Drawing revision comparison
Trace a drawing change from the agreed baseline to its instruction, measured difference and commercial record.
by Jack Butler-Kettle · About 2 min readShare
How to use it
Compare the same area and scope in both revisions. Identify changes individually instead of treating the whole revision as additional work.
Drawing revision comparison
Compare the same area and scope in both revisions. Identify changes individually instead of treating the whole revision as additional work.
Free blank template for your own project. The completed example is shown below. No email address required.
View the completed example
Completed fictional example
Westhaven refurbishment · 14 October 2026 · Version 1.0
Drawing revision comparison
Scroll across if needed to read the whole record. A dash means no value has been entered.
| Drawing / area | Baseline | New revision | Measured difference | Authority | Commercial reference | Action |
|---|---|---|---|---|---|---|
| P-104 / Level 1 | C / 30 Sep | D / 7 Oct | Relocate 12 m partition; omit 40 m² and add 80 m² | I-07 | CH-07; £3,200 submitted | Confirm time effect with planner |
| P-108 / corridor | A / 30 Sep | B / 9 Oct | Add four access panels | I-08 | CH-08; £720 agreed | Record installed quantities |
The completed example uses fictional people, events and records. Replace it with your own verified information and preserve supporting evidence.
Understanding your results
The completed example uses fictional people, events and records. Replace it with your own verified information and preserve supporting evidence.
How it works
The workbook provides blank working records. Grey cells calculate from the entered inputs; yellow cells are for your information. The completed example stays on this page.
Read the related guidance for the context and checks behind this template.
If you need help preparing or reviewing the project records, our quantity surveying services explain the tasks available under a separate appointment. Agree the deliverable, responsibilities and required specialist input before work starts.