Structural Engineering
for Residential & Commercial Projects
From residential wall removals and extensions to steel fabricator engineering packages — ProStructural Design delivers fast, practical, PI-insured structural engineering across Kent, South East London and Essex.
for Homeowners & Builders
Wall Removal & Load-Bearing Calculations
Thinking of opening up your ground floor or removing a partition? We calculate the correct beam size, padstone requirements and provide a full structural report for building control sign-off.
Get a quote →Chimney Removal & Breast Removal
Removing a chimney breast affects the structural integrity of your home. We design the support steelwork, specify the correct needling arrangement and provide full calculations for building control.
Get a quote →House Extensions
Single storey, double storey, wrap-around or over-structure extensions. We design the structural frame, foundations and connections — everything your architect and builder needs to get started.
Get a quote →Loft Conversions
Loft conversions require careful structural design to support new floor loads and maintain roof stability. We provide full structural calculations, ridge beam sizing and building regs documentation.
Get a quote →Structural Reports & Surveys
Buying or selling a property and need a structural opinion? We provide professional structural reports covering cracking, movement, subsidence concerns and general structural condition assessments.
Get a quote →Building Regulations Calculations
Full structural calculation packages prepared to UK Building Regulations standard — covering beam design, foundation sizing, load paths and connection details, ready for building control submission.
Get a quote →Also Working With Steel Fabricators
ProStructural Design is one of the few structural engineering practices that bridges both residential and commercial fabrication work — with real experience from inside a steel fabrication company.
View Fabricator Services →for Steel Fabricators
Steel Connection Design
End plate connections, base plates, fin plates and moment connections — fully calculated to Eurocode 3 with clear details your shop floor can work from directly.
Learn more →General Arrangement Drawings
Coordinated GA drawings showing structural layout, member sizes, levels and grid lines — produced to building control approval standard without confusion.
Learn more →Full Structural Calculations Package
Beam sizing, load analysis, member checks and connection calcs — formatted for building control submission with everything the inspector needs to sign off first time.
Learn more →Portal Frame & Industrial Structures
Design of portal frames, industrial sheds, mezzanine floors and warehouse structures. Practical, efficient designs that minimise steel tonnage without compromising performance.
Learn more →Building Regs Sign-Off Support
We liaise with building control on your behalf and provide the full technical documentation required for approval — taking that back-and-forth completely off your plate.
Learn more →Ongoing Engineering Partnership
For fabricators with a regular flow of projects — priority turnaround, consistent engineer contact, and pricing structured around volume. Call us to discuss an arrangement.
Learn more →Simple Process,
Fast Turnaround
We keep things straightforward — no long waiting lists, no chasing admin teams. You deal directly with the engineer from first contact through to sign-off.
Most residential jobs are quoted the same day. Fabricator packages are typically turned around within 48–72 hours depending on complexity.
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1Send Us Your Brief Drawings, photos, or just a description — we work with whatever you have at enquiry stage and ask the right questions.
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2Fixed Fee Agreed Upfront We confirm scope and a fixed fee before starting. No hourly surprises. Usually confirmed same day for residential jobs.
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3Design & Calculations Produced Full structural calculations, drawings and reports — all produced to building control submission standard by a qualified engineer.
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4Delivered & Signed Off We handle building control queries directly and remain available throughout the build if anything needs clarifying on site.
Ready to get started?
Send us your drawings or give us a call. We'll come back with a fixed fee and turnaround time — usually the same day. No obligation whatsoever.
07774 640 260 info@prostructuraldesign.comSend Your Drawings →
- Structural calculations — full load analysis and member checks to Eurocode standards
- GA and connection drawings — annotated, referenced, ready for building control
- Engineer's design certificate — signed and confirming UK Building Regulations compliance
- PI insurance certificate — available on request for any project
- Direct engineer access — speak to the engineer, not an admin team, throughout
- Building control support — we handle queries directly so they don't land back on you
What is a structural engineer, and why do I need one for my project?