Planning a home extension Altrincham project or thinking about a loft conversion? At Structural Engineer Calcs, we deliver Building Control-approved structural calculations designed around your home, from load-bearing walls to full steel beam layouts. Our team provides accurate designs that keep your project safe, compliant and ready for approval, helping homeowners across Altrincham and Greater Manchester complete their builds with confidence and peace of mind.
Altrincham, Greater Manchester
Rear Home Extension and Loft Conversion
Full Detailed Structural Calculations
Building Control Approved with Fixed Fee Service
A carefully planned upgrade combining an open plan rear extension with a loft conversion. More usable space, better daylight and a structure designed for smooth Building Control approval in Altrincham.
Every property in Altrincham has its own character and layout. Our structural designs are shaped around your home, creating safe and efficient solutions for both extensions and loft conversions that blend in perfectly.
Structural planning for large spans, roof lights and wide glazing adds light, comfort and flow throughout your home. The result is more open, energy-efficient living that feels naturally connected to the garden.
Extend the space you already love instead of searching for somewhere new. Create a larger kitchen diner, home office or new loft bedroom while staying in your Altrincham neighbourhood.
A well-designed home extension or loft conversion not only makes daily life easier but can also raise your property’s value and appeal within the Altrincham market.
Planning a home extension Altrincham project or a loft conversion in Greater Manchester. Here is how we move from enquiry to Building Control approval.
Send planning or measured drawings. Clear sketches and photos are fine for an initial review and quote.
We review within 24 hours and confirm a fixed fee, scope and any information needed to proceed.
We prepare calculations, RSJ sizing and drawings ready for submission to Building Control.
We answer Building Control queries, issue reasonable revisions and support your builder through sign off.
“Fantastic experience from the very first call. The team at Structural Engineer Calcs delivered accurate structural calculations for our home extension and loft conversion in Altrincham. Everything was explained clearly, the drawings were spot on, and Building Control signed off without delay. Highly professional and easy to work with.”
Complete structural packages for smooth construction and inspections, ready for Building Control sign off across Altrincham.
Clear load paths with efficient joist and beam layouts so your Altrincham loft conversion is safe, practical and easy to build.
RSJ sizing and bearing checks that unlock bright open plan layouts while protecting the structure of your home.
Accurate steelwork design for wide openings and modern spans, giving clean sightlines and reliable performance.
Complete, Building Control ready documentation for fast approvals across Altrincham and Greater Manchester.
On site structural surveys, feasibility checks and written reports for cracks, alterations and pre-extension advice across Altrincham.
Most home extension Altrincham projects fall between £250–£550 depending on beam spans and complexity. Every job is quoted individually with a fixed, transparent fee.
Yes. Building Control will request structural calculations to show the design is safe and compliant. We prepare calculation packs and drawings for home extension Altrincham and loft conversion Altrincham projects.
Most small to medium projects are turned around quickly once we have your drawings and brief. Tell us if you have a deadline and we will prioritise where possible.
Yes. We can work from planning or measured drawings. If you do not have full plans yet, clear sketches and photos are fine for a quote and early advice.
Your address, drawings or sketches, a short scope description, preferred spans or openings, and any known site constraints. Photos of the existing structure help a lot.
Yes. Our packages are prepared to UK Building Regulations and are issued in a clear format that Building Control can review and approve.
We cover Altrincham, Sale, Timperley, Hale, Bowdon and wider Greater Manchester. If you are a little further, ask and we will advise availability.
Yes. We design steels for knock throughs, rear extensions and large glazed openings, including bearings, padstones, posts and connection details.
We size ridge beams, purlins, trimmers and dormer framing, and we check the floor build up. We also review stair opening trims and practical headroom.
Not always. Many domestic projects are completed from drawings, photos and a short call. If a site visit will add value, we will recommend it.
We provide a fixed fee once we have seen your drawings and scope. No hidden extras. If the brief changes, we confirm any update before proceeding.
Share them with your builder and Building Control. If queries come back, we respond quickly and make reasonable clarifications so the approval runs smoothly.
Click Get Your Free Structural Quote, upload your drawings and tell us what you want to achieve. We will review and reply with a fixed fee and a clear next step.
