If you’re planning to build a conservatory or extension on your home, you’ll need to consider how deep you want your foundations to be. These are an important part of the process because they will affect the overall structural stability of your property. The deeper the foundations, the better.
To determine the depth of your foundation, you need to know what your site is capable of. The size of your conservatory will affect this, as will the type of soil that your property is on. Your local building control office can help you figure this out. You may also need to find out what is the best option for your budget.
Depending on the location and soil conditions, your build may require more than a simple concrete slab. It may also require reinforced foundations. The right foundations can make a difference to your future maintenance and replacement costs.
There are three main types of foundation: a deep strip, a trench fill and a raft. These are each used for different purposes, and can vary in cost and finish. The most cost effective type is a deep strip. It’s made by digging a trench into the ground and filling it with concrete to about 150mm below the ground level.
A trench fill foundation is similar to a deep strip but is built in a more streamlined manner. It’s a more cost effective option when ground conditions allow. It’s generally built with a reinforced concrete ground beam to span the piles. This makes it a good option for areas that have heavy clay and a high water table.
The best type of foundation for a conservatory will vary from site to site. This is why it’s a good idea to survey your ground before you start work. Usually, it’s best to hire a professional to conduct this inspection. Once you’ve determined what you need, it’s time to get prices from builders and compare them. You can save money on the bottom line by comparing the same company’s quotes.
The best conservatory foundations are firm, secure and damp proofed. They must also be insulated to meet recognised standards. This is because a conservatory is an extension of a building. You need to be able to enjoy the conservatory without worrying about it getting wet. It’s also wise to have your ground checked for drains and trees that may be nearby.
The size of your new conservatory will affect the required depth of foundations. A small uPVC model may be able to get away with a footing as shallow as 39cm, while a large brick-based structure may need a footing a good deal deeper.
The depth of your foundations will dictate the weight that you’re able to construct. This is because a well-built structure is only as stable as its foundations. You should ensure your foundations are the best they can be to avoid problems in the long run.
The best way to do this is to get a quote from several builders. If you can, try to see how they handle groundwork, as up to three-quarters of the total cost of your conservatory will be spent on the ground.
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