Can You Automate Existing Gates? What You Need to Know

If you already have manual gates in place, you might be wondering whether you can upgrade them rather than start from scratch. In many cases, you can. Retrofitting electric gate kits is often possible, but there are a few key checks to make before you begin.

This guide explains how to automate existing gates, what to look out for, and where it may be more practical to replace rather than convert.

Yes, most manual swing or sliding gates can be automated using a retrofit gate kit. The process involves fitting motors to the existing structure, along with control units, safety features, and power connections. But success depends on the gate’s condition, weight, material, and how it was originally installed.

Some gates are already designed with automation in mind. Others might need adjustments before they can support motorised systems safely and reliably.

Electric gate motors add force and movement to the gate structure. Posts must be solid and well anchored. Wobbly posts or weak hinges may not support the added pressure. If in doubt, have the fixings checked or upgraded.

The gate should open and close freely by hand. If it sticks, scrapes the ground, or feels unbalanced, those issues will get worse under automation. Lightweight gates in poor condition may also bend under pressure from the motor.

Timber gates can warp or flex, which may affect motor performance. Metal gates are usually more rigid and better suited to automation. If your timber gates are in good shape, they can still be used, but all mounting points need to be strong and secure.

Motors, brackets, and control boxes take up space. For swing gates, make sure there is enough clearance around the gate and on the gate leaf for motor arms to mount properly. For sliding gates, the gate needs enough room to slide fully open without obstruction.

Electric gates need a safe and reliable power source. You’ll need access to mains power, or in some cases, a solar setup. For most retrofits, power needs to be run from the house or nearby building, usually through protective trunking.

●  Poor Drainage: For underground kits, water buildup can damage the motors. Drainage may need to be installed if it doesn’t already exist.

●  Heavy Gates: Some gates may be too heavy for standard kits. In these cases, a stronger motor or a replacement gate might be more practical.

●  DIY Restrictions: While many retrofit kits are DIY-friendly, some installations are better left to professionals, especially when adjustments or reinforcements are needed.

Both types of gates can be automated, but sliding gates are often easier to retrofit if the track is already in place and the gate slides freely. Swing gates need more careful assessment of post strength and arm placement.

If your entrance already has a clear area for the gate to slide across, sliding kits offer a straightforward upgrade path. For swing gates, you'll need to check for enough space around the posts for the motor arms to move without hitting walls or obstructions.

●  Lower cost than full replacement

●  Keeps the look and feel of your original gate

●  Less disruption during installation

●  Can be completed fairly quickly with the right kit

Sometimes, the existing gate simply isn't suitable. This can be due to:

●  Weak or rotting materials

●  Warped shape or poor balance

●  Incompatible hinge layout

●  Space limitations for motor placement

In these cases, replacing the gate while installing the automation system ensures a longer-lasting and more reliable result.

You can automate many existing gates with the right kit and a few key checks. If the gate is in good condition, opens smoothly, and is fixed to solid posts, then retrofitting an electric system is a smart upgrade. Just be sure to check the gate’s structure, spacing, and power access before you start.

If you're not sure whether your gates are suitable for automation, contact us and we’ll be happy to advise. We stock a wide range of retrofit gate kits for both swing and sliding systems, with options for most property types and gate materials.