The Case for Allocation Sheets
With typical construction profit margins of 3-5%, you cannot afford to guess where your money is going. Allocation sheets provide the visibility that separates profitable projects from commercial disasters.
1. Financial Transparency
Allocation sheets prevent unexplained cost overruns. They track personnel hours by trade, material expenses by work package, equipment usage by location, and subcontractor costs by scope.
One project saved approximately £150,000 through proper cost allocation. The savings came not from working harder, but from seeing where money was actually being spent and addressing the leakage.
2. Data-Driven Decision Making
Subjective progress assessments are unreliable. Teams naturally overestimate completion and underestimate problems. Allocation sheets provide objectivity.
Actual productivity rates, resource consumption data, and measurable progress metrics support variation claims in ways that opinions never can.
3. Early Problem Detection
Allocation sheets reveal emerging issues before they become project failures:
- Declining productivity on specific activities
- Excess material consumption
- Unbalanced resource distribution
- Idle equipment costing money
Early detection means early intervention. By the time issues show up in monthly reports, the damage is often irreversible.
4. Competitive Tendering Advantage
Contractors using historical allocation data from previous projects gain significant advantage over competitors relying on industry averages or estimates.
You can price accurately because you know what activities actually cost, identify risk because you understand where variance typically occurs, and commit confidently because your data backs your position.
5. Claims and Variations Support
Detailed allocation records provide contemporaneous evidence for dispute resolution. One Cumbrian contractor reportedly recovered approximately £400,000 using allocation documentation.
The documentation demonstrated client-caused delays affecting productivity across multiple trades. Without detailed allocation records, that recovery would have been impossible.
What Good Allocation Sheets Capture
Effective allocation sheets record:
- Who worked where, for how long
- What materials were consumed
- Which equipment was used
- What activities were progressed
- Any disruptions or delays encountered
The key is consistency. Partial data creates false confidence. Complete data enables genuine insight.
Implementation Reality
Allocation sheets require discipline: someone completes them daily, the data stays accurate, and the system stays accessible.
Many contractors attempt allocation tracking and abandon it within months. The ones who persist gain cumulative advantage that compounds over time.
The Cost of Not Tracking
Consider what you do not know without allocation sheets:
- Which activities consume more resources than planned?
- Where is equipment sitting idle?
- Which crews outperform others?
- What is weather actually costing?
The answers exist in your project. Allocation sheets make them visible.
Key Takeaways
- An allocation sheet is the labour and plant record. Without it, Defined Cost is attendance.
- Write it that shift and keep it with the site diary.
- Rosie reads those lines against NEC4 so a missing hour is found before the assessment.
Gather turns your site diaries into commercial evidence and flags compensation events before the eight week time bar closes. Book 15 minutes and see it run against one of your own projects.
Book a 15 minute demo


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