At Benchmark Windows, we’re proud to be experienced security door suppliers, operating throughout the South of England.

If you are looking to replace the commercial steel security doors currently present at your premises, we are pleased to provide a wide range of options. With so much at stake, we understand the importance of ensuring the security of your business. From the safety of your staff, customers, and visitors to the protection of valuable assets, the implementation of both external and internal security doors is essential.

Our heavy-duty steel security doors can provide you and your business with the security you need, so you can focus solely on tackling your workload. We are bound to have a security fire door that will suit your budget and requirements.


Our steel security doors are sturdy, durable and extremely high-quality, offering an efficient security solution. All of our security doors can be custom-made to fit your exact requirements so that you can have peace of mind your business is safe at all times.

When you choose our stainless steel security doors, you’ll receive the following benefits:

  • Bespoke Designs
  • Burglar Resistant
  • Fire Resistant
  • Energy Efficient
  • Strong and Durable
  • Smoke Resistant

Our heavy-duty steel security door suppliers are acknowledged as leading manufacturers of British-made physical security products.

The doors we supply can be fitted with retractable security grilles, anti-vandal screens, and cages. At Benchmark Windows, we know that the demands of each business environment are entirely different. That’s why we’re dedicated to working with each of our clients, tailoring our services to suit their unique demands.

To view our extensive range of steel security fire doors, pop down to our showroom in Lancing, West Sussex. Alternatively, call us on 01903 337625 and speak to one of our knowledgeable team members today.

With a state of the art showroom in Lancing and no doubt another quality installation near to you already, we hope that you will consider us for your project.

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