Seven Items Commonly Missing From Cheap Construction Quotations
- Gabriel Mikael
- 10 minutes ago
- 10 min read
A low construction quotation can look attractive, especially when it is hundreds of thousands of pesos cheaper than the other proposals.
But before choosing the lowest price, ask one important question:
What is missing from the quotation?
Cheap construction quotations are not always wrong. Some contractors may have efficient systems, lower overhead, strong supplier relationships, or simpler project-management structures.
However, a quotation can also appear cheap because major work items have been excluded, underestimated, left undefined, or transferred to the homeowner.
These missing items do not disappear. They usually return later as:
Additional charges
Variation orders
Owner-supplied materials
Separate contractor packages
Delayed work
Unfinished areas
Unexpected out-of-pocket expenses
For Cagayan de Oro lot owners, understanding common quotation exclusions can help prevent budget overruns and disputes.
Here are seven important items often missing from cheap construction quotations.
1. Plans, Professional Fees and Building Permits
Some quotations cover only the physical construction of the house.
They may exclude the professional and regulatory requirements needed before construction can legally and properly begin.
Possible exclusions include:
Architectural design
Structural engineering
Electrical plans
Plumbing and sanitary plans
Mechanical plans, when required
Signed and sealed drawings
Technical specifications
Bill of Quantities
Surveying
Soil testing
Building-permit fees
Locational or zoning clearances
Barangay clearances
Fire-safety requirements
Electrical permits
Sanitary permits
Occupancy-permit processing
Why This Matters
Plans are not simply drawings for appearance.
They guide:
Structural dimensions
Reinforcing-steel requirements
Electrical circuits
Plumbing layouts
Room dimensions
Door and window locations
Roof design
Drainage
Material quantities
Without properly coordinated plans, the contractor may price the project based on assumptions.
These assumptions can lead to quantity changes, design conflicts, additional costs, and construction delays.
What to Ask
Ask the contractor:
Are architectural and engineering plans included?
Who will sign and seal the plans?
Are professional fees included?
Are permit-processing services included?
Are government charges included or paid separately?
Is occupancy-permit assistance part of the package?
The words “design and build” do not automatically mean every professional fee and government charge is included.
2. Site Preparation and Earthworks
Many low quotations assume the property is already flat, clear, accessible, and ready for construction.
Actual lots may require substantial preparation before foundation work can begin.
Commonly excluded site works include:
Grass and vegetation clearing
Tree and root removal
Demolition
Debris disposal
Excavation
Removal of unsuitable soil
Filling materials
Gravel bedding
Compaction
Hauling
Dewatering
Soil improvement
Slope correction
Temporary access
Equipment mobilization
Why This Matters
A low or uneven lot may require large quantities of filling material.
A sloping lot may require:
Stepped excavation
Deeper foundations
Retaining walls
Slope protection
Additional drainage
A property with soft soil may require structural or soil improvements before the house can be safely constructed.
These works can consume a significant portion of the total budget.
What to Ask
Ask:
Has the contractor inspected the lot?
Is clearing included?
How much excavation is included?
Is filling and compaction included?
What type and quantity of filling material are allowed?
Are hauling and disposal included?
Are unusual soil conditions treated as additional work?
A final quotation should not be based only on floor area. It should consider the actual site.
3. Septic Tank, Drainage and Wastewater Systems
A quotation may include plumbing pipes inside the house but exclude the systems needed to carry wastewater and rainwater away from the property.
Possible exclusions include:
Septic tank
Sewer connection
Grease trap
Manholes
Catch basins
Stormwater lines
Concrete drainage canals
Trench drains
Long external drainage pipes
Roof-water discharge system
Sump pit
Drainage connection to the road or subdivision line
Flood-mitigation measures
Why This Matters
A completed house needs more than sinks, toilets, and floor drains.
Wastewater must be safely collected and discharged.
Rainwater must also be controlled to prevent:
Flooding
Foundation erosion
Damp walls
Soil settlement
Damage to neighboring properties
Standing water
Mosquito breeding
Driveway deterioration
Drainage problems are more expensive to correct after the house, fence, and driveway have already been completed.
What to Ask
Confirm:
Is the septic tank included?
What size and type will be provided?
Is the sewer or discharge connection included?
Are catch basins included?
Are roof downspouts connected to a proper drainage line?
Are exterior canals included?
How will rainwater leave the property?
The phrase “complete plumbing” may refer only to plumbing inside the house.
4. Kitchen Cabinets and Built-In Storage
Some quotations describe the house as complete but provide only a basic kitchen counter.
The proposal may exclude:
Upper kitchen cabinets
Lower kitchen cabinets
Pantry cabinets
Drawers
Kitchen island
Cabinet hardware
Soft-close hinges
Pullout accessories
Bedroom wardrobes
Bathroom vanities
Under-stair cabinets
Laundry cabinets
Entertainment units
Storage shelves
Why This Matters
Cabinetry can represent a substantial portion of the finishing budget.
Costs depend on:
Cabinet dimensions
Material
Board thickness
Laminate or paint finish
Countertop
Hardware
Drawer systems
Internal accessories
Installation method
Custom design
Homeowners may assume that a complete kitchen includes cabinets, only to discover that the quotation includes a concrete countertop and sink.
What to Ask
Ask for:
A cabinet layout
Total cabinet length or area
Cabinet material
Countertop specification
Backsplash specification
Hardware allowance
Number of drawers
Upper- and lower-cabinet inclusions
Wardrobe inclusions
Do not rely on the phrase “kitchen included.”
Request measurable specifications.
5. Electrical and Plumbing Fixtures
Some quotations include the electrical and plumbing systems but exclude the visible fixtures needed to use them.
Electrical Items That May Be Excluded
Lighting fixtures
Decorative lights
Ceiling fans
Exhaust fans
Doorbell
CCTV cameras
Internet devices
Air-conditioning units
Water heaters
Gate motor
Solar equipment
Generator
Appliance outlets beyond the basic allowance
The contractor may provide wires, switches, and lighting points but no actual light fixtures.
Plumbing Items That May Be Excluded
Toilet
Lavatory
Faucet
Shower set
Kitchen sink
Water heater
Bathroom accessories
Mirrors
Shower enclosure
Bidet spray
Water tank
Pressure pump
Filtration system
Why This Matters
The phrase “complete electrical works” may mean only wiring, conduits, panel boards, switches, and outlets.
The phrase “complete plumbing works” may mean only the pipes and basic connections.
Fixtures vary greatly in price. Without a written allowance, the homeowner may expect products that are outside the contractor’s costing.
What to Ask
Confirm:
How many lighting fixtures are included?
What type and price allowance applies?
Are decorative fixtures included?
Are air-conditioning provisions included?
Are water-heater lines included?
What toilet and lavatory brands or allowances are included?
Is the kitchen sink included?
Is a water tank or pump included?
Fixtures should be listed by quantity, type, and allowance.
6. Utility Connections and Exterior Improvements
A contractor may complete the house but leave several important exterior and utility requirements unfinished.
Common exclusions include:
Electrical meter application
Water-meter application
Utility deposits
Permanent service entrance
External water line
External electrical line
Water tank
Pressure pump
Internet connection
Driveway
Carport pavement
Walkways
Service-area slab
Perimeter fence
Main gate
Pedestrian gate
Landscaping
Outdoor lighting
Retaining wall
Exterior drainage
Why This Matters
A house can appear finished but still be unusable without electricity, water, safe access, drainage, and wastewater systems.
Exterior improvements also affect:
Security
Vehicle access
Rainwater control
Property usability
Cleanliness
Safety
Appearance
Homeowners often budget only for the main structure and later discover that they still need a large amount to make the property fully functional.
What to Ask
Ask the contractor:
Is the electrical service entrance included?
Are meter applications included?
Is the external water connection included?
Are utility deposits excluded?
Is the driveway included?
Are the fence and gate included?
Are retaining walls included?
Is exterior drainage included?
Which parts of the lot will remain unfinished?
Ask for a drawing or list showing the exact construction limit.
7. Testing, Punch Listing and Warranty
The cheapest quotation may focus only on building the house and say little about quality checks, correction of defects, turnover, and after-construction support.
Possible omissions include:
Plumbing pressure testing
Drainage testing
Waterproofing flood testing
Electrical testing
Roof-leak inspection
Window and door inspection
Tile inspection
Punch listing
Final cleaning
As-built records
Turnover documents
Workmanship warranty
Defect-reporting process
Post-turnover repairs
Why This Matters
Many construction defects become visible only after:
Heavy rain
Regular bathroom use
Electrical loading
Water pressure
Door and window operation
Occupancy
Several weeks or months
Without written testing and warranty provisions, the homeowner may have difficulty requiring the contractor to return and correct defects.
What to Ask
Confirm:
What tests will be performed?
Will waterproofed areas undergo flood testing?
Will plumbing lines be pressure-tested?
Will electrical systems be tested?
Is there a formal punch-list process?
Who confirms that punch-list items are complete?
What warranty period applies?
What defects are covered?
How should defects be reported?
How soon must the contractor respond?
A contractor’s promise to “fix everything” should be supported by written terms.
How Missing Items Make a Cheap Quotation Expensive
Consider this simplified example:
Cost Item | Cheap Quotation | More Complete Quotation |
Initial Contract Price | ₱2,700,000 | ₱3,250,000 |
Plans and Permits | Excluded | Included |
Site Preparation | Limited | Included |
Septic and Drainage | Excluded | Included |
Kitchen Cabinets | Limited | Included |
Fixtures | Owner supplied | Included allowance |
Utility Connections | Excluded | Partially included |
Warranty | Not stated | Written |
Initial Difference | ₱550,000 lower | — |
The homeowner may later spend:
Additional Requirement | Possible Additional Cost |
Plans and permits | ₱150,000 |
Site works | ₱120,000 |
Septic and drainage | ₱130,000 |
Kitchen cabinets | ₱180,000 |
Electrical and plumbing fixtures | ₱90,000 |
Utility and exterior work | ₱130,000 |
Repairs and corrections | ₱80,000 |
Possible Additional Cost | ₱880,000 |
The ₱2.7 million quotation may eventually cost approximately ₱3.58 million.
The more complete ₱3.25 million quotation may provide better value despite having a higher initial price.
These figures are illustrative. Actual costs depend on the project scope, materials, location, and site condition.
Why Contractors’ Quotations Differ
Construction quotations may differ because contractors use different:
Plans
Floor-area calculations
Material brands
Material allowances
Labor rates
Structural assumptions
Finish levels
Scope definitions
Project durations
Supervision systems
Warranty coverage
Overhead calculations
Profit margins
A price difference does not automatically mean one contractor is overcharging or undercharging.
The homeowner must first determine whether the proposals cover the same work.
The Problem With One-Page Construction Quotations
A one-page quotation may show:
Floor area
Cost per square meter
Total amount
General description
Payment schedule
This is not enough for a major construction project.
A reliable proposal should provide or refer to:
Architectural plans
Engineering plans
Scope of work
Material specifications
Finish schedule
Bill of Quantities
Inclusions
Exclusions
Construction timeline
Payment schedule
Change-order procedure
Warranty terms
The larger the project, the more important detailed documentation becomes.
How to Compare Quotations Fairly
Use the same basis for every contractor.
Provide each bidder with:
The same architectural plans
The same structural plans
The same floor area
The same finish level
The same material specifications
The same room requirements
The same exterior scope
The same site information
Then compare the following:
Category | Contractor A | Contractor B | Contractor C |
Plans and permits | |||
Site clearing | |||
Excavation and filling | |||
Structural works | |||
Roofing | |||
Doors and windows | |||
Flooring | |||
Painting | |||
Electrical fixtures | |||
Plumbing fixtures | |||
Septic tank | |||
Kitchen cabinets | |||
Built-in wardrobes | |||
Drainage | |||
Utility connections | |||
Fence and gate | |||
Testing | |||
Warranty | |||
Exclusions |
A side-by-side comparison makes omissions easier to identify.
Questions to Ask Before Signing
Before selecting a contractor, ask:
What plans were used to prepare the price?
Has the property been inspected?
What site-preparation work is included?
Are filling and compaction included?
Are signed plans and permits included?
Is the septic tank included?
Is exterior drainage included?
Are kitchen cabinets included?
Are bedroom wardrobes included?
Are electrical fixtures included?
Are plumbing fixtures included?
Are utility connections included?
Is the driveway included?
Are the fence and gate included?
What tests will be performed?
What warranty will be provided?
What items must the owner supply?
What is specifically excluded?
How will variations be approved?
Is a detailed Bill of Quantities available?
Warning Signs in a Cheap Construction Quotation
Be cautious when a quotation:
Gives only a total price
Does not identify material brands
Has no quantity breakdown
Uses vague terms such as “standard materials”
Does not list exclusions
Was prepared without a site inspection
Is not based on final plans
Provides no project timeline
Requires a large advance payment
Does not include a change-order procedure
Offers no testing requirements
Provides no warranty
Promises premium results at an unrealistic cost
Pressures the owner to sign quickly
A low price should be explainable.
The contractor should be able to show where savings are coming from without compromising essential work.
When a Cheap Quotation May Still Be Reasonable
A lower quotation may be legitimate when the contractor:
Uses an efficient construction system
Has direct supplier pricing
Owns its tools and equipment
Has an experienced permanent team
Uses a simple and optimized design
Controls material wastage
Has lower but sustainable overhead
Provides the same complete scope
Uses comparable specifications
Provides clear documentation
Offers a written warranty
Do not reject a contractor solely because the proposal is cheaper.
Verify that the lower cost is based on efficiency rather than omission.
How Homeowners Can Protect Their Budget
Require a Site Inspection
The contractor should review access, slope, elevation, drainage, utilities, and existing obstructions.
Finalize the Plans
Avoid requesting final prices based only on inspiration photos or rough sketches.
Define the Finish Level
State whether the project is bare, basic, standard, or premium finish.
Request Material Specifications
Identify brands, sizes, thicknesses, quantities, and allowances.
Request a Detailed Scope
Every included activity should be written.
Request a Bill of Quantities
The BOQ helps explain quantities and cost distribution.
Require a Written Exclusion List
Do not accept hidden or verbal exclusions.
Use Milestone-Based Payments
Progress billings should correspond to completed and verified work.
Approve Variations in Writing
Every change should state the additional cost and time impact.
Keep a Contingency Fund
Maintain a separate allowance for legitimate unforeseen conditions and owner-requested upgrades.
Frequently Asked Questions
Why are some construction quotations much cheaper?
They may use different materials, allowances, quantities, scopes, labor rates, construction systems, overhead, and warranty coverage. Some may also exclude essential work.
Are permits normally included?
Not always. The quotation must clearly state whether professional fees, permit processing, and government charges are included.
Is the septic tank usually included?
It may be included in some complete packages and excluded in others. Confirm the size, type, and exact location.
Are lighting fixtures included in electrical works?
Not automatically. Some quotations include only lighting points, switches, outlets, conduits, and wires.
Are kitchen cabinets included in a complete house package?
This depends on the scope. Some packages include only a counter and sink, while others include complete upper and lower cabinets.
What is the most important thing to check?
Review the written inclusions, exclusions, material specifications, quantities, plans, and warranty—not only the total price.
Should I always choose the more expensive quotation?
No. A higher price does not automatically mean better quality. Choose the proposal that provides the clearest and most suitable value for your project.
Advice for CDO Lot Owners
A cheap construction quotation can be attractive, but the total amount tells only part of the story.
Before signing, check whether the price includes these seven important areas:
Plans, professional fees, and permits
Site preparation and earthworks
Septic tank, drainage, and wastewater systems
Kitchen cabinets and built-in storage
Electrical and plumbing fixtures
Utility connections and exterior improvements
Testing, punch listing, and warranty
When these items are missing, the homeowner may still need to pay for them later.
Instead of asking only:
“How much is the total quotation?”
Ask:
“What must still be paid, supplied, processed, or constructed before the house is truly complete and ready for occupancy?”
The best quotation is not always the one with the lowest starting price.
It is the one that clearly explains the complete scope, materials, responsibilities, timeline, exclusions, testing, and warranty.
Build With Clarity Through WallPro Systems & Construction
Planning to build or renovate in Cagayan de Oro?
WallPro Systems & Construction can help you review your lot, define the project scope, prepare plans, identify material specifications, and develop a clearer construction quotation.
For an initial project assessment, provide:
Lot location
Lot dimensions
Preferred floor area
Number of storeys
Number of bedrooms and bathrooms
Preferred design
Target finish level
Available construction budget
Existing plans or quotations
Message “CHECK MY QUOTE” to request an initial review of the items that may be missing from your construction proposal.
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