Steel Garage or Garden Shed for Storage in Dublin

9 November 2026

Choosing a Steel Garage or Garden Shed for Your Home

Choosing a steel garage or garden shed comes down to what you need to store. A garden shed is the better fit for tools, bikes, mowers and garden furniture. A steel garage makes sense when you need to keep a car, motorbike or trailer under cover, or want a large workshop. For most homes in Dublin, a shed is enough.

Below we set out how the two buildings differ, what you actually plan to store, how much of your garden each one takes, the planning rules that apply to garden buildings, and the base and access each one needs before installation.

How a Steel Garage and a Garden Shed Differ

Both buildings use a steel frame and steel cladding, so both resist rot, do not need painting every few years and stand up well to Irish rain and wind. The difference is scale and purpose. A garden shed is sized around household storage and is usually entered through a single or double hinged door. A steel garage is wider and taller, with an opening large enough for a vehicle, which normally means a roller or up-and-over door.

That larger opening and span change everything else about the building. A garage needs a stronger, larger base, more clear space in front of the door and a driveable route from the road. A shed can sit at the end of a back garden with only a path leading to it.

Doors and access

Door type is often the clearest sign of which building you need. If everything you own can be wheeled or carried through a standard door, a shed will do the job. If you need to drive something in, or regularly move long items such as kayaks, ladders or timber lengths, a garage-style opening is worth the extra space it takes.

What You Plan to Store Decides the Building

The most reliable way to choose between a steel garage or garden shed is to list what will go inside, then add a margin for what you are likely to buy in the next few years. Measure the larger items rather than guessing. A ride-on mower, a cargo bike or a stack of patio chairs takes up far more floor space than most people expect.

As a general guide, these items sit comfortably in a garden shed:

  • Hand tools, power tools and a workbench
  • Bicycles, scooters and children's outdoor toys
  • Push lawnmowers, strimmers and hedge trimmers
  • Garden furniture, cushion boxes and barbecues over winter
  • Household overflow such as paint, decorating gear and seasonal items

A steel garage is more suitable when the list includes a car, a motorbike, a quad, a trailer, a boat on a trailer or a large ride-on mower, or when you want a workshop with room to walk around a project. Our steel garden sheds come in a range of sizes, colours and configurations, so a larger shed often covers storage needs that people first assume require a garage.

Space, Size and Garden Storage in Dublin

Many gardens in Dublin are compact, especially in older terraced and semi-detached estates. A shed can be sized to fit the space you have, while a garage needs room for the building itself plus a clear approach to the door. Before deciding, measure the full area, including the gap you need to leave to boundary walls and fences for access and maintenance.

Think about how much garden you want left once the building is in place. A building that fills most of the back garden can make the remaining space hard to use. It also affects whether the structure falls within the planning exemptions covered below. Our article on choosing the right garden shed size explains how to measure and plan storage capacity in more detail.

Matching size to daily use

Storage that is easy to reach gets used properly. Place the most-used items, such as bikes and the lawnmower, nearest the door. Keep seasonal items towards the back. If you find that you would need a garage-sized footprint just to reach the back of the building, a wider shed with double doors is usually a better use of the space.

Planning Rules for a Garage or Shed

In Ireland, many garden buildings at the back or side of a house do not need planning permission, as long as they meet specific conditions. According to Citizens Information guidance on altering your house, the limits include the following:

  • The building does not extend in front of the building line of the house.
  • Its height is no more than 4 metres with a tiled or slated pitched roof, or 3 metres with any other roof.
  • Its floor area is no more than 30 square metres on its own or together with similar structures.
  • At least 25 square metres of open space remains at the back or side of the house.
  • It is not lived in or used for commercial purposes.

A typical garden shed sits well within these limits. A steel garage large enough for a car can approach the floor area limit, particularly if you already have another garden building. Different rules apply to protected structures and homes in architectural conservation areas, so check with your local authority if you are unsure before you order.

Base, Access and Installation

Every steel building needs a firm, level base. For a garden shed, that is normally a concrete slab or a suitable paved base sized to the footprint. A steel garage needs a larger, stronger base because of its size and, if it will hold a vehicle, the load it must carry. In both cases the base should drain away from the door so rainwater does not sit at the threshold.

We advise customers on preparing a suitable level base before installation, and our guide to garden shed foundations and bases covers the options. On installation day we deliver to your property and our experienced team assembles the building on site, so clear access from the road to the base position helps the job run smoothly.

  1. Confirm what you will store and measure the largest items.
  2. Measure the site and check the planning conditions for size and position.
  3. Prepare a level base with good drainage.
  4. Clear the access route for delivery and assembly.

When a Steel Garage Is the Better Choice

A garage is worth the extra space and base work when you need to keep a vehicle under cover, want a workshop with room to move around, or have bulky equipment that will not fit through a shed door. It can also suit rural and larger suburban sites in the counties around Dublin, where there is a driveway or yard to give clear access. You can see the options on our steel garages page.

For most households, though, the honest answer is a well-sized steel shed. It costs less in space and groundwork, fits more gardens, and gives secure, weather-resistant storage for the tools, bikes and equipment most people actually need to keep.

Choosing a steel garage or garden shed comes down to three things: what you will store, the space you have, and the access to it. For tools, bikes and garden gear, a steel garden shed is usually the right answer for homes in Dublin and the surrounding counties. Choose a garage only when a vehicle or workshop makes the extra size worthwhile.

If you would like help deciding on the size and layout that suits your garden, contact ColourTrend Sheds. You can call us on 014670131 or email sales@colourtrendsheds.ie, and we will talk you through the options.

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