Bill of quantities

The bill is the spine of the job

Enter the priced works once. Every certificate values against these lines and the final account adjusts them, so the structure you choose here is the structure your client sees for the rest of the contract.

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Keep the structure you priced

Enter the bill the way you built it. Sections, subtotals and item order should match the document the client already signed, because the certificate they receive follows the same shape.

A certificate that reads like the bill needs no covering explanation. One that reorders everything generates a phone call every month.

  • Section separators for each element, with their own subtotals
  • Reference, description and contract value on every line
  • Order preserved exactly as you entered it
  • Nothing retyped when you come to value
Bill of Quantities
Priced works
ItemValue
1.00 SUBSTRUCTURE£34,200.00
1.01 Excavation and disposal£12,400.00
1.02 Mass concrete foundations£21,800.00
2.00 SUPERSTRUCTURE£96,400.00
2.01 Brickwork to first floor£12,000.00
Contract sum£219,250.33

Provisional sums and omissions behave differently

Both change the contract sum, and confusing them is how a final account turns into an argument.

A provisional sum is money set aside for work not yet defined. It sits in the bill at full value and you draw it down as the work is instructed and priced. An omission is work the client has removed, and it comes off the contract sum entirely.

  • Provisional sums entered at full value and valued as they are used
  • Drawing down a provisional sum in stages is the case for valuing that line as a fixed sum
  • Omitted work marked rather than deleted, so the record of what was priced survives
  • Both carry through to the final account as named adjustments, not as a changed total
Final Account
Adjustments from the bill
Original contract sum£219,250.33
Provisional sum, drainage: adjusted(£2,400.00)
Omission, external store(£3,150.00)
Variations, approved+£4,240.00
Adjusted contract sum£217,940.33

You do not need all of it to issue this month

This matters when you are moving a job that is already running. A partial bill still produces a correct certificate for the work you have entered.

Put in the sections you are valuing this period, enter what has been certified against them previously, and add the rest as the job goes on. You are not blocked from issuing while you type.

  • Enter previously certified figures per line and carry on from there
  • QScope does not need the history of every past valuation to produce the next one
  • Add sections later without disturbing certificates already issued
  • Subcontract packages priced separately, each with its own retention rate
Bill of Quantities
Partial bill entered
ItemPrev. cert.Value
1.00 SUBSTRUCTURE£30,900£34,200
1.01 Excavation and disposal£12,400£12,400
1.02 Mass concrete foundations£18,500£21,800
2.00 SUPERSTRUCTURE£0£96,400
2.01 Brickwork to first floor£0£12,000
Entered so far£130,600.00

Every certificate values against these lines

The bill is not a document you file once and forget. It is the schedule every interim valuation prices against, line by line, month after month.

Enter the priced works once and the certificate follows the same references, the same order and the same subtotals, so the client reads a valuation that matches the bill they signed.

  • Each line valued by percentage or as a fixed sum on the certificate
  • Section subtotals carried straight from the bill to the certificate
  • No line certified past its contract value
  • Previously certified and this period calculated as you value
Client Valuations
Interim certificate PC-04
DescriptionThis valThis period
Substructure100 %£0.00
Brickwork to first floor40 %£4,800.00
VO-01 Additional window100 %£1,000.00
Gross this period£24,180.00
Less retention at 5%(£1,209.00)
Net due this certificate£14,031.00

Approved variations join the bill as new lines

A variation changes the priced works. Recording it on a note beside the bill is how it goes missing at final account.

Every approved variation carries its own reference and value and prices in the certificate as a normal line, so the bill and the change control tell one story.

  • Additions, omissions and substitutions each marked against the bill
  • Variation value carried through to the adjusted contract sum
  • Basis of valuation and contract clause recorded against every change
  • Certified once inside the valuation, so retention is never missed
Variations
VO-01 Additional window to gable
Basis of valuationContract rates
Contract clauseJCT 5.6.1
Extension of time2 days
Loss and expenseNo
Subtotal£1,000.00
Certified in valuations£1,000.00
Still to certify£0.00
Questions

What surveyors ask before they start

Can I import a bill rather than typing it?

Yes. If your bill is in an awkward format, send it to support and we will tell you the quickest route rather than leaving you to fight it. Either way the sections and subtotals you priced are preserved.

What happens if I correct a contract value after certifying against it?

Lines valued by percentage recalculate against the new value. Lines valued as a fixed sum keep the sum you entered. That difference is the whole point of the fixed setting, and it is why lump sums belong on it.

Should I delete work the client has removed?

No. Mark it omitted. Deleting loses the record of what was priced and then removed, and at final account the client will ask what happened to it. The audit trail is the answer, and it only exists if the line still does.

Do subcontract packages go in the same bill?

No, they are priced separately. Each subcontract carries its own value and retention rate, and the difference between what you certify up and what you certify down is the cash position on the dashboard.

Related

The rest of the commercial picture

Try it on your next valuation

Not your whole portfolio. One live job, one certificate. If it does not save you time the first time you use it, walk away and take your data with you.