Retaining Wall Calculations
If your project involves changes in ground levels, garden landscaping, or basement construction, retaining wall design is essential to ensure stability and Building Control approval. At Loft Designs, we specialise in structural calculations for retaining walls, helping homeowners, builders, and architects deliver safe, practical, and long-lasting solutions.
What Are Retaining Wall Calculations?
Retaining walls are crucial when supporting soil at different levels, especially in sloped gardens, basement builds, or raised patios. Our retaining wall calculations ensure your structure is safe, stable, and fully compliant with Building Control regulations.
We design for:
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Garden retaining walls
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Driveways and boundary walls
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Basement and below-ground structures
Retaining Wall Calculation Packs
If your project involves changes in ground levels, garden landscaping, or basement construction, retaining wall design is essential to ensure stability and Building Control approval.
Our calculations are suitable for:
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Reinforced concrete retaining walls
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Masonry retaining walls
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Gravity and cantilever designs
Designed for Builders, Architects & Homeowners
Whether you're an architect designing a foundation system, a builder needing calculations for a retaining wall, or a homeowner managing a domestic project, Loft Designs is your go-to partner for retaining wall calculations.
We use advanced structural engineering software and provide clear, buildable solutions that integrate seamlessly into your project.
*Prices are for guidance only. Final cost depends on the scope of work, site size, and location.
Bespoke Steel, Timber & Concrete Beam Calculations For Building Control Approval
Steel Beam Calculations
We provide accurate and fully compliant steel beam calculations to ensure your build is safe, efficient, and approved by Building Control.
Whether you're:
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Supporting a new extension or loft conversion
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Reinforcing openings for windows or doors
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Installing steel beams for open-plan layouts
Our steel beam calculation services are tailored to your specific project, with precise, easy-to-follow designs for builders and architects.
Timber Beam Calculations
Timber is a popular, cost-effective choice for domestic construction, especially in loft conversions, roof structures, and internal alterations. At Loft Designs, we provide accurate and Building Control-approved timber beam calculations to ensure your project is structurally sound from the start.
Whether you’re:
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Constructing timber floors or flat roof structures
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Altering internal layouts with timber supports
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Building a timber-framed extension
We deliver clear, engineer-backed timber calculations in PDF format, ready for submission to Building Control and easy for builders to follow on site.
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Concrete Beam Calculations
Concrete beams are often used where strength, durability, and fire resistance are essential—especially in new builds, basements, and multi-storey extensions. At Loft Designs, we provide accurate concrete beam calculations to ensure structural stability and full Building Control compliance.
Whether you're:
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Constructing reinforced concrete floors or lintels
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Supporting masonry or upper-storey loads
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Designing bespoke concrete framing for new developments
We deliver clear, engineer-reviewed calculations in digital PDF format, suitable for Building Control submission and contractor use on site.
We deliver reliable solutions for residential loft conversions, attic conversions, home extensions, and internal alterations
Structural Calculations Suitable for Part A Building Regulation Submissions
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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 Loft Designs.
Brooks Building Plans
Helpful and Efficient
Loft 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
Cannot Fault their Service
I have worked with Loft 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.
This is a very reliable & professional…
This is a very reliable & professional company with excellent service and very prompt in providing assistance !
L.Bin
Loft Designs A+
I have used Loft 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
Professional & Knowledgeable
I couldn't be more happy with the service received from Loft Designs. From start to finish, their team was professional, knowledgeable, and attentive to every detail.
Mr. J. Snitzer
Practical, Cost-Effective
Finding a structural engineer who truly understands the needs of our community isn’t easy, but Loft 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 design.
S. Oppenheimer
Smooth & Stress-free
After researching several companies for our loft conversion project, we decided to go with Loft 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
Incredibly Easy
Loft 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
Frequently Asked Questions
Loft Designs is an online service, offering structural calculations for loft conversions across the UK.