Home / Services / Preliminary Estimates
Preliminary Estimates

Preliminary Estimate Services for Early Design Stages

Conceptual and preliminary cost estimates from early drawings, so owners and designers can compare options and keep the project on budget as design develops.

Early Estimates

Cost Guidance While the Design Is Still Flexible

The cheapest time to change a design is before it is finished. A preliminary estimate puts a realistic price on early drawings, usually at the concept, schematic or design development stage, while there is still room to adjust size, systems and materials.

Our preliminary estimate services measure what the early drawings show and fill the gaps with reasonable assumptions based on similar projects. Each assumption is written down so the design team can see exactly what the number includes.

If you want to understand the difference between early and final estimates in more depth, read our guide to the preliminary cost estimate.

Hard hat, blueprints and calculator on a wooden desk
Concept to DDEstimates at each stage
Deliverables

What a Preliminary Estimate Includes

Practical information that helps the team make early decisions.

Stage-based estimate

Pricing matched to concept, schematic or design development drawings.

System breakdown

Costs for structure, envelope, interiors, MEP and site.

Option comparisons

Pricing for alternative layouts, systems or materials.

Design contingency

An allowance for details that are not yet drawn.

Written assumptions

Clear notes on quality level, scope and missing information.

Budget check

A comparison with the owner’s target budget, if provided.

Process

How We Prepare a Preliminary Estimate

Built to keep up with a design that is still changing.

Review the design

We study early drawings, program and outline specifications.

Measure what exists

Areas and major elements are measured from the drawings.

Fill the gaps

Undrawn items are priced using benchmarks and stated assumptions.

Report & refine

Results are delivered and updated as the next design stage is issued.

Clients

Who Uses Preliminary Estimates

Architects use preliminary estimates to confirm that the design still fits the client’s budget at each milestone. Owners and developers use them to approve design direction, and design-build contractors use them to agree a target price with clients before drawings are complete.

They are especially useful on projects where funding is fixed, such as public buildings, schools and nonprofit facilities.

ArchitectsEngineersOwnersDevelopersDesign-Build TeamsPublic ProjectsSchoolsHealthcareNonprofitsMixed-Use
Design Stages

Estimates at Each Stage of Design

Estimate detail grows as the drawings become more complete.

Concept stage

Area-based pricing with major allowances, used to test feasibility.

Schematic design

Major systems are measured and priced to confirm direction.

Design development

Most elements are quantified, with smaller allowances for details.

Construction documents

The estimate becomes detailed enough to check bids against.

Value engineering

Options are priced to bring the design back to budget if needed.

Bid comparison

The final estimate helps judge whether contractor bids are fair.

Why Choose Us

Why Design Teams Use Our Preliminary Estimates

◐

Early warnings

Spot budget problems while changes are still easy.

✎

Clear assumptions

Every allowance and assumption is documented.

↻

Stage updates

Estimates updated at each design milestone.

FAQ

Preliminary Estimate Questions

Answers for architects, owners and developers.

What is the difference between a preliminary and a detailed estimate?

A preliminary estimate is based on early, incomplete drawings and includes allowances. A detailed estimate prices complete drawings item by item.

How detailed do my drawings need to be?

Concept sketches are enough for a first estimate. More detailed drawings produce a tighter cost range.

Can you update the estimate at each design stage?

Yes. Many clients order an estimate at schematic design and update it at design development.

Do you help with value engineering?

Yes. We can price alternative materials and systems to help bring a design back within budget.

Related Services

Related Services

Working on an Early Design?

Send what you have, even concept sketches, and see where your design stands against the budget.

logo

Let us help you get your project started

Quote request sheet MEGA / EST / 2026

01 Project

02 Drawings

Upload plans
PDF, DWG, ZIP, XLSX or images. Max 20MB per file, up to 5 files.

03 Contact

Your drawings stay confidential. We never share your details with third parties.

logo

Let us help you get your project started

Quote request sheet MEGA / EST / 2026

01 Project

02 Drawings

Upload plans
PDF, DWG, ZIP, XLSX or images. Max 20MB per file, up to 5 files.

03 Contact

Your drawings stay confidential. We never share your details with third parties.