Garden shed buying guide: size, roof, cladding and base
A shed is one of the most useful things in a garden: a home for tools, bikes, the mower and everything that clutters the house. Choosing the right one comes down to size, construction and what it stands on.
1. Choose the size
Shed sizes are usually given in feet, such as 6x4 or 8x6 (width by depth, or the other way round, so check the product page). Before choosing:
- List what goes in: a lawn mower, bikes, garden furniture cushions, tools. Bikes and mowers need more floor space than you'd think.
- Think ahead: most people wish they'd gone one size bigger.
- Measure the plot, allowing access all round for maintenance and to open the door fully.
Our sheds come from Rowlinson Garden Products, in a range of sizes, and many are offered in more than one size.
2. Apex or pent roof?
- Apex: a pitched roof that peaks in the middle. More head height in the centre, and rain runs off both sides.
- Pent: a single sloping roof, higher at the front. Fits under fences, windows and low branches, and suits a spot against a wall.
3. Cladding: shiplap or overlap?
- Shiplap: tongue-and-groove boards that interlock for a smooth finish. Generally more weather-resistant and sturdy.
- Overlap: boards overlap each other. A simpler, often more affordable construction that suits storing garden tools.
4. Timber treatment
- Pressure treated: preservative is forced deep into the timber, which helps protect against rot. These sheds often need less ongoing treatment, but check the maker's guidance.
- Dip treated: a surface treatment that needs re-treating regularly to stay protected.
Our range includes sheds described as shiplap, overlap, apex, pent, pressure treated and metal, so look out for those terms in product names.
5. Wood or metal?
Metal sheds need little maintenance and won't rot, while timber sheds are easier to customise with shelves and hooks and blend into the garden. Some metal sheds have a wood-effect finish.
6. Doors, windows and security
- Double doors make it easier to get bikes, mowers and wheelbarrows in.
- Windows add light for potting or working; windowless sheds are more private for storing valuables.
- Security: fit a good lock, and consider a security shed if you're storing bikes or power tools.
7. The base
Every shed needs a firm, level base to stop it twisting and to keep the floor off damp ground. Common options are concrete, paving slabs, or a timber or plastic base kit. The base should be the same size as the shed's footprint or slightly larger. Check the maker's recommendations.
8. Planning permission
Many small garden sheds don't need planning permission, but there are rules about height, position and how much of the garden is covered, and different rules for listed buildings and some protected areas. If you're unsure, check the government's Planning Portal or ask your local council before you buy.
Need something smaller?
For bins, logs, bikes or a few tools, garden storage units, log stores and bike stores take less space.
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Frequently asked questions
What is the difference between shiplap and overlap sheds?
Shiplap boards interlock with a tongue and groove for a smoother, generally more weather-resistant finish. Overlap boards sit over each other and are a simpler construction.
Apex or pent shed: which is better?
Apex roofs give more head height in the middle. Pent roofs slope one way and fit under fences, windows and low branches.
Do I need planning permission for a shed?
Many small sheds don't, but rules on height, position and listed buildings apply. Check the Planning Portal or your local council if you're unsure.