Metal shed vs wooden shed
Updated: 22 October 2026
You have one patch of lawn left and a mower that no longer fits in the hallway, and the listings treat steel and timber as the same purchase. A metal shed vs wooden shed is a choice about time, heat and what you will do inside. On amazon.co.uk the steel in this set sits at about £140 to £170 for a small flat-pack, and at £239.99 or £319.99 for the two larger shells. Timber prices stay on the wood category. The six steel rows are on the [metal garden shed comparison](/hub/garden-supplies/garden-shed-metal). A qualifying purchase through our links can earn a commission at no extra cost to you.
You have one patch of lawn left and a mower that no longer fits in the hallway, and the listings treat steel and timber as the same purchase.
You have one patch of lawn left and a mower that no longer fits in the hallway, and the listings treat steel and timber as the same purchase. A metal shed vs wooden shed is a choice about time, heat and what you will do inside. On amazon.co.uk the steel in this set sits at about £140 to £170 for a small flat-pack, and at £239.99 or £319.99 for the two larger shells. Timber prices stay on the wood category. The six steel rows are on the metal garden shed comparison. A qualifying purchase through our links can earn a commission at no extra cost to you.
Our top picks
| Badge | Product | External size | Floor | Vents | Note | Price | Offer |
|---|---|---|---|---|---|---|---|
| Best overall |  COZYBRITE COZYBRITE 6 x 4 metal shed | 170.5 × 110.5 × 178 cm | Frame only | Front vents | 6.2 | about £149.99 | View offer |
| Best value |  COZYBRITE COZYBRITE 8 x 6 metal shed | 231 × 171 × 181.5 cm | Frame only | Four claimed | 5.4 | about £239.99 | View offer |
| Alternative |  Garden Universe Garden Universe 8 x 8 apex | 259 × 257 × 178 cm | Base frame | Two | 3.9 | about £319.99 | View offer |
On this page
What you are actually choosing
Which? splits the materials by the work they leave you. Timber, in their wording, is easier to repair and usually needs a treatment each year. Steel needs little of that coat after the build, and it usually arrives without floor boards. Screwfix writes a different wood interval, every two to three years, and asks you to check the felt. Those are two publishers, not one rule. Garden Buildings Direct adds grease and a touch-up on steel. The other cost is water in the air. A metal roof runs cold on a dry morning, so vapour from a wet mower becomes dew underneath. Which? says steel is not breathable and needs a ventilator. Vents on these listings are a claim, not a measured airflow, and the floors are usually frames. Dew is not the same fault as a leaking joint, which is why the metal shed condensation page stays on moisture. Leave a soaked mower outside until it stops dripping. Steel also heats and cools faster than timber. Which? calls wood the steadier of the two.
A store, or a room you sit in
Real Homes warns against plastic or metal as a home office, because both get hot and stuffy, and suggests a wooden apex with a window. Which? calls a metal shed a poor office for the same reason. That is about sitting inside, not about leaving tools in the rain. You can keep a mower, the bins and a bench in steel if you accept the heat, the cold and the dew. A bench you use every weekend is a calmer job for wood, and you pay for it with treatment. Which? also says timber is easier to repair, so you can cut a window or replace a rotten board. On these flat-pack kits a dent stays until the panel is replaced. Plastic is a short contrast. Which? calls it light and easy, and also flimsy and hard to secure, and it is not breathable.
Security and rust, without the brochure
Wooden sheds are typically less secure than a thick door in a brochure implies, in Which?'s account. Metal is not automatically safer. A hasp on a thin leaf is a different product from a heavy secure unit. Around £150 the hinge screws often sit outside, so a driver can take the door off without touching the padlock. That is not a motorcycle store weighed in hundreds of kilograms, and even that class is not proof against a grinder. Door widths on this shortlist are on the best metal garden shed page. Cheap thin sheet corrodes once the coating is scratched. That is a warning, not a lifespan, so this page does not quote twenty-five years or call these kits fireproof. Screwfix says treat rust quickly, ventilate, wash the shell and check the fixings. In England a garden building within 2 metres of the boundary is still capped at 2.5 metres. The material does not lift that cap.
The condition, then the metal shortlist
Choose steel when you will skip the timber treatment, ventilate the shed and bolt it down. Choose wood when you will sit inside, or when you want a shell you can cut and patch. For tools you visit briefly, steel in this set is the better buy when the centimetres, the door and the floor agree. For a home office, follow Which? and Real Homes to timber on the wood category. The metal garden shed buying guide checks floor, foundation and base frame before you treat a listing as boarded. You keep a store without the annual timber coat.
Common questions
Should I buy a metal shed or a wooden shed?
Buy metal for a store you will ventilate and bolt to a level base. Buy wood if you will sit inside or repair the panels yourself. Which? is the source for a yearly timber treatment and for metal as a poor office. Both wishes, a low-effort shell and a temperate room, do not land on one material.
Which needs less work each year?
Steel usually needs less coating. Which? puts a yearly treatment on wood. Screwfix says every two to three years, plus a check of the felt. Those stay two pieces of guidance. On metal, treat rust quickly, wash the shell and check the fixings. A scratched edge you ignore will still rust.
Which is better for a workshop or a home office?
Choose wood for a home office. Real Homes says metal and plastic get hot and stuffy, and points to a wooden apex with a window. Which? agrees. A few minutes with the door open can still be steel. Storing tools there is reasonable. The office warning is not a ban on a tool store.
Will a metal shed rust?
It can, once the coating is cut or a screw leaves bare steel out in the weather. Thin sheet on a cheap flat-pack is where that risk sits. Wash it, touch up chips and deal with rust early. That is less painting than a yearly timber coat, and it is not a quoted lifespan. These sheds are not called fireproof here.
Does the material change planning permission?
Steel, timber and plastic share the same height rules. In England, within 2 metres of the boundary, the cap is 2.5 metres. Thinner steel walls do not create an exception. Scotland, Wales and Northern Ireland are not covered by that England figure, so check the rules where the shed will stand.
Related pages
Sources
Sources from the research digest. Listing prices and stars are amazon.co.uk figures from 19 October 2026.
- Planning Portal, outbuildings (retrieved 19.10.2026)
- Class E, GPDO 2015 (retrieved 19.10.2026)
- GOV.UK permitted development technical guidance (retrieved 19.10.2026)
- Building Regulations 2010, Schedule 2 (retrieved 19.10.2026)
- GOV.WALES, planning permission for outbuildings (retrieved 19.10.2026)
- mygov.scot, shed or garage (retrieved 19.10.2026)
- Which?, how to buy the best shed (retrieved 19.10.2026)
- GardenSite metal shed guide (retrieved 19.10.2026)