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Structural Engineering

Discover Our Structural Engineering Services

A straight-forward structural calculations service for homeowners.

Ensure your home’s stability with our skilled structural engineers! We handle structural calculations, eliminating the need for external consultations. After the architectural drawings have been creayed, our engineer will, assesses steel requirements for accurate, tailored project quotations.

Collaborating with our experts ensures both design stability and a smoother construction phase.

Our Engineering Process

Architectural Drawings

Before delving into the technical aspects of structural calculations, we create detailed architectural drawings that align with your vision and aspirations.

These drawings lay the foundation for precise structural calculations, aligning every element with your aspirations.

Structural Calculations

Once our architects have crafted your vision into architectural drawings, our engineer steps in to produce precise structural calculations. Armed with the design drawings and the information obtained from our thorough site survey, our engineer ensures that every detail is accounted for in the calculations.

Building Control Submission

Upon completion of the structural calculations, our team organises the submission of the application to building control for their review and approval. Ordinarily, approval from building control is received within roughly 2-3 weeks, at which point you are free to purchase the specified materials for construction works.

Do I need an engineer for my project?

Most residential alteration or extension projects will require the input of a structural engineer. An engineer will specify all of the supporting members used within construction including :

  • Load Analysis

    Load Analysis: Engineers evaluate the loads that the existing and proposed structures will bear, including dead loads (permanent fixtures), live loads (temporary loads such as
    furniture and people), and environmental loads (wind, snow, etc.).

  • Structural Members Sizing

    Structural Members Sizing: Calculating the size and dimensions of structural members to ensure they can safely carry the anticipated loads. This will include steel beams, columns timber joists and rafters and lintels.

  • Connection Details

    Connection Details: Specifying how different structural elements will be connected to ensure stability and load transfer between the existing and new portions of the building.

  • Foundation Design

    Foundation Design: In certain situations the foundations will need to be designed by a structural engineer. This includes designing a foundation that provides sufficient support for the added structure, considering soil conditions, building weight, and potential settlement.

The importance of working with the right engineer

Choosing the right engineer is paramount, as it directly impacts construction costs and overall project efficiency.

Some may go for cheaper options, but we focus on expertise rather than cutting corners. Our experienced engineers prioritize accuracy and efficiency, avoiding the mistake of over-specifying requirements.

We’re committed to providing an engineer who understands the balance between structural integrity and cost-effectiveness. By specifying only what’s necessary, our engineers contribute to a smooth construction process, ensuring good results without unnecessary expenses.


We’ve got them covered!

Our clients say it best

Here’s what some of our customers say:

Extension Plans UK are competitively priced and their staff are really knowledgeable and helpful. Although they offer a fixed price service, Mackenzie, the administrator for our project, and the architects Kamila and Berkay, spent a lot of time with us. Kamila and Berkay listened to our ideas and talked through the details of the design and the construction. They took everything we had said into account and designed a scheme that gave us everything that we wanted. All the staff at Extension Plans UK were easy to contact and very helpful so we felt well supported through the whole process.

First floor addition

Highly recommend! Great service from start to finish. Had Extension Plans UK interior design department draw up some plans for my dated living room and bedroom and made a massive difference!
Ella was polite and professional throughout, quick with replying to emails and very helpful. Can’t recommend them enough!

Interior design service

I am delighted and pleased with the service provided by Extension Plans UK Limited. I contacted the company because I needed to relocate my Kitchen. I also wanted to build an outbuilding garden family shed. The Architectural team kept me informed throughout the whole process. The company’s Architectural team were always available to answer any question, reply to emails, and assisted me with Architectural drawings, drawings Alterations, and Council Application drawings, Party Wall Notices. Philip Jennings and Kate Haughton were very helpful and patient enough to guide me throughout the various processes. I would highly recommend Extension Plans UK Limited

Rear extension and Outbuilding

We used Extension Plans for the renovation of our three bed terraced house, which included a ground floor rear extension and loft. I had originally planned to go with a much more expensive architect but opted for Extension Plans to keep costs down. I’m glad I did because they did exactly what we needed them to. Created the plans, building regs drawings, structural calculations, party wall notices all on time, handled the relevant applications and calculatio I on time, ho dled the relevant answered all my questions. Also introduced us to a bunch of builders via a couple of tender platforms. No surprises and very straightforward. Thanks to Kamila, Mackenzie, and Cameron.

Renovation, rear extension and loft conversion

I can’t rate Extension Plans highly enough. They definitely exceeded my expectations. Initially I was unsure to use their service as their approach is so different to a traditional architect. But Philip explained EPs approach so easily and provided me with the comfort I needed to select them for my extension project. I was also amazed how quickly the team responded to emails. And even when things are unclear it’s simple to call them and they take the time to explain. Even when the Council asked for iterations to the drawings the turnaround was so quick by the team. Can’t thank Philip, Rebecca, Francesca, Joshua, Cameron and the rest of the EP team enough for all their support over the recent weeks and allowing us to build our dream extension.

Double storey side extension

What a fantastic service I have just received from the whole team at Extension plans UK. I needed extension plans drawn up as my husband is disabled and we required a large downstairs bathroom and a re-jig to our kitchen. On first call to Phillip, he explained the best way forward and gave us the heads up on what’s next. Mackenzie then made regular contact keeping us updated with all the procedures needed. Even taking us though permitted development. Natalia drew up the plans, tweaking them to suit our personal needs. Extra wide doors ect, to a high standard. All the staff were very attentive, polite and delivered what we asked for and more. We could not have asked for a better service.

Loft conversion and side extension

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