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About Foster & Sims Structural Engineering Consultants

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At Foster & Sims Structural Engineers, we believe that exceptional engineering starts with a personalised approach. Every project is uniquely designed to meet our clients’ specific needs, ensuring smart, practical, and efficient solutions that stand the test of time.


With over 20 years of experience in the construction industry, we collaborate closely with architects, contractors, and homeowners to deliver structural designs that blend precision, functionality, and affordability. Whether you're renovating, building from the ground up, or tackling a structural challenge, we provide guidance tailored to your vision.


Our reputation is built on lasting relationships, with a large portion of our work coming from repeat business and trusted partnerships with industry professionals. For one-off projects, we are committed to offering an approachable and professional service, ensuring every client receives  engineering solutions with a personal touch.


Why Choose Us

  • Technical expertise grounded in practical insight
  • Proven track record in both residential and commercial sectors
  • Responsive, collaborative approach that puts clients first
  • From initial concept to site execution, we offer clear, compliant, and buildable solutions

Contact us to learn more

Our Services

Home Renovation, Extension

Foster & Sims Structural Engineers Ltd provides structural engineering design services for both domestic and commercial projects. With a commitment to precision and innovation, we offer a comprehensive range of solutions.


We provide consulting services to architects, contractors, and developers on a wide range of structural engineering issues. 


At Foster & Sims we offer services but not limited to the following:- 

Steelwork Design

Residential Projects, including

  • House extensions
  • Loft conversions 
  • New builds
  • Wall and chimney removal
  • Internal alterations 

Foundation Design

Foundation Design Tailored to Site Conditions, including:

  • Traditional pad and strip footings
  • Raft foundations
  • Piled foundations with suspended ground beams
  • Underpinning works
  • Solutions for foundations near trees, drains & boundary walls

Industrial Units

Commercial and Industrial Developments

  • Industrial Units
  • Office Buildings
  • Residential Care Homes
  • Barn Conversions

Retaining Wall Design

Retaining Wall Design

  • Masonry
  • Reinforced Concrete
  • Gabion Baskets

Planning Reports

Structural Reports for Planning

  • Class Q Planning Reports
  • Barn Conversion Reports

FAQs

General Questions

What types of projects do you specialize in?
We focus on domestic and small commercial projects, including house extensions, loft conversions, structural alterations, and foundation design.


Who do we work with?
We work directly with homeowners, contractors, developers, and architects, offering tailored solutions to meet individual project needs.


What areas do you cover?
Our team operates primarily in Somerset & surrounding counties, providing  structural engineering services across the region.


Structural Engineering Services

Do I need a structural engineer for my home renovation?
Yes, if your project involves removing load-bearing walls, altering foundations, or making structural changes, a structural engineer ensures safety and compliance.


Can you provide structural calculations for building regulations approval?
Absolutely! We supply detailed structural calculations required for building regulations approval, ensuring compliance with UK standards.


Process & Costs

How long does the structural design process take?
Timelines vary depending on project complexity, but most domestic projects are completed within 2–4 weeks.


What information do you need from me to start the process?
We typically require architectural drawings, site details, and project goals to begin designing structural solutions.


How much does a structural engineer cost?
Costs depend on project size and complexity. Contact us for a personalized quote based on your specific needs


Need More Information?

If you have a question not listed here, feel free to contact us—we’re happy to help!

Contact Us

Feel free to get in touch with us!

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