DAVAO DEL SUR 

Number of Constructions 

The number of constructions of Davao del Sur from approved building permits in 2022 totaled to 313 signifying an annual increase of 1,204.2 percent from the 24 total number of constructions in 2021. (Table 1).

Residential buildings had the highest number of constructions totaling to 204, comprising 65.2 percent of the total number of constructions during the year 2022.

This indicated a 2,450.0 percent increase compared to last year’s 8 total constructions. All constructed residential buildings were of the Single type. No other types of residential buildings were reported. (Table 1 and Figure 1).

Additionally, Non-Residential buildings, totaling to 79, or comprising 25.2 percent of the total, ranked next in the hierarchy of number of constructions. This type of construction had 393.8 percent increase compared to last year’s 16 constructions. Majority of these constructions were Commercial buildings, comprising 74.7 percent. (Table 1 and Figure 2).

Alteration and Repair constructions totaled to 29, comprising 9.3 percent of the total while Addition projects comprised only of 0.3 percent, with only 1 total construction in 2022.

VALUE OF CONSTRUCTION 

In the year 2022, the total value of construction amounted to PHP 307.01 billion, an addition of PHP 237.89 billion from last year’s PHP 69.12 billion. This indicated a 344.2 percent annual increase. (Table 1). 

Accounting for 54.15 percent of the province’s total value of construction, Non-Residential constructions amounted to PHP 166.24 billion. This signified a 197.3 percent increase compared to the previous year of 2021. (Table 1 and Figure 3).

Moreover, the province’s total value of construction of Residential constructions amounted to PHP 114.53 billion, accounting for 37.3 percent. This signified a 767.3 percent increase compared to the previous year of 2021. (Table 1 and Figure 4).

Additionally, Alteration and Repair constructions amounted to PHP 25.10 billion, comprising 8.2 percent of the total value of construction of Davao del Sur, while Addition projects comprised only of 0.4 percent, amounting to PHP 1.14 billion 2022.

Floor Area 

The total floor area of construction during recorded at 2022 was in the level of 46.67 thousand square meters. This interpreted to an 801.3 percent increase percent annual increase – with an addition of 41.49 thousand square meters from 51.78 thousand square meters. (Table 1). 

The total area of construction for Non-Residential constructions was at 28.42 thousand square meters. This showed an annual increase of 584.5 percent from 4.15 thousand square meters. (Table 1). 

Additionally, the total area of construction for Residential constructions showed an annual increase of 1,668.9 percent from 1.03 thousand square meters. It was recorded at 18.15 thousand square meters. (Table 1). 

Average Cost per Square Meter 

On average, the total cost of construction per square meter in 2022, excluding those for alteration and repair, and other non-residential construction, was recorded at PHP 6,578.56. This is a significant decrease of 50.7 percent from PHP 13,348.40 
per square meter. (Table 1).

Among the types of construction, Addition to existing structures had the highest average cost per square meter at PHP 11,780.81. This was followed by Residential construction at PHP 6,310.64 per square meter, then by Non-Residential construction 
at PHP 5,848.88 per square meter. (Figure 5).

Single Residential construction cost an estimated PHP 6,310.64 per square meter. This is the only type of Single Residential construction reported in 2022. 

On the other hand, Non-Residential construction cost an estimated PHP 5,848.88 per square meter. Commercial building construction had the highest average cost per square meter among the Non-Residential construction Types amounting to PHP 7,831.98. This was followed by Agricultural construction with PHP 7,071.19 per square meter, then by Industrial construction with PHP 6,702.47 per square meter, and lastly Institutional construction with PHP 3,934.89 per square meter. (Table 2).

Technical Notes: 

Definition of Terms (Adopted from the Revised and Updated IRR of the National Building Code) 

Building permit is a written authorization granted by the LBO to an applicant allowing him to proceed with the construction of a specific project after plans, specifications, and other pertinent documents have been found to be in conformity with the National Building Code (PD 1096). 

Building refers to any independent, free-standing structure comprised of one or more rooms or other spaces, covered by a roof and enclosed with external walls or dividing walls, which extend from the foundation to the roof. 

Construction refers to all on-site work done from site preparation, excavation, foundation, assembly of all the components and installation of utilities, machineries, and equipment of buildings/structures. 

Residential building is a building for which its major parts or more than half of its gross floor area is built for dwelling purposes. This type of building can be of the single type, duplex, apartment and/or accessoria, and residential condominium. 

Single house is a complete structure intended for a single family or household, i.e., bungalow, 2-storey house, nipa hut, etc. 

Duplex house is a structure intended for two households, with complete living facilities for each; it is a single structure divided into two dwelling units by a wall extending from the floor to the ceiling.

Apartment is a structure, usually of two storeys, made up of independent living quarters, with independent entrances from internal walls and courts. 

Accesoria is a one or two-floor structure divided into several dwelling units, each dwelling unit having its own separate entrance from the outside. 

Residential condominium is a structure, usually of several storeys, consisting of multiple dwelling units. 

Other residential construction consists of school or company staff houses, living quarters for drivers and maids, and guardhouses. 

Non-residential building includes commercial, industrial, agricultural, and institutional buildings. 

Commercial buildings refer to office buildings and all buildings which are intended for use primarily in wholesale, retail and service trades; i.e., stores, hotels, restaurants, banks, disco houses, etc. 

Industrial buildings are buildings used to house the production, assembly, and warehousing activities of industrial establishments; i.e., factories, plants, mills, repair shops, machine shops, printing press, storage plant, electric generating plants. 

Institutional buildings are buildings which primarily engaged in providing educational instructions and hospital/health care; ports, airports and other government buildings; i.e., school, museums, libraries, sanitaria, churches, and hospitals. 

Agricultural buildings are buildings used to house livestock, plants, and agricultural products such as barn, poultry house, piggeries, stables, greenhouses, and grain mill. 

Other non-residential constructions include cemetery structures, street furniture, waiting sheds, communication towers, etc. 

Addition refers to any new construction which increases the height or area of an existing building/structure. 

Repair is a remedial work done on any damaged or deteriorated portion/s of a building/structure to restore its original condition. 

Renovation is any physical change made on structures to increase their value and quality.

Alteration is a construction in a building/structure involving changes in the materials used, partitioning and location/size of openings, structural parts, existing utilities and equipment but does not increase the overall area thereof. 

Conversion is a change in the use or occupancy of structure or any portion thereof, which has different requirements. 

Demolitions refer to the systematic dismantling or destruction of a building/structure, in whole or in part. 

Street furniture are street structures consisting of monuments, waiting sheds, benches, plant boxes, lampposts, electric poles, and telephone poles.

Approved for Release:


(SGD) ROGELIO T. LEBRIA
Chief Statistical Specialist
Davao del Sur Provincial Statistical Office