Bills of Quantities (BOQs) for Accurate Tender Pricing
Clear, measured BOQs that help contractors price tenders consistently and give clients confidence in the scope and cost of their project.
Thomas Callum Associates prepare detailed Bills of Quantities (BOQs) for construction projects across London and the South East. Our BOQs provide contractors with accurate measured quantities, ensuring tenders are priced consistently and transparently.
Whether you’re a contractor preparing a bid, an architect issuing tender documents, or a homeowner seeking comparable quotes, our BOQs give you clarity, structure and confidence.
Accurate, Measured Quantities for Clear Tendering
A BOQ is one of the most reliable ways to ensure contractors price the same information. Our BOQs break down the project into measured items, giving contractors a clear basis for pricing and helping clients compare tenders fairly.
What Our BOQ Service Includes
Measured Quantities
Accurate measurement of all elements of the project based on architectural and structural drawings.
Trade‑Based Structure
BOQs organised by trade and work section for easy contractor pricing.
Detailed Item Descriptions
Clear descriptions that remove ambiguity and ensure consistent interpretation.
Preliminaries & Allowances
Optional inclusion of preliminaries to support contractor pricing structure.
Alignment with Drawings
BOQs prepared directly from architectural, structural and interior design drawings.
Tender‑Ready Format
Documents formatted for quick contractor pricing and easy comparison of tenders.
Why BOQs Are Essential for Tendering
Comparable Contractor Quotes
Measured quantities ensure all contractors price the same scope, making tenders easier to compare.
Reduced Pricing Risk
Accurate quantities reduce the risk of under‑pricing or over‑pricing.
Clear Scope Definition
BOQs clarify what is included, helping avoid disputes once work begins.
Supports Contractors & Clients
Contractors price more confidently, and clients receive clearer, more transparent tenders.
Improves Project Planning
Measured quantities help contractors plan labour, materials and procurement more effectively.
Who We Prepare BOQs For
Contractors
Accurate BOQs and take‑offs that support competitive, confident tendering.
Architects
BOQs aligned with design intent and technical drawings for tender issue.
Homeowners
Measured documentation that ensures builders price the same information.
Interior Designers
BOQs for fit‑out works, joinery packages and FF&E items.
Developers
Clear, structured BOQs for residential and commercial developments.
Why Choose Thomas Callum Associates?
Accurate & Detailed
Our BOQs are prepared with precision, ensuring reliable quantities for tendering.
Clear, Professional Documentation
Structured, easy‑to‑price BOQs that contractors trust.
London & South East Specialists
We understand regional pricing trends and construction methods.
Supports Confident Tendering
Our BOQs help clients obtain fair, comparable and transparent contractor quotes.
FAQ Section
What is a Bill of Quantities (BOQ)?
A BOQ is a measured document listing all quantities required for a construction project, used to help contractors price tenders consistently.
Do all projects need a BOQ?
Not always — but BOQs are highly recommended when you want comparable contractor quotes or need accurate tender pricing.
Is a BOQ the same as a Schedule of Works?
No — a BOQ includes measured quantities. A Schedule of Works describes the scope without measurement.
Can you prepare BOQs from PDF drawings?
Yes — we can work from PDFs, DWGs or scanned drawings.
Need an accurate BOQ for tendering?
Send us your drawings or speak to our team for a fixed‑fee proposal.