From small openings to goalpost frames across Birmingham and the West Midlands.
RSJ Design • Birmingham
RSJ Design Structural Engineer in Birmingham
RSJ design Birmingham for wall removals, extensions and loft conversions. We provide steel beam calculations Birmingham and structural calculations Birmingham with fixed fees and fast turnaround, ready for Building Control.
- Chartered structural engineers designing RSJs every day for Birmingham homes.
- Calculation packs that Building Control and your builder can use straight away.
- Optimised RSJ sizes for safe, efficient and cost-effective steelwork.
Serving Birmingham and the West Midlands including Harborne, Edgbaston, Solihull, Selly Oak, Sutton Coldfield, Moseley, Handsworth and surrounding areas.
For most domestic RSJ designs once we have your photos and measurements.
Every set of structural calculations is completed or checked by a Chartered Structural Engineer.
RSJ and steel design services in Birmingham
Focused on the real projects Birmingham homeowners and builders carry out every week.
RSJ beams for open-plan layouts
RSJ design Birmingham for lounge knock-throughs, new kitchen diners and doorway enlargements.
- Single RSJ over a new opening
- Linked beams for larger spaces
- Goalpost frames for wide spans
Steelwork for rear and side extensions
Steel beam calculations Birmingham for single and two-storey extensions, including wide glazed openings.
- Beams over sliding or bi-fold doors
- Steel supporting new floors and walls
- Padstone sizes and bearing checks
Loft RSJs and cranked beams
Structural calculations Birmingham for dormers and attic rooms in Victorian terraces and 1930s semis.
- Ridge beams and purlin support steel
- Cranked beams to follow rooflines
- Checks on existing walls and foundations
Chimney breast removal steel
Safe steelwork when removing chimney breasts at ground or first floor level.
- Beams under remaining chimney stacks
- Load paths checked to foundations
- Notes for a safe removal sequence
Steel posts and padstones
When loads cannot sit on existing walls we design SHS posts, padstones and simple steel frames.
- Posts under RSJs and lintels
- Concrete padstone design
- Simple, buildable connection notes
Structural checks and reports
Ideal when calculations are missing, layouts have changed or a purchase survey has raised questions.
- Checks on existing beams and openings
- Reports for solicitors and lenders
- Support with Building Control queries
Simple four-step RSJ design process
Clear steps from first enquiry through to the final structural calculations Birmingham pack.
Send photos, rough measurements and any plans. A short call helps confirm the layout.
We send a clear fixed fee and scope so you know exactly what is included.
An engineer prepares RSJ design Birmingham checks, including loads, deflection and padstones.
You receive drawings and calculations ready for your builder and Building Control officer.
What Birmingham clients say
Homeowners and builders who needed RSJ design Birmingham that works first time on site.
We removed the wall between our kitchen and dining room in Harborne. The RSJ design and drawings were clear and Building Control approved everything on the first check.
Our builder asked for proper steel beam calculations Birmingham for a rear extension in Erdington. The engineer explained the scheme and the steels fitted exactly as planned.
Loft conversion in Solihull. The team worked with our architect so the cranked beams and ridge steels were right before we started altering the roof.
Frequently Asked Questions
Quick answers to the questions Birmingham homeowners ask about RSJ design and structural calculations.
How long does RSJ design take in Birmingham?
Most RSJ and wall removal calculations are completed within 24 to 72 hours once we have your drawings, measurements and photos. Loft and extension packages usually take five to seven working days.
Do your designs meet Building Control requirements?
Yes. Every project includes full structural calculations Birmingham prepared to current UK standards. We provide a pack your Building Control officer can review and we can help answer any technical questions.
What information do you need for a quote?
We ask for your project postcode, a short description of the work, clear photos and basic measurements of the wall or opening. Any architect plans or sketches you already have are helpful but not essential.
Can you design RSJs from photos only?
Many domestic projects can be designed from good quality photos, measurements and existing plans. Where the structure is complex or unclear we may suggest a site visit before finalising the calculations.
Send your photos and a short description and we will reply with a fixed fee and expected turnaround.
Request an RSJ design quote
Use this form to outline your project in Birmingham or the West Midlands and we will review the layout and confirm the right service and fee.
Tell us about your project
Share a few details so we can prepare the right RSJ design and steel beam calculations Birmingham for your home.
This form sends your details straight to our inbox. A structural engineer will review your information and reply within one working day.

- Head Office: Corwell Lane, Uxbridge, England, UB8 3DE.
- 07359 267907
- info@structuralengineercalcs.com
- Company No: 12653163
