Modern loft conversion with glazed gable and roof windows
Foster and Sims Structural Engineers Ltd

Structural Engineering Consultants

Precision Engineering. Personalised Service.

At Foster & Sims, every project is uniquely designed to meet our clients' specific needs — smart, practical, and efficient solutions that stand the test of time.

Over 20 years of experience · Somerset & surrounding counties · LABC Building Excellence Award 2023 Regional Winner

About Us

Built on Expertise. Driven by Relationships.

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.

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

Award Recognition

LABC Building Excellence Awards 2023 Regional Winner

What We Do

Our Services

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.

Modern architectural construction

Comprehensive Solutions

Domestic & Commercial Engineering

Residential Projects

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

Foundation Design

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

Commercial & Industrial Developments

Industrial units · Office buildings · Residential care homes · Barn conversions

Retaining Wall Design

Masonry · Reinforced concrete · Gabion baskets

Structural engineering drawings and reports

Structural Reports for Planning

Class Q Planning Reports · Barn Conversion Reports

FAQs

Frequently Asked Questions

General Questions

What types of projects do you specialise 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?

The team operates primarily in Somerset & surrounding counties, providing structural engineering services throughout 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?

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 personalised quote based on your specific needs.

Get In Touch

Contact Us

Feel free to get in touch with us!

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Get In Touch

We respond to all enquiries promptly. Whether you're at the early planning stage or ready to proceed, we're here to help.

Service Area

Somerset & surrounding counties. We serve homeowners, architects, contractors, and developers across the region.