The two-hectare threshold is one of the most frequently cited parameters in Taiwan non-urban land development. It can change the required land-use instrument, the review structure, and the amount of planning evidence expected from an applicant.

It is also frequently oversimplified. Two hectares is not a universal threshold for every project. Article 11 of the Regulations on Non-Urban Land Use Control contains different thresholds for specified development types and a two-hectare residual threshold for development not listed in the preceding categories.

The correct question is therefore not only “Is the site above or below two hectares?” It is “What is the legally relevant project type, what area must be counted, and what procedure follows from that classification?”

Two linked levels of non-urban land control

The present non-urban land system operates through two linked spatial levels.

Land-use zoning: the wider policy layer

The land-use zone expresses the government's strategic position for the wider area. Examples include special agricultural zones, general agricultural zones, industrial zones, rural zones, forest zones, scenic zones, and designated-purpose zones.

Changing the zone is not simply a parcel record adjustment. It requires an examination of whether the proposed development is consistent with regional policy, environmental constraints, infrastructure capacity, and the intended function of the surrounding area.

Land-use classification: the parcel-level layer

Each non-urban parcel is also assigned a land-use classification, such as agricultural and pastoral land, building land, transportation land, water-conservancy land, or land for a designated-purpose enterprise.

Where a proposed project remains compatible with the existing land-use zone and does not trigger a mandatory zone change, it may be possible to apply for a change of land-use classification within that zone. This commonly requires an approved business establishment plan, local-government review, supporting authority comments, and compliance with the conversion principles applicable to the original and proposed classifications.

What Article 11 actually says

Article 11 requires a land-use zone change when non-urban land development reaches the following scales:

  • residential community development: 50 households or at least 1 hectare;
  • industrial use: at least 10 hectares, or at least 5 hectares for industrial development under the Statute for Industrial Innovation;
  • recreational facilities: at least 5 hectares;
  • schools: at least 10 hectares;
  • golf courses: at least 10 hectares;
  • cemeteries: at least 5 hectares;
  • other funeral facilities: at least 2 hectares; and
  • development not covered by the preceding categories: at least 2 hectares.

Other legislation may impose a separate minimum development scale. Reclamation projects are also treated differently and are not protected from a zone-change requirement merely because they fall below an Article 11 area figure.

This means that two hectares is highly important, but only after the project has been correctly placed within the Article 11 structure.

Area at or above the applicable threshold

When the development reaches the applicable Article 11 threshold, a change of land-use zone is required. The applicant must prepare a development plan and follow the development-permit procedure under Chapter 3 of the Regulations on Non-Urban Land Use Control.

The local municipality or county or city government receives and checks the application, seeks comments from relevant units, and prepares a preliminary review. The case is then submitted to the competent regional-plan drafting authority and the relevant Regional Planning Committee for deliberation.

This does not mean every project at or above two hectares is physically reviewed in Taipei. The Ministry of the Interior has delegated review and approval of many non-urban development-permit cases of 30 hectares or less to local governments, subject to exclusions for specified central-government projects, cross-jurisdictional matters, sensitive cases, and other reserved categories.

The correct schedule assumption should therefore identify:

  1. whether a zone change is required;
  2. whether the case falls within a delegated review category;
  3. which committee will deliberate the application;
  4. which environmental or sector reviews can run in parallel; and
  5. what public, technical, infrastructure, and mitigation commitments the development plan must contain.

Area below the applicable threshold

Where the development remains below the applicable threshold, the project does not trigger a zone change under that part of Article 11. The review may instead focus on whether the proposed use can be accommodated within the existing zone through permitted use or a change of land-use classification.

For a classification-change application, Article 28 generally directs the applicant to the municipality or county or city government and requires an approved business establishment plan where applicable. Review commonly addresses:

  • compatibility with the existing land-use zone;
  • the legal basis for the proposed classification;
  • access and road adequacy;
  • site layout and development intensity;
  • agricultural production context and required buffers;
  • drainage, water, slope, and environmental constraints;
  • comments from the authorities responsible for the original and proposed uses; and
  • compliance with the approved business establishment plan.

This pathway is usually narrower than a full development permit, but it is not automatic or purely clerical. A site below two hectares can still be unsuitable, prohibited by another rule, located in an environmentally sensitive area, or dependent on a discretionary sector approval.

Energy facilities illustrate why sector rules matter

Sector-specific rules may expressly use the two-hectare boundary. For example, the Ministry of Economic Affairs' review directions for converting non-urban land for solar photovoltaic facilities are designed for applications below two hectares and state that applications reaching two hectares must proceed under Chapter 3 of the non-urban land control regulations.

This is a useful illustration, not a rule for every energy facility. The competent authority, business establishment plan, land classification, and technical review criteria depend on the facility type. An onshore substation, grid connection facility, solar installation, wind-energy facility, or industrial energy user should each be mapped to its own sector legislation before the land pathway is confirmed.

Project splitting does not avoid the threshold

Article 11 contains an anti-avoidance rule. Where two or more development applications are submitted by the same or different applicants, the sites are adjoining, and the competent authority for the relevant business determines that they form one business establishment plan, their areas must be accumulated.

Area assessment should therefore include the full functional project, not only the parcel package presented in one application. Shared access, common utilities, coordinated construction, operational integration, and a single sector approval may all be relevant to how the authority understands the project boundary.

The threshold changes the process, not the planning merits

Keeping a footprint below two hectares may avoid a zone-change development permit for a residual-category project, but it does not resolve the underlying planning questions. The site must still be capable of supporting the proposed use, access, buffers, drainage, environmental measures, and sector requirements.

Conversely, exceeding the threshold does not mean a project is prohibited. It means the proposal must be justified through a broader spatial and development review.

The threshold is therefore best treated as a project-definition and schedule parameter. It should be tested before land acquisition, layout freeze, grid or utility commitments, and the selection of the approval strategy.

Do not rely on a generic approval duration

Neither Article 11 nor the development-permit provisions establish a single 24- or 36-month duration for all cases. Actual lead time depends on completeness, review jurisdiction, environmental sensitivity, public response, infrastructure obligations, sector approvals, requests for revision, and whether reviews proceed sequentially or in parallel.

A defensible schedule should be built from the actual authority matrix and required submissions. Generic market estimates may be useful for scenario planning, but they should not be presented as statutory timelines or approval commitments.

Early-stage decision checklist

Before relying on a sub-two-hectare or development-permit strategy, confirm:

  • the Article 11 project category;
  • the total and cumulative development area;
  • whether adjoining parcels form one functional project;
  • the existing zone and parcel classifications;
  • whether the proposed use is permitted or requires classification conversion;
  • the competent authority for the relevant business;
  • the required business establishment plan or sector support;
  • the development-permit decision level and any delegated authority;
  • environmental, agricultural, slope, water, access, and building constraints; and
  • the effect of the National Land Planning Act transition on the project horizon.

Official references