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Yes, installing wrought iron fencing will usually require a building permit, as do all types of fencing. Building permits for wrought iron fencing typically cost between $150 and $500, and the price will vary based on where you live and how much your local building department charges. You may also need to pay for a property survey if you’re installing wrought iron fencing on your property line. This type of survey can cost around $500, but it prevents issues with building on neighboring properties, which can be much more expensive in the long run.

The depth of your post hole depends on your post length. If you decide on a two-rail fence, the posts are likely 6 feet long. You want your hole to be at least 1/3 of the post length. In this case, your post hole should be two feet deep.

If you opt for a three-rail fence, the posts will typically be 7 feet long, meaning your post hole should be 28 inches deep.

A horizontal fence is typically more expensive to build than a vertical fence, often costing between 10% and 20% more. The higher cost is due to the need for a higher grade of lumber and more posts to prevent the boards from sagging, which increases both material and labor expenses. Despite the higher price, horizontal fences tend to be more durable and offer a more distinct, modern look compared to the more common vertical picket style. However, they may not be the best option for privacy, as there can be slight gaps between the horizontal rails.

Maintain your wattle fence by inspecting it at least twice per year for loose weaving and degrading branches. Replace any seriously degraded sections, ensure water drains properly around the posts, and trim any sprouting branches if you used green wood. If you notice the weave loosening, you can often tighten it by gently pushing down on the top branches. You can also apply a natural wood preservative every two to three years to extend the fence's lifespan.