SAB Structural Engineering in Bristol & South West
We offer you a comprehensive range of residential structural engineering services (calculations and drawings) that are individually tailored to your needs, for house alterations, extensions and loft conversions.

Engineering meets innovation
Your reliable partner for high-quality residential projects in the South-West. Whether you're planning a new home or altering an existing property – we're here for you with competitive prices!
We service all areas around and including Bristol (South Gloucester. Winterbourne, Thornbury, Wiltshire, Chippenham, Malmesbury, Weston-Super-Mare and surrounding towns.

Why Choose SAB for Engineering?
5★
Google Rating, where our clients consistently rate us 5 stars for quality, reliability and professionalism.
100+
Projects Completed, which shows we are trusted by homeowners and builders across Bristol and the South West.

"SAB Engineering handled our loft conversion calculations quickly and professionally. Their structural report was thorough, clearly explained, and approved by building control without any issues. Highly recommended!"
James T., Homeowner – Bristol
01
How it Works?
Get in Touch
Contact us by phone or email to discuss your project. We'll ask a few quick questions to understand what you need and provide a free, no-obligation quote and consultation.
02
Review Your Plans & Survey
We review your architectural drawings or visit site if needed. This helps us fully understand the scope and produce accurate, code-compliant structural calculations.
03
Structural Calculations Delivered
We prepare your full structural calculations package, typically within 5-7 working days. All reports are clearly written and ready to submit to building control.
Our services in residential structural calculations are designed to provide homeowners and builders with accurate and reliable assessments for their construction projects, ensuring that all calculations meet the UK building regulations and standards. Whether you're planning an extension, renovation, or new build, we offer tailored solutions to meet your specific needs, ensuring safety, efficiency, and cost-effectiveness in every project. Go to our Services Page for more information!
Our Structural Services at a glance

Calculation Design Pack
- House Extension
- Loft Conversion
- Load Bearing Wall Removal
- Knockthrough Walls
- Garage/Barn Extension
- Foundation Engineering
- Underpinning Design
- RSJ Steel Beam Calculation
- Chimney Breast Removal
- Retaining Wall
- Lintel/Padstone Design
- Bi-folding Door Structural Support Beams
- Roof Design
- Steelwork engineering calculations
- Construction Management & Engineering

Structural Inspection Report
Our visual, non-intrusive inspections provide a detailed assessment of the structural condition and adequacy of load-bearing elements. We identify potential structural issues and offer clear recommendations for rectifying problems or conducting further investigations. If repairs or additional investigations are needed, our report will include practical suggestions to guide you.
Contact Us
For any inquiries or requests, please call us on 07721193090 or email info@sabengineering.co.uk or reach us out by filling out the form below.
Working Hours
- Mon – Fri
- 09:00 – 18:00
- Saturday
- 09:00 – 13:30
- Sunday
- Closed
