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Structural Calculations for New Build Properties

Building a new home offers greater flexibility in design and construction compared to modifying existing structures. At Beam Designs, we provide comprehensive structural calculations for new build dwellings, ensuring your project is safe, efficient, and fully compliant with building regulations.

New Build

Complete Structural Support from Foundations to Roof

Our structural calculation packages cover every aspect of your new build, including:

  • Foundations – Designed to suit ground conditions identified in your Site Investigation report.

  • Floors & Walls – Load-bearing assessments to ensure structural integrity.

  • Roof Structures – Optimised designs for strength and stability.

Precision & Compliance with AutoCAD Drawings

We provide detailed AutoCAD drawings and structural details as part of our new build package, ensuring clarity for builders, architects, and Building Control approval.

How We Work

Simply email us a PDF copy of your architectural plans, measured survey sketches (in a recognised scale), or AutoCAD drawings. Our team will review your project and provide a competitive quote for bespoke beam calculations tailored to your new build project.

Single Beam Design

only

£85

Two Beam Designs

only

£150

Three Beam Designs

only

£220

Loft Structural Calculations

from

£550*

Home Renovation Structural Calcs

from

£POA

Extension  Structural Calcs

from

£POA

*Prices are for guidance only. Final cost depends on the scope of work, site size, and location.

Structural Calculations for Loft Conversions, Extensions & New Builds

Loft Conversion

Loft Conversion Structural Calculations

 

Our loft conversion structural calculation packages include everything needed for Building Control approval, material ordering, and builder reference. Simply provide architectural plans or a measured survey, and we’ll handle the rest.

Our calculation pack includes:

  • Steel beam calculations for loft extensions and roof support, including padstone/bearing plates, splice calculations, and fabrication details

  • Floor joist calculations, including trimming joists

  • Rafter and roof modification calculations

Home Extension

Structural Calculations for Home Extensions

A home extension is a great way to add space—whether it’s a larger kitchen, additional bedrooms, or an open-plan living area. Our team provides precise structural calculations for extensions, ensuring compliance with Building Control regulations.

We offer:

  • Steel beam calculations for single and double-storey extensions

  • Load-bearing wall assessments and modifications

  • Foundation and floor structure calculations

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New Build Structural Calculation Packages

For new build dwellings, we offer comprehensive structural calculation packs to support your Building Control approval. All we need is your architectural plans and Phase 2 site investigation report.

 

Our full new build calculation packages include:

  • Foundation calculations

  • Masonry or timber-framed wall calculations

  • Floor calculations

  • Roof calculations

We deliver reliable solutions for residential developments, extensions, and internal alterations

Structural Calculations Suitable for Part A Building Regulation Submissions

Download Beam Design's sample structural calculations report suitable for building control

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40+

Backed by over 40 years of structural engineering experience

50+

Team members enabling engineering across the UK

1000+

Residential, commercial & industrial projects nationwide

1

quick and easy online structural calculations service

What Our Clients Say

A Fair Price

Always helpful, punctual delivery of designs & at a fair price. A pleasure to be associated with Beam Designs.

Brooks Building Plans

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Helpful and Efficient

Beam Designs have been working on my projects for over 8 years, they are extremely helpful and efficient in finding cost effective structural solutions to my architectural projects.

Tony Angeletta Architect

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Cannot Fault their Service

I have worked with Beam Designs for a couple of years now and cannot fault their service. They are always happy to help and I look forward to working with them going forward.

Steven C.

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This is a very reliable & professional…

This is a very reliable & professional company with excellent service and very prompt in providing assistance !

L.Bin

Rating

Beam Designs A+

I have used Beam Designs on many projects and on each time they have delivered both in quality and costs. They always happy to help with any queries. I would highly recommend.

Bobyas

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Professional & Knowledgeable

I couldn't be more happy with the service received from Beam Designs. From start to finish, their team was professional, knowledgeable, and attentive to every detail.

Mr. J. Snitzer

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Practical, Cost-Effective

Finding a structural engineer who truly understands the needs of our community isn’t easy, but Beam Designs does exactly that. Their experience with local properties and commitment to delivering practical, cost-effective solutions makes them the go-to choice for structural desig

S. Oppenheimer

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Smooth & Stress-free

After researching several companies for our loft conversion project, we decided to go with Beam Designs, and we're so glad we did. Their expertise in structural engineering and their solutions made the entire process smooth and stress-free. 

M.Reece

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Incredibly Easy

Beam Designs made the experience of a loft conversion less stressful. They provided a design which ensured it was structurally sound and compliant with all regulations.

T.Syed

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Get Started with your Construction Project

Join the countless satisfied clients who have entrusted Beam Designs with their structural calculations.

Frequently Asked Questions

  • Who are Beam Designs?
    Beam Designs is a low-cost, online structural calculations service. We are backed by structural engineers, supporting clients' projects across the UK. Our structural calculations are suitable for building control.
  • How do I start using Beam Designs services?
    To start using Beam Designs services, simply use our contact form to upload your project details. Alternatively, you can email our team at info@beam-designs.co.uk
  • How much does Beam Designs service cost?
    Beam Designs provides cost-effective structural calculations suitable for Building Regulation Submission. Prices start from £85.
  • How can I contact your team?
    Beam Designs is a web-based, online service. To contact a member of our team, please use the website contact form. Alternatively, email info@beam-designs.co.uk and we will get back to you as quickly as possible.
  • How is your structural calculations service low cost?
    We are a web-based, online service. This allows us to keep our costs low and means that we can deliver a cost-effective service for our clients.
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