Call, text or WhatsApp Adrian07855 781433adrian@electricgatesbelfast.com
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Comparing Gate Motor Types: Underground, Overground, Hydraulic and Sliding

There are four main ways to automate a gate. Here's how they compare, and how I decide which one to recommend.

Side by side

Overground Underground Hydraulic (Fadini) Sliding
Gate type Swing Swing Swing (or sliding) Sliding
Starting price from £1,800 from around £2,400 price on survey from £1,400
Visible? Yes, on the gate No Rams visible, or hidden underground Motor beside the gate
Heavy gates Good Good Excellent Good to excellent
Heavy use Good Good Excellent Good to excellent
Groundwork Little at the gate Foundation boxes Depends on type Base and track
Servicing Easy More involved Specialist Easy

Overground motors

The all-rounder. Motor arms on the inside of the gates, fixed to the posts. Cost-effective, quick to fit and easy to service. The main downside is that you can see them. See overground gate automation.

Hardwood sliding gates like these for homes in Belfast
Hardwood sliding gates like these for homes in Belfast
Vertical-bar gates like these for developments in Lisburn
Vertical-bar gates like these for developments in Lisburn

Underground motors

Hidden in drained foundation boxes under each gate. The neatest look, and harder to tamper with. They cost more and need groundwork – and the drainage has to be right in our climate. See underground gate automation.

Hydraulic motors

Oil-driven rams or underground units. Very strong and smooth, built for heavy, large, windy or very busy gates. I use Fadini for these. See hydraulic gate automation.

Sliding gate motors

A motor beside the gate drives it sideways along a toothed rack. Often the cheapest to automate, great for slopes and short driveways, and very secure. The gate needs a clear run to slide into. See sliding electric gates.

How I choose

  1. Swing or slide? Set by your driveway and how much space you have.
  2. How heavy and how big is the gate? And is it solid enough to catch the wind?
  3. How often is it used? A family home is very different from a car park.
  4. Do you mind seeing the motors?
  5. What's the budget?

I'll talk you through it on site and recommend what I'd fit on my own gate.

Call, text or WhatsApp Adrian on 07855 781433.

Questions people ask me

Which gate motor lasts the longest?

Hydraulic systems have a reputation for long life on heavy-duty gates, but any good motor that's properly sized and serviced will last many years.

What's the cheapest way to automate a gate?

Usually sliding gate automation (from £1,400), then overground swing gate motors (from £1,800).

Are underground motors worth the extra?

If looks matter to you, yes. If not, overground motors do the same job for less.

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