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Builder Quoting Secrets: How to Quote Renovations and Extensions

Quoting building jobs is complex. Learn how to quote renovations, extensions, and new builds with detailed scope breakdowns that win work.

17 January 20266 min read
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Building quotes are the most complex in the trades.

Multiple stages, subcontractors, materials, and unknowns.

But the builders who win work consistently have one thing in common: clear, detailed quotes.

Why building quotes fail

  • **Vague scope** — customers don't understand what's included
  • **Missing items** — forgotten stages or materials
  • **No exclusions** — scope creep destroys margins
  • **Slow turnaround** — customers choose faster responders

How to quote building jobs that win

1. Break the job into stages

  • Demolition and site prep
  • Structural work
  • Rough-ins (electrical, plumbing, HVAC)
  • Plastering and finishing
  • Final fit-off

2. Itemise materials and labour separately

Customers trust itemised quotes more than lump sums.

3. Write clear exclusions

State what's NOT included:

  • Council approvals
  • Engineering
  • Landscaping
  • Painting (if separate)

4. Include assumptions

  • Access conditions
  • Working hours
  • Site facilities

The fastest way to quote building jobs

Instead of spending days on quotes:

  1. Describe the job scope
  2. Let AI structure the quote
  3. Review and adjust
  4. Send a professional PDF

Quote building jobs faster → [Try QuoteOS for Builders](/trades/builders)

Next step

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