Doors & security·Planning worksheet
Door lock replacement: costs and options
Plan new deadbolts, handles, digital locks and rekeying.
BEFORE YOU BEGIN
What shapes the cost?
Lock type, door prep, smart functionality and keys.
Compare identical scopes before choosing a contractor. Ask which preparatory work, materials, disposal, GST and site access requirements the quote includes.
YOUR PROJECT ESTIMATE
Build your budget
Adjust the quantities and unit rates. This is a planning tool, not an installer quote.
Your own estimate · last reviewed 28 October 2026
Basis for the example
No verified national price range has been assigned. Enter your own quote or planning assumptions below.
BETTER QUESTIONS
Ask before you accept a quote.
- Does the quote include lock hardware and installation?
- Is GST included, and is the price fixed or estimated?
- Are removal, disposal, access and making-good included?
- What changes would trigger extra costs, and who approves them?
- What is the warranty on products and workmanship?
THE NEXT STEP
Compare the same job, not just the price.
Record itemised inclusions from at least two quotes, then evaluate differences in quality, warranty, timing and exclusions.
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