Most architecture timesheets fail in the same way. Someone builds a spreadsheet, the team fills it in for three weeks, the entries get thinner, and by month two it is being reconstructed from memory on Friday afternoon. The studio ends up with a document nobody trusts, produced by a ritual everybody resents.
That is a design failure, not a discipline failure. This is how to create timesheets that survive contact with a busy studio: what to record, how to structure them, and — the part that decides everything — how to make them fill themselves in.
Step 1: decide what the timesheet is for
There are three reasons to record hours, and they need different levels of detail. Being honest about which you actually need is what keeps the thing lightweight.
- Billing — hours that map to an invoice or a phase fee. Needs project, phase and a billable flag.
- Capacity — who is loaded and who has room. Needs person and rough daily totals, nothing more.
- Fee management — whether a project type is profitable. Needs project and phase, accurate to the hour, not the minute.
If you only need capacity and fee insight, you do not need six-minute precision. Rough data everyone believes beats precise data nobody does.
Step 2: use the fields that earn their place
Every field is a small tax paid at the moment of entry, and the bill comes due in accuracy. This is the set that almost always pays for itself, and the ones to think twice about.
| Field | Keep it? | Why |
|---|---|---|
| Project | Always | Without it the data answers nothing. |
| Phase | Always | Fees are set per phase, so hours only mean something against one. |
| Task or description | Yes | The difference between 'CD' and 'redrawing the stair for the third time'. |
| Billable flag | Usually | Worth it the moment you invoice hourly or need to see non-billable load. |
| Activity code | Rarely | Detailed taxonomies are abandoned first and analysed least. |
| Notes | Optional | Useful for the odd exception; never make it mandatory. |
Step 3: structure it by phase, not by week
The classic timesheet is a grid of days across the top and projects down the side. It is easy to build and it answers the wrong question. What a studio needs to know is where a project's hours went relative to what its fee assumed — which means the natural unit is the phase, not the calendar week.
Structure the record so that any project can be read as: planned hours for this phase, hours actually spent, and how much of the phase is done. That single comparison is what turns a timesheet from an administrative artifact into something a principal will actually open.
Step 4: separate presence from project time
How long someone was at work and how long they spent on a project are different numbers, and merging them produces a third number that is true of nothing. Keep a simple clock-in and clock-out for presence, and per-task records for project time. Presence tells you whether someone is quietly drowning; project time tells you whether the fee held. Conflate them and a full day at a desk gets billed as though it were all drawing.
Step 5: make it fill itself in
This is the step that decides whether any of the previous four matter. A timesheet that requires a separate app, a project lookup and a form will be filled in from memory, and memory rounds toward whatever feels acceptable. A timesheet that assembles itself from work that was going to happen anyway is simply accurate.
The mechanism that works is tying the clock to task status. When a task moves into In Progress the clock starts; when it leaves, the clock stops. Nobody has to remember a stopwatch, because they were already moving the card to keep the board honest. The timesheet becomes a report of what happened rather than a form somebody completed.
A timesheet nobody has to fill in is the only kind that stays accurate past month two.
Step 6: review it where it changes a decision
Data that is never reviewed teaches the team it was pointless to collect. At the end of each phase, compare hours spent against the fee that was budgeted. Over a handful of projects the patterns arrive on their own: the phase you always underestimate, the client type that eats coordination, the work you should be charging more for. Share that with the team — showing people what their entries actually changed is the most effective adoption tool there is.
The mistake that kills every system
Using the numbers to scrutinise individuals. The moment a team believes hours are being read as a performance metric, entries turn defensive and the data becomes worthless. Point the analysis at projects and phases. When something runs over, that is a scoping and pricing conversation, not a review.
Questions studios ask
What should an architect's timesheet include?
At minimum: the project, the phase, the task, the date, and the hours. Anything beyond that should earn its place — a billable/non-billable flag is usually worth it, a five-level activity code usually is not. The test is whether you will actually use the field when you review the project, because every extra field is friction at the point of entry.
How do architects track billable hours?
The reliable way is to capture hours against the task as the work happens, rather than reconstructing the week on Friday. A timer attached to the task someone is already working on produces honest data as a by-product; a blank grid at the end of the week produces a plausible-looking guess.
Should timesheets be filled in daily or weekly?
Daily, if they are filled in by hand — memory for how a day was spent decays within about 24 hours, and weekly entry is where padding and rounding creep in. If hours are captured automatically as tasks move, the question stops mattering, which is the better outcome.
How do you get architects to actually fill in timesheets?
Make it take seconds, and never use it against an individual. Teams stop filling timesheets honestly the moment they believe the numbers are being used to judge them rather than to price projects. Point the reporting at projects and phases, show the team what it changed, and the resistance largely disappears.
Doing this in Spreadbox
Spreadbox implements the version described above rather than asking you to build it. Per-task timers follow task status, so hours are captured as a by-product of moving work across the board. A separate day clock-in and clock-out records presence without conflating it with project time. Every project carries the hours it was planned for, and the timeline shows tracked hours against that plan, so a job drifting past its fee is visible while there is still time to react. Cost figures sit behind a separate permission, so hours can be shared with the whole team without exposing salaries.