National Building Code of the Philippines (PD 1096)

Learning Objectives

  • Understand the scope and application of the National Building Code (PD 1096).
  • Explain the process of obtaining building permits and ancillary permits.
  • Identify exemptions from building permits.
  • Classify buildings based on construction types and occupancy.
  • Define easements and setbacks.
Key provisions of PD 1096, including building permits, occupancy classifications, and construction types.

Introduction

The National Building Code (Presidential Decree No. 1096) is the primary law regulating building design, construction, use, occupancy, and maintenance in the Philippines to safeguard life, health, property, and public welfare.

Scope and Application

The NBCP applies to the design, location, siting, construction, alteration, repair, conversion, use, occupancy, maintenance, moving, demolition of, and addition to public and private buildings and structures.

Interactive Simulation

Interact with the 09 National Building Code simulation below to explore the concepts dynamically.

NBC Setback & R-1 Zoning Calculator

Calculate open space requirements for a Basic Residential 1 (R-1) lot based on the National Building Code (PD 1096).

Calculation Result

For an R-1 lot of 200 sq.m, the Maximum Allowable Percentage of Site Occupancy (PSO) is 50%, and the Minimum Total Open Space within Lot (TOSL) is 50%.
Max Footprint=200×0.50=100 m2Required Open Space=200×0.50=100 m2\begin{aligned} \text{Max Footprint} &= 200 \times 0.50 = 100 \text{ m}^2 \\\\ \text{Required Open Space} &= 200 \times 0.50 = 100 \text{ m}^2 \end{aligned}

Building Permits

Building Permits Requirement

Section 301. Building Permits: No person, firm or corporation, including any agency or instrumentality of the government shall erect, construct, alter, repair, move, convert or demolish any building or structure or cause the same to be done without first obtaining a building permit therefor from the Building Official assigned in the place where the subject building is located or the building work is to be done.

Building Permit Application Process

  1. Application: Submission of forms, plans, and specifications signed and sealed by corresponding professionals (Architect, Civil Engineer, Sanitary Engineer, Master Plumber, Electrical Engineer, Mechanical Engineer).
  2. Processing: The Office of the Building Official (OBO) reviews the documents for compliance with the NBCP, Fire Code, Zoning Ordinances, and other referral codes.
  3. Issuance: If compliant and fees are paid, the permit is issued.
  4. Validity: A building permit becomes null and void if work is not commenced within a period of one (1) year from the date of issuance, or if the work is suspended or abandoned for a period of 120 days at any time after commencement.
Screen Work for a Building Permit

Check a proposed scope against current permit exemptions, route covered work through the Office of the Building Official, and keep any issued permit valid.

PD 1096 Section 301 is the starting rule. Only an exemption that exactly matches the currently applicable Revised IRR and local requirements removes the building-permit step; exemption does not waive other codes, clearances, ancillary permits, or safety duties. The Building Official reviews under Sections 304–306. Section 307 allows an applicant or permittee to appeal non-issuance, suspension, or revocation to the DPWH Secretary within 15 days after receipt of the advice. The Secretary must decide within 15 days from receipt of the notice of appeal; the decision is final subject only to review by the Office of the President. A permit becomes null and void if work does not commence within one year or is suspended or abandoned for 120 days after commencement. Actual permits and current local rules control.

Screen Work for a Building PermitCheck a proposed scope against current permit exemptions, route covered work through the Office of the Building Official, and keep any issued permit valid.. PD 1096 Section 301 is the starting rule. Only an exemption that exactly matches the currently applicable Revised IRR and local requirements removes the building-permit step; exemption does not waive other codes, clearances, ancillary permits, or safety duties. The Building Official reviews under Sections 304–306. Section 307 allows an applicant or permittee to appeal non-issuance, suspension, or revocation to the DPWH Secretary within 15 days after receipt of the advice. The Secretary must decide within 15 days from receipt of the notice of appeal; the decision is final subject only to review by the Office of the President. A permit becomes null and void if work does not commence within one year or is suspended or abandoned for 120 days after commencement. Actual permits and current local rules control.. Proposed building work or change → Define exact work, location, occupancy, and related permits; Define exact work, location, occupancy, and related permits → Does the full scope meet a current Rule III exemption?; Does the full scope meet a current Rule III exemption? — Yes → Document exemption; meet all other rules and clearances; Does the full scope meet a current Rule III exemption? — No or uncertain → File prescribed application and required professional plans with OBO; File prescribed application and required professional plans with OBO → OBO checks code, zoning, referral, and local requirements; OBO checks code, zoning, referral, and local requirements → Application and plans conform to applicable requirements?; Application and plans conform to applicable requirements? — Yes → Pay required fees; obtain building and ancillary permits; Application and plans conform to applicable requirements? — No → Will the applicant appeal non-issuance?; Will the applicant appeal non-issuance? — Resubmit → Correct the written grounds and resubmit; Will the applicant appeal non-issuance? — Appeal → File within 15 days after receipt of advice; Correct the written grounds and resubmit → OBO checks code, zoning, referral, and local requirements; File within 15 days after receipt of advice → Does the Secretary grant relief?; Does the Secretary grant relief? — Yes → Carry out the Secretary's decision; continue permit steps; Does the Secretary grant relief? — No → No relief; decision final, subject only to Office of the President review; Pay required fees; obtain building and ancillary permits → Proceed under the issued permit, its validity period, and conditions

Proposed building work or change → Define exact work, location, occupancy, and related permits; Define exact work, location, occupancy, and related permits → Does the full scope meet a current Rule III exemption?; Does the full scope meet a current Rule III exemption? — Yes → Document exemption; meet all other rules and clearances; Does the full scope meet a current Rule III exemption? — No or uncertain → File prescribed application and required professional plans with OBO; File prescribed application and required professional plans with OBO → OBO checks code, zoning, referral, and local requirements; OBO checks code, zoning, referral, and local requirements → Application and plans conform to applicable requirements?; Application and plans conform to applicable requirements? — Yes → Pay required fees; obtain building and ancillary permits; Application and plans conform to applicable requirements? — No → Will the applicant appeal non-issuance?; Will the applicant appeal non-issuance? — Resubmit → Correct the written grounds and resubmit; Will the applicant appeal non-issuance? — Appeal → File within 15 days after receipt of advice; Correct the written grounds and resubmit → OBO checks code, zoning, referral, and local requirements; File within 15 days after receipt of advice → Does the Secretary grant relief?; Does the Secretary grant relief? — Yes → Carry out the Secretary's decision; continue permit steps; Does the Secretary grant relief? — No → No relief; decision final, subject only to Office of the President review; Pay required fees; obtain building and ancillary permits → Proceed under the issued permit, its validity period, and conditions

  • Proposed building work or change: terminator
  • Define exact work, location, occupancy, and related permits: process
  • Does the full scope meet a current Rule III exemption?: decision
  • Document exemption; meet all other rules and clearances: terminator
  • File prescribed application and required professional plans with OBO: process
  • OBO checks code, zoning, referral, and local requirements: process
  • Application and plans conform to applicable requirements?: decision
  • Will the applicant appeal non-issuance?: decision
  • Correct the written grounds and resubmit: process
  • File within 15 days after receipt of advice: process
  • Does the Secretary grant relief?: decision
  • Carry out the Secretary's decision; continue permit steps: terminator
  • No relief; decision final, subject only to Office of the President review: terminator
  • Pay required fees; obtain building and ancillary permits: process
  • Proceed under the issued permit, its validity period, and conditions: terminator

Ancillary Permits

Ancillary Permits Overview

In addition to the main Building Permit, construction often requires specific ancillary permits depending on the scope of work.

Ancillary Permits List

Violations and Penalties

Violations and Penalties Overview

Failure to comply with the National Building Code carries severe consequences.

Violations and Penalties List

Exemptions from Building Permits

Exemptions Overview

Not all construction activities require a full building permit. PD 1096 outlines specific minor constructions and repairs that are exempt, provided they do not violate any provisions of the Code.

Enumerated Permit-Exempt Work

Rule III, Section 301.3 of the 2004 Revised IRR lists the following minor constructions and repairs, provided they do not violate the Code or the IRR:

  • Detached private-use structures: Sheds, outhouses, greenhouses, children's playhouses, aviaries, poultry houses, and similar structures not exceeding 6 m² total area, completely detached from another building, and intended only for the owner's private use.
  • Ground-resting terrace or patio: An open terrace or patio resting directly on the ground, not exceeding 20 m² total floor area, and exclusively for the owner's private use.
  • Window grilles: Installation of window grilles.
  • Garden pools: Pools for water plants and/or aquarium fish, no deeper than 500 mm, and exclusively for private use.
  • Garden walls and paths: Garden masonry walls other than party walls no higher than 1.20 m; footpaths, residential garden walks, and driveways.
  • Non-structural repairs: Repairs not affecting or involving a structural member, including replacement of deteriorated roof sheets or tiles, gutters, downspouts, fascias, ceilings, or sidings.
  • Partitions and house interiors: Repair or replacement of non-load-bearing partitions, or of an interior portion of a house without an addition or alteration.
  • Doors, windows, and flooring: Repair or replacement work on these listed components.
  • Perimeter and specified plumbing repairs: Repair of perimeter fences or walls; repair or replacement of plumbing fixtures, fittings, or pipes such as toilet bowls, sinks, lavatories, urinals, bidets, pipes, faucets, or valves in single-detached dwellings and duplexes.

Exemptions Compliance

These are narrow conditions from Rule III, Section 301.3 of the Revised Implementing Rules and Regulations. The work must not violate the Code or another applicable requirement; confirm current local and site-specific requirements with the Building Official. PD 1096 Section 701 lists fences over 1.80 m as an accessory occupancy classification, but that does not create a general building-permit exemption for shorter fences.

Building-permit exemptions are condition-specific

Screen every listed condition in Revised IRR Rule III, Section 301.3, including private-use and size limits. A low fence is not generally exempt just because it is shorter than 1.80 m, and an exemption never authorizes a Code violation.

The Revised IRR permit exemptions cover only listed small detached structures, ground-resting private features, qualifying garden walls, window grilles, and specified repairs.

Types of Construction

Types of Construction Overview

Buildings are classified based on their fire resistance.

Construction Types I–V

  • Type I: Wood construction; structural elements may be any material permitted by the Code.
  • Type II: Wood construction with protective fire-resistant materials and one-hour fire resistance throughout. Permanent non-bearing partitions may use fire-retardant-treated wood within the framing assembly, with the required one-hour fire resistance.
  • Type III: Masonry-and-wood construction; structural elements may be any material permitted by the Code, but the building is one-hour fire-resistive throughout and exterior walls are of incombustible fire-resistive construction.
  • Type IV: Steel, iron, concrete, or masonry construction, with incombustible fire-resistive walls, ceilings, and permanent partitions. Permanent non-bearing partitions of one-hour fire-resistive construction may use fire-retardant-treated wood within the framing assembly.
  • Type V: Fire-resistive construction with steel, iron, concrete, or masonry structural members and incombustible fire-resistive walls, ceilings, and permanent partitions.
Construction Type I–V: material and fire-resistance distinctions

These are PD 1096 Section 401 construction classifications, including the one-hour Type II and Type III rules and their narrow permanent-partition allowances. Apply the full Code and Revised IRR when classifying a real building.

A comparison of National Building Code Construction Types I through V by structural material, fire-resistive treatment, and permitted partition exceptions.

Occupancy Classification

Occupancy Classification Overview

Buildings are also classified based on their intended use, which dictates safety requirements like exits and fire protection.

General Categories (A-J)

Principal Occupancy Groups A–J

  • Group A: Residential Dwellings (single-family, duplexes).
  • Group B: Residentials, Hotels, and Apartments (multiple dwellings).
  • Group C: Education and Recreation (schools, daycares).
  • Group D: Institutional (hospitals, jails, nurseries - places where people are restricted or incapable of self-preservation).
  • Group E: Business and Mercantile (stores, offices, gas stations).
  • Group F: Industrial (factories, workshops).
  • Group G: Storage and Hazardous (warehouses, storage of flammable materials).
  • Group H: Assembly other than Group I: the divisions distinguish stage and occupant load (stage and fewer than 1,000; no stage with 300 or more; no stage with fewer than 300) and include specified stadia, reviewing stands, and amusement-park structures.
  • Group I: Assembly buildings with a stage and an occupant load of 1,000 or more.
  • Group J: Accessory buildings, including private garages, carports, sheds, and agricultural buildings; also fences over 1.80 m, tanks, towers, and tombs.
Occupancy Groups A–J classify intended use

The map gives only principal group labels. Group H has four specific divisions, and Group I requires a stage and an occupant load of at least 1,000; Section 701 also contains further divisions and life- and fire-hazard rules.

PD 1096 Section 701 classifies occupancies A through J by use; Group H divisions depend on stage and occupant load, while Group I is an assembly building with a stage and at least 1,000 occupants.

Easements and Setbacks

Setback

The minimum horizontal distance between the property line and the building line. It ensures adequate light, ventilation, and fire separation between adjacent structures.

Easement

A right to use the real property of another for a specific purpose (e.g., right of way, utility lines). Article 51 of the Water Code (PD 1067) establishes public-use easements along the margins of rivers and streams and along the shores of seas and lakes: 3 meters in urban areas, 20 meters in agricultural areas, and 40 meters in forest areas. Confirm the applicable area classification and site-specific rules before applying these distances.

Water Code Article 51: public-use easement bands

The distances vary with the legal area classification and apply along the margins named in Article 51. Confirm the site classification, legal boundary, and any more specific requirements before locating work.

The Water Code sets public-use easement bands along river and stream margins and sea and lake shores: 3 meters in urban areas, 20 meters in agricultural areas, and 40 meters in forest areas.
Key Takeaways
  • Only the specific constructions and repairs listed in Revised IRR Rule III, Section 301.3 are exempt, subject to their full conditions and the rest of the Code.
  • Work that affects structural members or extends beyond a listed exemption must be screened for the required permit before it proceeds.
  • A Building Permit is required before construction, alteration, or demolition covered by Section 301, unless the complete scope satisfies a specific current exemption.
  • Permits expire if work doesn't start within 1 year or is suspended for 120 days.
  • The NBCP classifies buildings by Construction Type (I-V) for fire resistance and Occupancy (A-J) for use.
  • Setbacks and Easements regulate building footprints to ensure safety and public access.

References