Determining the Development Potential for an R-1 zoned Property

Here are examples to determine the Development Potential of different types of lots in an R-1 zone using the Development Controls under Rules 7&8 of the Revised IRR of PD 1096 or the National Building Code of the Philippines (NBCP).

The Development Controls include the following:

• Allowable Maximum Building Footprint (AMBF)
• Allowable maximum Percentage of Site Occupancy (max PSO)
• Allowable minimum Total Open Space within Lot (min TOSL)
• Allowable maximum Impervious Surface Area (max ISA)
• Allowable minimum Unpaved Surface Area (min USA)
• Maximum Allowable Construction Area (MACA)
• Allowable maximum Gross Floor Area (max GFA)
• Allowable maximum Total Gross Floor Area (max TGFA)
• Allowable Maximum Volume of Building (AMVB)

Example No. 1:

• SINGLE DETACHED HOUSE
• R-1 ZONED PROPERTY
• TOTAL LOT AREA (TLA): 301 SQ. METERS
• INSIDE LOT
• 14-METER WIDE FRONTAGE FACING SOUTH
• 12-METER WIDE ROAD

Example No. 2:

• SINGLE DETACHED HOUSE
• R-1 ZONED PROPERTY
• TOTAL LOT AREA (TLA): 365.5 SQ. METERS
• THROUGH LOT
• 17-METER WIDE FRONTAGE 
• 12-METER WIDE ROAD AT THE NORTH & SOUTH SIDES

Example No. 3:

• SINGLE DETACHED HOUSE
• R-1 ZONED PROPERTY
• TOTAL LOT AREA (TLA): 450 SQ. METERS
• INSIDE LOT
• 15-METER WIDE FRONTAGE FACING SOUTH
• 14-METER WIDE ROAD

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