Do I need a base for a shed?

Yes — a level, solid base such as concrete, paving slabs or a timber frame is important for keeping a shed stable, dry and free from rot at the base.

Timber or metal shed — which is better?

Timber sheds are generally more attractive and easier to modify but need regular treatment. Metal sheds require less maintenance and offer good security but can be prone to condensation and are less adaptable.

Do I need planning permission for a shed?

Most garden sheds fall under permitted development rights if they meet size and height limits and are not used as separate living accommodation. Check with your council if your shed will be unusually large or close to a boundary.

How can I make my shed more secure?

Fit a good quality lock and hinge bolts, consider an alarm or security lighting, keep it out of direct view from the street where possible, and anchor valuable contents like bikes or tools.

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Homeowner Hub › Garden & Outdoor Living › Sheds

Sheds

Everything you need to know before buying or building a garden shed, including timber vs metal, concrete bases, security, installation, maintenance and storage ideas.

Last reviewed: August 2026 · Reviewed by: The TopTenTrades Editorial Team

Quick Answer

1.Choose between timber and metal based on maintenance versus appearance
2.Prepare a level, solid base before installation
3.Check permitted development limits if the shed is large or close to a boundary
4.Add security measures such as a good lock and hinge bolts
5.Plan regular maintenance to protect timber sheds from rot

Best time: Spring–Summer
Typical frequency: One-off
DIY friendly: Yes
Professional recommended: Large installations
Typical cost: £250–£2,000+
Recommended trade: Builder or Landscaper

Buying Or Building A Shed

A shed adds valuable storage and workspace, but choosing the right materials, base and position makes a big difference to how long it lasts.

•Timber vs metal — weigh up appearance and adaptability against low maintenance and security
•Concrete bases — a solid, level base keeps the shed stable and prevents rot at the base
•Security — locks, hinge bolts and positioning all help protect stored contents
•Installation — larger or more complex sheds benefit from professional installation
•Maintenance — regular treatment and roof checks keep timber sheds in good condition
•Storage ideas — shelving, wall hooks and stacking systems make the most of the space

Sheds: Typical Costs

Service	Typical Cost (UK)
Small timber shed (flat-pack)	£250–£600
Medium timber shed, installed	£600–£1,200
Metal shed, installed	£400–£1,000
Large or bespoke shed	£1,200–£2,000+
Concrete base	£150–£400

Installation costs are higher for larger sheds, difficult access, or sites needing groundwork.

Keeping Your Shed In Good Condition

•Treat timber sheds every one to two years to protect against rot
•Check the roof felt or covering annually for damage
•Keep vegetation cut back from the sides to reduce damp
•Check the base periodically for signs of settling or water pooling

Need help installing a shed?

Find local builders who can help with:

Base preparation
Shed installation
Timber treatment
Repairs

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