What's the biggest shed without planning permission?

Author: Mr. Charlie Dietrich  |  Last update: Monday, March 23, 2026

After putting it to the test in various backyards and gardens, we've found that the largest shed without permit is around 120 square feet. This size limit seems to be a sweet spot for many local authorities, allowing homeowners to add a functional structure without overstepping regulatory boundaries.

What is the largest shed I can build without a permit?

Per the California Residential Code detached accessory structure not exceeding 120 square feet does not require a building permit if there is no plumbing, electrical, and or mechanical equipment. Please note, Sheds and/or Structures under 120 square feet do require a Planning Permit.

What is the biggest shed without planning permission?

The floor area mustn't be more than 15m2 (although you might be able to get away with up to 30m2 if other conditions are also met). The eaves height must be below 2.5m for a flat roof, 4m for a pitched roof, or 3m for anything else.

How big of a shed can I build without a permit in Utah?

Do I need a permit to build a shed? A building permit is required for a shed that is larger than 200 square feet. Please contact 801-446-4357 (HELP) prior to construction.

What is the largest shed without a foundation?

You can get away without a shed foundation if you want to install a small shed. But if your shed is bigger than 8 by 8, or even 6 by 8, then it needs attaching to a foundation.

What is the biggest size shed without planning permission?

Can you build a shed for $1000?

In general, it will likely cost a couple thousand dollars to build a shed. However, if you would like an especially small shed made with minimal material, there is a chance you can build it on your own for under $1,000 or possibly even under $800.

What is the maximum size of a shed?

Common rules

Sheds should be single storey with a maximum eaves' height of 2.5m. Sheds should be a maximum of three metres highunless they have either an apex or dual-pitched roof, in which case they can be up to four metres high. There should be no raised platforms, balconies, or verandas on sheds.

How big is a 200 sq foot shed?

Built for the backyard enthusiast, a 10×20 200 sq ft shed is the perfect size for storing all of your lawn and garden equipment. It's also big enough to accommodate a workbench or a small seating area, making it the ideal space for tinkering on projects or taking a break from the sun.

Can I have 3 sheds on my property?

Many cities in California allow more than one shed, but they often have strict size and setback requirements. For instance, in Los Angeles, you can have multiple sheds as long as each does not exceed 120 square feet without a permit, and they meet setback requirements from property lines.

What is the shed code in Utah?

In many counties and cities throughout Utah, the maximum allowable shed size without requiring a permit is typically 200 square feet for residential purposes, and 120 square feet for commercial use.

How close to a neighbour's boundary can I build a shed?

From our extensive experience at Homestead Supplier, the distance your shed must maintain from the property line can vary significantly depending on your local zoning laws. Generally, we've found that most zoning laws require sheds to be placed at least 3 to 5 feet away from the property line.

What is the smallest shed you can build without a permit?

Permit Requirements for Sheds Vary by Location

In most areas, you generally do not need a building permit for a small shed, such as a 6×8 or an 8×10.

Do I need planning permission for a pergola?

The good news is that for most pergolas, no planning permission will be needed. However, it is important to realise that there are some exceptions. These rules stipulate that planning permission is not required as long as: The pergola does not utilise more than 50% of the land surrounding the existing building.

What is the biggest you can build without planning permission?

Detached property extensions do not extend beyond the rear wall of the original home by more than 4m. The extensions roof & ridges must not exceed the height of the original house and the eaves must not exceed 2m in height of the boundary of 3m. Single-storey extensions must not exceed 4m in height.

What is a 120 sq ft shed?

If the shed is 10×12 on the outside, then the whole shed would be 120 sq feet.

What happens if you build a pole barn without a permit?

One of the most common penalties for constructing without a permit is the imposition of fines. Local governments typically have a set schedule of fines based on the size and nature of the project. The fines can be substantial, escalating with the duration of non-compliance or the severity of the offense.

Can I live in a shed on my own property?

maybe. Different states, counties, and townships have varying zoning laws, so the best practice is to check your local statutes before making any decisions about turning a storage shed into a habitable space.

Can I put two sheds next to each other?

Having two sheds on your property is possible, but it's important to consider local regulations, practicality, and aesthetic aspects before proceeding.

What happens if you put up a fence without a permit?

Building a fence without a permit – Violations and penalties

Usually the fine is $100 per day, for each day the fence exists without a permit. Also, if a fence is installed and does not comply with the codes of your city, the local government will require you to remove it.

How big is a 40x60 shed?

A 40x60 metal building is a solid choice for any property and provides 2,400 square feet of customizable space to satisfy many end uses, including shops, garages, barns, and even modern homes.

Is a 12x16 shed too big?

A 12x16 shed gives you a lot of room for storage. A four-wheeler, ATV, riding mower, or similar equipment will fit easily with room to spare. Motorcycles and small vehicles also fit, depending on the design and height of the shed.

What is the largest shed without a permit?

The quick and simple answer is: you usually don't need a permit if the shed is 120 square feet or less. In California, most jurisdictions have adopted the 120 square foot rule. If your shed area is larger than 120 square feet, it needs a building permit.

Can you put a shed right next to a fence?

From our experience at Homestead Supplier, maintaining a minimum distance of at least 3 feet between your shed and the fence is crucial. This space ensures proper maintenance, ventilation, and compliance with local regulations.

What is considered a large shed?

Large sheds of 100 square feet or more, like a 10-foot-by-12-foot shed, offer more space. They can handle anything from large pieces of lawn equipment to recreational vehicles. If you're feeling creative, turn your shed into a workshop, greenhouse or hobby space.

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