Need an RSJ or extension calculation?
Get it sorted quickly and properly.
Clear, Building Control-ready structural calculations for domestic alterations — explained in plain English. I work remotely UK-wide, with site visits available where needed (additional cost depending on distance/scope).
Note: I provide structural calculations and sketches where appropriate. Architectural drawings (and any detailed construction drawings) are typically provided by your architect/designer or a drafting technician.
Services
Domestic structural calculations and advice for typical home improvement projects.
RSJ / Steel beam calculations
Beam sizing, reactions, bearings, padstones and notes for installation.
Wall removal / knock-throughs
Structural scheme, load paths, lintels/steels, and Building Control-ready calculations.
Extensions & loft conversions
Primary/secondary members, floor and roof supports, posts, connections (as required).
Foundations & strengthening
Simple foundation checks, lintels, posts, and local strengthening details where appropriate.
Builder / architect support
Fast answers, clear notes and practical options to keep projects moving.
Site visits (optional)
Available where needed. Cost depends on distance, access and scope.
Typical prices
Prices are shown as from + VAT and depend on scope, number of beams, complexity, and the information provided. A firm quote is confirmed once drawings/photos are reviewed.
- Beam sizing + reactions
- Padstone / bearing notes
- PDF calcs for Building Control
- Multiple members + load paths
- Post checks (where required)
- Clear notes for installation
- Primary/secondary members
- Floor/roof support checks
- Buildable options explained
Site visits (if needed) are quoted separately based on travel time and scope. Remote work is available UK‑wide.
How it works
Simple process — fast turnaround when the inputs are clear.
Send info
Measured sketch/drawings, photos, and what you’re trying to do (opening size, walls, floors, roof, etc.).
Confirm scope & fee
I’ll confirm what’s included, any assumptions, and agree a fixed quote.
Deliver calcs
You receive a clear PDF suitable for Building Control, with notes that builders can follow.
FAQ
Do you provide drawings?
I provide structural calculations and simple sketches/details where appropriate. Architectural drawings and full construction drawings are usually produced by your architect/designer or a drafting technician.
Will Building Control accept a PDF?
In most domestic cases, Building Control are looking for a clear PDF of structural calculations and notes. If they request anything specific, send me their comments and I’ll help respond.
Do you cover my area?
Yes — I work remotely UK-wide. Site visits are available where needed (additional cost depending on distance/scope).
Contact
Send drawings/photos and a short description of what you need — I’ll respond with next steps.
Call / WhatsApp
If you message on WhatsApp, include your postcode + a couple of photos.
Availability
Appointments / calls by arrangement.
Manchester based • UK-wide remote service.
Trading details: “Building Calcs Guys” is a trading name of ProGenesis Engineering Ltd.