Source: https://www.quantsurv.com/library/tools/drawing-revision-comparison
Content format: Markdown version of the public page.
Content reviewed: 2026-10-14

# Drawing revision comparison

Trace a drawing change from the agreed baseline to its instruction, measured difference and commercial record.

by [Jack Butler-Kettle](<https://www.quantsurv.com/about#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.

[Download blank Excel workbook](<https://www.quantsurv.com/downloads/library/drawing-revision-comparison.xlsx>)

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 revision comparison: completed fictional example
| 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](<https://www.quantsurv.com/variations/tips/revised-drawings>) for the context and checks behind this template.

If you need help preparing or reviewing the project records, our [quantity surveying services](<https://www.quantsurv.com/quantity-surveying>) explain the tasks available under a separate appointment. Agree the deliverable, responsibilities and required specialist input before work starts.

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