Finishing Bills of Quantities: Items, Units and Exclusions

Two quotations for the same apartment can have very different totals. That does not, by itself, tell you which is better. One may include materials and installation while the other covers labour only. Even when both name the same material, their specifications and preparation work may differ.

A bill of quantities helps turn a comparison of totals into a comparison of defined work. It does not replace design, specifications or a specialist's review. This guide explains how an owner can read a schedule and ask useful questions. It does not prescribe one measurement method for every contract.

What is a bill of quantities?

RICS NRM 2 describes a bill of quantities as a list of work items with identifying descriptions and quantities. It explains its role in tender preparation and cost management. We use that general principle here. We are not saying that this UK practice information is mandatory in Egypt or that Al Mansour adopts it as a contractual standard.

A useful schedule answers two separate questions: what work is required, and what quantity will be priced? The price also depends on the specification, responsibility boundaries and agreed terms.

Read the description before the rate

“Porcelain flooring” is not enough detail to compare two quotations. Ask which areas it covers, what material or specification level is intended, and whether supply, installation, substrate preparation, adhesive, joints, skirtings and transport fall within the item. These are questions to clarify, not inclusions to assume in every proposal.

Likewise, two offers for “complete painting” are not necessarily equivalent. Identify the surfaces, preparation work, product or agreed specification level. If a design choice is still open, make its pricing effect visible rather than hiding it inside a broad description.

Columns that make a schedule easier to read

An owner's comparison sheet can include:

• Item reference and location: a code and the room or area concerned.
• Description and reference: the work, material and scope boundaries, with drawing or specification references where available.
• Unit: the agreed basis on which the item is measured.
• Quantity: its source and whether it is firm or estimated.
• Unit rate and item total: with taxes or charges identified as the quotation provides.
• Inclusions and exclusions: what each party supplies or carries out.
• Open decisions: choices still required and who will make them.

This is a suggested way to organise a comparison, not a ready-made contract. A suitable specialist should check the format and measurement basis for the project.

Why units and quantities matter together

Do not compare rates expressed in different units. Nor should you assume that a property's floor area equals the quantity of every finishing item. Refer back to the drawings, measurements and item descriptions. Ask how the quantity was calculated and what the rate includes.

Where a quantity is provisional, establish how it will be checked during the works and how any difference affects payment under the agreement. NRM 2 distinguishes firm and approximate bills, but their contractual effects must not be imported into your project by assumption. Your own documents need to explain the nature of the quantities and the adjustment process.

An explicit exclusion is better than an assumption

Keep a separate list of work not covered by the price. Who buys the material? Who transports and stores it? Who removes waste? Does an item include removing existing work and associated repairs, or only the new installation? Where does another contractor's responsibility begin?

If something is “at the owner's expense,” define it. Buying a product is not necessarily everything needed to install it. The aim is not to force every quotation to include everything. It is to avoid discovering a cost whose place in the project was never understood.

A comparison example without invented prices

Suppose one proposal says “install flooring” and another says “supply and install flooring.” Before treating them as equivalent, clarify the material specification, unit, quantity, preparation and finishing boundaries. Mark each part of your comparison as matching, different or needing clarification. Do not fill a missing answer with a guess.

Repeat this for the items that affect the decision. Once the scope is aligned, or its differences are recorded, comparing totals becomes more useful. Reducing the proposals to a price per square metre before that step can hide differences in materials, work and responsibility.

Managing changes during the works

Keep a dated version of the schedule and the drawings on which it depends. If a material, quantity or scope changes, record the proposed change, its reference and its cost and schedule effects. Follow the agreed approval process before carrying it out.

Do not silently overwrite the original item or rely on scattered messages that cannot be traced back to the quotation. A change record is not a promise that every change can be made. Technical review or coordination with other work may be needed.

Questions before accepting the schedule

1. Can every item be linked to a clear location and description?
2. Are supply, installation and the parties' responsibilities understood?
3. Is the quantity basis and review method clear?
4. Are undecided materials and selections visible?
5. Are exclusions and charges stated rather than assumed?
6. Is there a defined process for changes and document versions?

Frequently asked questions

Is a bill of quantities the same as a specification?

It describes items and quantities and may refer to more detailed specifications and drawings. Do not assume it replaces those documents if it does not fully define the work.

Is the total price enough to compare offers?

Totals are useful after differences in scope, specification and responsibility are understood. A number alone does not show whether both proposals cover the same work.

Who sets the measurement method?

The project agreement should state it, with review by the appropriate specialist. This article is general reading guidance, not a quantity take-off or contractual advice for an individual project.

Next step

Use the interior finishing service page to help define your project. Prepare your drawings, a description of the existing condition and a list of requirements. When contacting Al Mansour, use that information to begin a clear discussion about scope and specifications, without assuming a price, duration or unwritten commitment.

Sources

• RICS, NRM 2, Detailed Measurement for Building Works, second edition 2021, reissued as practice information in 2022: https://www.rics.org/content/dam/ricsglobal/documents/standards/NRM-2_Oct2022_Update.pdf
• Al Mansour's published interior finishing scope: https://almansourbuilds.com/en/services/interior-finishing.html

Sources reviewed: 4 November 2026. RICS is a UK reference, used here for the general concept, not as a binding Egyptian rule or company policy.