to help.