Usually yes for a structure this size, but there is no single answer and anyone who gives you one without knowing your address is guessing. In most places the triggers are footprint, whether you pour new footings, how close the structure sits to a property line, and whether the roof counts as a roof. Your HOA then runs its own separate approval. The reason to do this before you order rather than after is simple: a frame made to your measurements cannot be returned or resold.
See the sizes and layouts we build
Why the answer is local
Building rules in the US sit with the city or county, and two suburbs ten minutes apart can treat the same pergola differently. One counts it as a shade structure and waves it through. The next counts it as an addition because the roof closes, and asks for drawings. Outside the US the equivalent is your local planning or building authority, and the same principle applies: ask them, not a forum.
There is no national threshold to look up. There is only your address and your local department.
What usually triggers a permit
Things that most commonly move a pergola from "fine" to "needs approval":
- Footprint over a certain size. The number varies by jurisdiction, which is exactly why you have to ask.
- Pouring new footings or a slab. Permanent foundations are treated differently from a structure sitting on existing paving.
- A roof that closes. An open slat pergola is often classed more leniently than a solid or closable roof, and a motorized louvered roof is a roof.
- Height, and proximity to property lines or easements. Setbacks are the rule people forget most often.
- Electrical work. Our units run a motor and LED lighting, so you need a supply at the site. In many places that means its own permit and a licensed electrician, separate from the structure itself.
- Lot coverage. Some areas count roofed area against impervious surface limits, and a structure you thought of as temporary gets counted.
If you are attaching the pergola to the house rather than building it freestanding, expect the answer to be yes almost everywhere.
HOA approval is a separate process
Your homeowner association is not the building department and does not care what the building department said. HOAs typically want drawings, dimensions, colours and materials, and they can and do refuse things the city would allow. Architectural review also runs on its own calendar, which can be slower than the permit.
Do them in parallel. Waiting for one before starting the other is how a spring project becomes an autumn one.
Call before you dig
If footings are involved, get underground utilities marked before anyone breaks ground. In the US that is a free service, dial 811, and in other countries there is usually an equivalent through your utility providers. A severed line is an expensive way to learn this exists.
Power at the site
A motorized roof needs electricity, and the LED lighting in the beams needs it too. Plan where that supply comes from before you finalise the layout, because the cheapest moment to run a cable is when the patio is already being worked on and the worst moment is after it is finished. Ask your electrician about an outdoor-rated circuit and where the controls should live.
Wind and snow
Your local code has design values for wind and snow, and whether a structure satisfies them depends on where you live rather than on how solid it looks. The 150 × 150 mm posts and 220 mm blades on our units give the frame real stiffness, and closed louvers shed water instead of pooling it.
We are not going to quote you a rating here, because the number that matters is the one your jurisdiction requires. Tell us your location and we will check the structure against it before you order.
What to have ready when you call
Keep it to one page and you will get a real answer on the first call:
- Site address.
- Overall dimensions: width, depth and height.
- Freestanding or attached to the house.
- Whether you are pouring new footings or using the existing surface.
- Distance from the structure to each property line.
- A sketch and a couple of photos.
Send the same sheet to your HOA. Most departments will tell you over the phone whether you need to file, and that call takes about as long as choosing a colour.
Frequently Asked Questions
Do I need a permit for a freestanding pergola? Often yes once it reaches a certain size or gets a real foundation, and the threshold changes by jurisdiction. Small structures on existing paving are the ones most likely to be exempt. Call with your dimensions rather than assuming.
What happens if I build without one? You can be made to take it down, and it surfaces at the worst possible time, usually when you sell the house or when a neighbour complains. Unpermitted structures also tend to be excluded from insurance claims.
Does a motorized roof change the answer? It can, and it adds an electrical permit on top. A roof that opens and closes is more likely to be treated as a roof than a decorative slat structure.
How long does approval take? Weeks in some places, months in others, and HOA review can be slower than the building department. Ask both when you apply. Do not set a delivery date before you have answers.
Can the structure be engineered for my local wind and snow? Tell us your location and we will check it against the values your area requires before production. If your site has unusual exposure, say so, because an open hillside is not the same as a walled courtyard.
I have already ordered and just found out I need a permit. Now what? Talk to us before you do anything else. Drawings and specifications can usually be provided for a submission, and if the required changes affect the layout it is much cheaper to adjust before production than after.