Are your door viewers suitable for UK front doors?

Yes, our door viewers are designed to suit standard UK door thicknesses and materials. Many models are suitable for timber, composite and some PVCu doors, and the product descriptions specify the door thickness range they will fit.

Can I match the door viewer finish to my door furniture?

Yes, many of our door viewers are available in finishes to coordinate with your other door furniture, including brass, chrome, satin and black options. You can easily match them with handles, letter plates, knockers and other external hardware for a consistent look.

Do you supply digital or smart door peepholes?

Our range includes modern door viewers such as digital and smart peepholes with features like screens, night vision and enhanced wide-angle viewing. These are ideal if you want greater visibility or a more advanced security solution than a standard mechanical viewer.

Door Viewers

Q: What is a door viewer?

A door viewer, also known as a spy hole or peephole, is a small optical device fitted through the door that lets you see who is outside without opening it. It improves security, privacy and peace of mind on front doors, flats and shared entrances.

Q: Do you offer fire-rated door viewers?

We supply a choice of fire-rated door viewers that are tested to suit fire door assemblies. These are ideal for apartment doors, flat entrances and commercial properties where certified fire door hardware is required. Always check the fire rating information on each product before ordering.

Explore Our Best Door Viewers for Front Door Security & Style

Looking for a reliable way to discreetly identify visitors before opening your door? Our wide range of door viewers—including peepholes and spy holes—offers the perfect balance of visibility, privacy, and protection.

What Is a Door Viewer and Why Should You Use One?

A door viewer (commonly known as a spy hole or peephole) is a simple yet highly effective security feature that allows you to see who is on the other side of the door—without having to open it. These are ideal for use on external doors, apartment entrances, and even internal doors in shared buildings or flats. Whether you're in a home, flat, or commercial property, a door peephole viewer adds an extra layer of privacy and control.

Types and Features of Door Viewers

Our range includes classic models like the brass door viewer for traditional aesthetics, as well as modern chrome peepholes and matte black spy holes for contemporary styles. You’ll find wide-angle door viewers, fire-rated options, and smart door peepholes including digital, wireless, and night vision models for advanced visibility and security.

All viewers are compatible with standard UK door thicknesses and available in finishes that match popular door furniture ranges. Our collection features trusted manufacturers including Carlisle Brass, Heritage Brass, Frelan Hardware and From The Anvil.

For those fitting full entrance doors, we also recommend exploring complementary items like door knockers, centre door knobs, door chains, and letter plates.

If you can't find the exact product you're looking for, please contact us—we’ll be happy to assist you.

This is a carlisle brass door viewer satin brass swe1000spvd

Why Choose Our Door Viewers?

Safety, Clarity & Stylish Finishes

Door viewers are a simple yet essential home security upgrade, especially useful for flats, shared buildings, and front entrance doors. From classic peepholes to advanced digital door viewers, this collection offers practical options for both residential and commercial properties. Choose from wide-angle lenses (160° to 200°), fire-rated models, and a variety of finishes to complement your door hardware. For a consistent and professional finish, pair your selection with our range of architectural ironmongery.

Need Help Choosing?

Frequently Asked Questions

What is the standard size for a door viewer?

Most door viewers are designed for 12mm to 16mm diameter holes, fitting standard UK door thicknesses.

Can door viewers be used on internal doors?

Yes, they are often installed in internal apartment or flat doors to help residents identify visitors before opening.

Do you offer fire-rated door viewers?

Yes, we supply fire-rated options suitable for fire-resistant doors in both residential and commercial settings.

Can I install a peephole without drilling?

No, traditional peepholes require a hole to be drilled through the door for proper installation. Some digital viewers may be mounted differently, but most door viewers—especially standard spy holes—need a precise hole to ensure secure fitting and clear visibility.