Can I Do My Own Structural Calculations?

Homeowners - Posted on October 30, 2023

Many of the homes and structures you pass each day would not be there without one important thing. This vital aspect of a construction is not, as many may assume, brick and mortar in nature, but a matter of numbers and precise analysis called structural calculations. 

Structural calculations are essential when your project needs to comply with building codes and regulations. They will also help guide a construction, prevent costly mistakes, and ensure long-term structural integrity. 

These essential calculations act as the foundations upon which our modern build environment rests. 

However, despite their importance, it’s common for people to wonder “can I do my own structural calculations?” The reason for this is perhaps understandable. Building projects are often expensive, so ways to limit the overhead costs are often needed, especially if costs are beginning to spiral towards or even past the initial budget set out.

What Are Structural Engineer Calculations?

Structural engineer calculations involve essential computations to guarantee secure support of planned structures/alterations. This ensures stability during construction and use, especially when accommodating occupants in their daily lives. These calculations address a variety of critical factors integral to the safety, integrity, and long-term functionality of a planned structure. They play a fundamental role in the field of structural engineering. 

From a loft conversion or extension to an existing structure, to the development of new build homes, virtually any project will need structural calculations at some point in the process. 

The calculation process should be seen as comprehensive, and must be error-free. Factors that go into a structural engineer’s calculations include: 

  • Project Materials: The selection of materials chosen on a project plays a key role in the calculations. Engineers must evaluate the property, and the characteristics of materials to ensure they can withstand the anticipated stress and loads. 
  • Project Cost Estimates: Approximations of the cost of a project involves not only the materials and labour, but structural considerations as well. Accurate calculations can be vital in the process. 
  • Reinforcements Necessary: In some cases, structural reinforcements may be necessary to ensure a building’s stability and safety. These reinforcements must be carefully calculated and properly integrated into the project’s design. 
  • Risk Assessment: There can be a number of potential risks associated with a project. This includes environmental factors, geological conditions, and the location of the structure itself. This information will inform both the designs and the calculations. 

For more information about what structural calculations are, read our dedicated blog.

Who Typically Does Structural Calculations? 

Structural calculations will typically be performed solely by licensed structural engineers. These engineers have specialised knowledge and training when it comes to designing elements of, and analysing the structural components, of a project. This should ensure that plans are  safe, stable, and capable of withstanding the expected loads and forces. 

An important part of the remit of a structural engineer is undertaking the structural calculations. This work will only be needed after the initial planning stage is over and the plans have been submitted to the local authority for clearance. 

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Can You Do Your Own Structural Calculations?

Structural engineering, including structural calculations, is a complex field that demands years of education, training, and professional experience to master. If you lack the relevant knowledge and experience in the field, it is highly recommended that you do not attempt to do structural calculations for yourself. 

Whether it’s building an all-new home, renovating an existing property, or modifying a basement, comprehensive planning and precise calculations are  imperative. Relying solely on guides and self-study may lead to critical considerations being overlooked. 

When conducting structural calculations, there are a number of important factors that need to be taken into account that a novice may overlook. 

Why You Shouldn’t Do Your Own Structural Calculations 

As covered, “can I do my own structural calculations” is a highly risky question to even consider. While the spirit of ‘doing it yourself’ is often something to be encouraged, when it comes to such fundamental and important parts of the process, it should not be considered. 

There are a number of compelling reasons why you shouldn’t look to take structural calculations into your own hands rather than contact a structural engineer. First and foremost, structural engineering calculations are highly involved, intricate tasks. These calculations require expertise and a deep understanding of the field, two things structural engineers possess thanks to their education and experience. 

Another factor that must be considered is safety and compliance. Structural calculations aren’t merely a matter of crunching numbers — they play a key role in ensuring that a construction project adheres to all safety standards and building codes. 

Any errors or oversights in these calculations can have severe consequences that could impact the project and even the structure itself. While the idea of cutting corners can appear tempting, it often leads to costly mistakes in the long run. 

Regardless of scale or location, construction projects carry a significant responsibility and duty of care and, therefore, should not be entrusted to individuals lacking the necessary experience. 

Inaccurate calculations can result in the need for immediate, often extensive and expensive, rectifications down the line. These rectifications will often far surpass the expense of hiring a qualified structural engineer in the first place. 
Ultimately, with the safety, functionality, and eventual success of a construction in mind, it is advised that you entrust the task of structural calculations to a licensed structural engineer. For assured quality work done properly the first time, contact a specialist today.

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Choose Safety, Choose a Structural Engineer You Can Trust 

Structural engineering is where the complexities of design meet the necessary realities of the physical world. Structural calculations represent the linchpin upon which the safety, stability, and structural integrity of a property and construction project can be built. Their importance cannot be overstated in the realm of construction and engineering. 

These calculations should be seen as an indispensable part of the majority of building projects. Additionally, as highlighted above, if you’re asking yourself “can I do my own structural calculations to cut costs?” It’s important to remember that not only are the calculations pivotal to delivering a project, but, due to the wide range of factors to be considered, they are also highly complex. A dedicated structural engineer is firmly recommended if you want comprehensive, error-free calculations. 

Attempting to perform structural calculations without the necessary expertise, experience, and education of a licensed structural engineer is strongly discouraged. 

Ultimately, the better the structural engineer you have behind you, the more accurate the structural calculations will tend to be. At PorthouseDean, our team of engineers have been working in the industry for a number of years on projects across the country, of all shapes and sizes. 

These past experiences influence the quality and consistency of our offering. 
To learn more about why PorthouseDean is the perfect choice for your structural calculations, explore our range of services, discover our commitment to delivering top-quality work, and much more, please contact a member of our team today.