Cost: load-bearing wall opening
The price covers a structural alteration, not merely beam supply. Separate assessment, permanent work, temporary stability and making good. Tie the offer to the drawing revision and assumptions used.
Editorial update on 19 September 2026
Identify pricing stage
Separate an initial budget allowance from a design-based offer. State included investigations, design work and unresolved decisions. Do not present assumed supports as verified quantities.
Compare complete load transfer
Detail supply, handling, installation, supports, strengthening, system protection and temporary works. Compare the same clear passage and drawings. A flat surcharge per floor does not describe the calculation.
Specify finishes and exclusions
Define floor, ceiling and paint repairs, equipment relocation, waste and cleaning. State taxes, exclusions, visits and changes for discoveries. Tie scheduling to design, supplies and checks.
The three budget levels
Where your money goes
- AssessmentOn quotationSurvey, calculation and documents.
- Temporary worksOn quotationStability and organisation.
- Permanent worksOn quotationLoad transfer and supports.
- CompletionOn quotationServices, checks and finishes.
What makes the price vary
Building
Condition and loads.
Passage
Location and desired width.
Supports
Load transmission.
Site
Access and safe stages.
Indicative scenarios
No grant is deducted from the budget shown here. If a quote mentions support, request the exact scheme and confirmation of your eligibility before including it in financing.
Frequently asked questions
Can every wall be opened?
Feasibility needs assessment; assuming more expensive strengthening cannot guarantee it.
Buy the beam before assessment?
Approve the solution and execution documents before ordering dimension-dependent components.
Is the property manager’s agreement enough?
Check required private decisions and municipal procedures separately.
Does assessment guarantee an unchanged budget?
No. Define assumptions, investigations and how discoveries will be handled.
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