What is a door viewer (peephole)?

A door viewer is an optical fitting installed through a door that lets you see who is outside without opening the door. It is also known as a peephole or spyhole.

Are polished chrome door viewers suitable for composite doors?

Many polished chrome door viewers can be fitted to composite doors, provided you select the correct size and door thickness range. Always check suitability before drilling or replacing an existing viewer.

What viewing angle should I choose for a front door viewer?

A wider viewing angle generally gives better visibility of visitors and parcels near the doorstep. The best choice depends on your doorway position and the level of coverage you want.

Do door viewers come with a privacy cover?

Some door viewers include an internal privacy cover or shutter to reduce light and prevent visibility through the lens from inside when not in use.

How do I know which door thickness my door viewer needs to fit?

Measure the thickness of your door and choose a door viewer designed to suit that range. If you are replacing an existing peephole, measuring the old unit can also help ensure a suitable replacement.

Polished Chrome Door Viewers

Polished Chrome Peepholes for Safer, Smarter Entrances

Browse our range of polished chrome door viewers (also known as door peepholes or door spyholes) designed to improve front door security without spoiling the look of your door. A chrome door viewer is a simple upgrade that helps you check who’s outside before opening the door, while matching modern chrome hardware for a clean, consistent finish.

Supplied by Trade Door Handles, trusted UK supplier of architectural ironmongery since 1976, with nationwide next-day delivery.

What is a polished chrome door viewer?

A door viewer is a small optical fitting installed through the door to give a clear view of the outside. The polished chrome finish provides a mirror-like, contemporary look that pairs well with chrome door furniture such as handles, escutcheons, knockers, letter plates and security accessories.

Where are chrome door viewers used?

These front door viewers suit many property types, including houses, flats, apartments and shared entrances. They’re commonly fitted on timber, composite and some metal doors (depending on thickness and installation requirements). If you’re replacing an older peephole, choosing the correct door thickness range helps ensure a neat fit and a clear image.

Key benefits of fitting a door spyhole

Improves safety: see visitors before unlocking or opening the door.
Clear viewing: many options provide a wide angle for better visibility of the doorstep.
Modern finish: polished chrome complements contemporary door hardware.
Privacy options: selected models include an internal cover/shutter for added discretion.
Durable everyday security: a small, cost-effective upgrade with long-term value.

Choosing the right door viewer

When selecting a chrome door eye, consider your door thickness, the viewing angle you prefer, and whether you want an internal privacy cover. For busy entrances, rental properties or households with children, a wide-angle lens can be especially useful for seeing parcels and visitors more clearly.