Your design is sufficiently developed. Before comparing prices, you need to understand what the construction cost contains.
Corbán’s detailed construction budget organizes quantities, work items, materials, labor, equipment and pricing assumptions into a cost breakdown based on the drawings and information agreed for review.
Before work begins, your proposal states the scope, deliverables, exclusions, responsibilities, review points, fee, schedule and recommended next stage.
It is intended primarily for custom homes, vacation residences, rental villas and selected boutique projects preparing for contractor or construction decisions.
THE SERVICE
Know What Is Being Priced Before You Compare Costs
Detailed Construction Budget turns developed project information into an itemized cost reference. It shows the work being measured, the resources being priced and the assumptions or missing details that affect how the estimated construction cost is read.
You are commissioning professional construction cost estimating—not a builder’s fixed-price offer. The proposal defines the documents, cost categories, pricing basis and detail included in the estimate.
Corbán can help compare contractors later, but preparing the budget does not commit you to that package.
THIS SERVICE IS USALLY APPROPRIATE WHEN
You have drawings and specifications ready for detailed costing.
You want to understand quantities, materials, labor and equipment behind the construction total.
You need a construction cost breakdown before assessing contractor proposals or committing funds.
You want to identify costs hidden by a single overall figure.
You need a quantity takeoff and cost structure at the level supported by the available design.
You want assumptions, allowances and missing information made explicit before the next decision.
KEY BENEFITS
See how the construction estimate is built up rather than just a total.
Identify missing information and the assumptions affecting the price.
Use a clearer cost reference when preparing contractor comparisons.
WHAT YOU RECEIVE
An itemized construction budget at the agreed level
Measured quantities and defined work items
Material, labor and equipment cost components
Pricing assumptions and the estimate reference date
A record of exclusions, allowances and information gaps
Recommendations before contractor or cost decisions
WHAT IT INCLUDES
Service at a Glance
A detailed cost-planning service that translates sufficiently developed drawings and specifications into quantities, work items and an explicit budget structure.
What's Included
Review of the agreed drawings and specifications
Quantity takeoff at the agreed detail level
Organization of construction work items
Material quantities and pricing assumptions
Labor and equipment cost components
Unit prices and cost structure where applicable
Identification of incomplete cost information
Allowances and exclusions clearly identified
Cost basis, currency and reference assumptions
Budget documents identified in the proposal
What's Not Included
A commercial offer from a construction contractor
A guaranteed fixed or final construction price
Architectural design or missing engineering work
A preliminary project feasibility assessment
Detailed scheduling or cash-flow modeling by default
Contractor search, invitations or proposal comparison
Permit processing, legal advice or specialist studies
Construction execution or ongoing budget tracking
Purchasing, supplier contracting or price guarantees
Where This Service Fits
1
Advisory & Feasibility
Clarify whether the property and project are ready to advance.
3
Architectural Design
Develop spaces, circulation, envelope, openings, materials and passive criteria.
5
Pre-Construction Decisions
Prepare for budgeting, scheduling and contractor comparison.
Detailed Construction Budget belongs after the design contains enough information to measure and price the agreed work. When the project is still an idea, Project Feasibility Assessment provides a preliminary reference instead of a detailed estimate.
2
Preliminary Design
Explore the concept, layout, form and initial site relationship.
4
Engineering & Coordination
Develop and coordinate the required technical disciplines.
6
Owner-Side Construction Support
Maintain owner-side visibility during construction.
What We Need From You
SHARE THE INFORMATION CURRENTLY AVAILABLE, SUCH AS:
Location and site conditions
Architectural and engineering drawings
Specifications and material selections
Project scope and approximate area
Available quantities or previous estimates
Existing supplier or contractor quotations
Items supplied separately by the owner
Known exclusions and unresolved choices
Target investment range and cost currency
Current design stage and planned next step
A detailed estimate needs enough design information to measure and price the work. Corbán will flag missing specifications and distinguish identified costs from assumptions or allowances.
BEST FOR
Residential and Selected Boutique Projects
Single-family home
Owners of homes, vacation residences and rental villas needing a detailed cost reference from developed project drawings.
Tourism project
Lodges and small hospitality projects requiring a visible breakdown of building work and construction resources.
Commercial or Mixed-Use
Selected developments needing to understand quantities, cost categories and assumptions before contractor commitments.
RESULTS
A construction cost breakdown you can question, compare and use for the next decision—with quantities, price assumptions and exclusions visible rather than hidden in one total.
WHAT TO CONFIRM BEFORE HIRING
We Answer Your Questions
Are Taxes, Fees and Contingencies Included?
Their treatment is expressly stated. Confirm each category, currency and allowance rather than assuming every cost is included.
Does the Budget Guarantee a Fixed Construction Cost?
No. Design changes, market conditions, site findings and contractor terms can affect the eventual construction price.
What Happens When Drawings or Selections Are Missing?
Corbán identifies the missing information and states any agreed assumptions or allowances. Where an item cannot be priced responsibly, it is left as a documented gap rather than given false precision.
Will You Update the Budget During Construction?
Not under this standalone service. Ongoing cost follow-up belongs in Owner’s Representation or the Owner-Side Construction Package.
Can You Compare This Budget With Contractor Proposals?
Yes, under a separately defined review or the Pre-Construction Decision Package. This budget alone does not include sourcing contractors or managing their proposals.
WHAT HAPPENS AFTER ARCHITECTURAL DESIGN?
Keep Exploring
Detailed Construction Schedule
Organize activities, dependencies and milestones to complement the construction cost breakdown.
Pre-Construction Decision Package
Combine the budget and schedule with contractor invitations, proposal comparison and selection support.
Owner-Side Construction Package
Follow the agreed budget, schedule and changes during construction after the owner appoints a contractor.