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Guide

Extensions Using Steel-Frame Construction

Planning a side, rear or upper-level extension with a coordinated steel structure and a careful review of the existing building.

An extension has to work with an existing building, site and pattern of use. Steel framing may be considered as part of the structural solution, but suitability depends on assessment and design.

Upper-level additions need particular attention because loads and connections must be understood in relation to the building below.

Start with the existing property

Available drawings, measured information and investigation help the team understand the present arrangement before proposing the addition.

  • Existing structural system
  • Connection points
  • Access and sequencing
  • Weathering where old meets new

Coordinate the new space

The architecture, frame, envelope and services are developed together so the extension functions as part of the wider property.

Related services

Relevant projects

Practical questions

Is the same solution suitable for every project?

No. Site conditions, the architectural brief, approvals and the existing structure all affect the appropriate solution. Project-specific design and engineering are essential.

Can steel framing be used above an existing home?

It may be an option, but the existing building and proposed load path must be assessed before a solution is recommended.

What information is useful at the start?

Share the plot or property location, available drawings or surveys, and a clear outline of what you want to achieve. Pelasgos can then identify the questions that need professional review.

Next step

Plan your project

Share your site, property or early brief and Pelasgos will help identify the appropriate next steps.

Plan your project
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