Free Structural Engineer Quote Template
Structural engineers quote separately from architects because structural calculations are a specialist service with professional liability. A clear quote sets the scope of the structural elements being designed and what inspection visits are included in the fee.
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How does a structural engineer write a quote?
A structural engineering quote sets out the planned work and the fee before it starts, such as a design package, calculations, and a sign-off visit. List each deliverable and whether the fee is fixed or a day rate, and note what site conditions could change. The fee is an estimate until the client accepts it.
Typical line items
- Structural design package (beam sizing, connections)
- Structural calculations report
- Site inspection and sign-off visit
- Survey and condition assessment
- Drawings for contractor and building control
- Specialist analysis (if required)
- Day rate for site attendance
- Contingency for site conditions
How the work is charged
Structural engineers usually quote a fixed fee for a defined design and calculation package, with site visits at a day rate. The figure assumes stated conditions that an inspection can confirm.
Payment terms and deposits
A quote commonly proposes a deposit at appointment, with the balance on delivery of the calculations or after the sign-off visit. The fee holds for a stated period and remains an estimate until accepted.
Tax and compliance
If you are registered for sales tax or VAT, show it as a separate line with your registration number. Building control and approval fees are set by the authority, so confirm what applies to the site.
Frequently asked questions
How much does structural engineering cost for a house extension?
Structural engineering fees for a typical residential extension cost €800 to €2,500. A simple single-storey rear extension with a steel beam sits at €800 to €1,200. A two-storey extension with a complex roof and multiple structural elements costs €1,500 to €3,000. New build homes and larger projects cost more.
What is included in a structural engineer's quote for a renovation?
The quote should specify which structural elements are being designed (lintels, beams, columns, foundations), whether calculations are included, how many site visits are covered, and whether the engineer will sign off for building control. Calculations submitted to building control are a billable deliverable.
When do I need a structural engineer rather than just a contractor?
Any time you're removing a wall (load-bearing or otherwise), adding a floor, changing a roof structure, or building an extension, you need structural calculations. The building regulations authority will ask for an engineer's report. Your contractor can't provide this, and attempting the work without calculations is a building control risk.
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Related quote templates
Read the complete quoting guide to see how to price a job and turn an accepted quote into an invoice.
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