Communique on 2026 Construction Approximate Unit Costs to be Used in the Calculation of Architectural and Engineering Service Fees
AI-generated summary for informational purposes only. Not legal advice. See the original source for the authoritative text.
This Turkish government communique, published in the Official Gazette on 3 February 2026, establishes the official approximate unit construction costs (TL per square meter) for 2026. These rates are used to calculate architectural and engineering service fees according to the 1985 Regulation. Costs are categorized into five main classes (I to V) with multiple subgroups (A to E), ranging from 2,600 TL/m² for the simplest agricultural structures to 103,500 TL/m² for wind power plants. All figures are VAT-exclusive and include 15% general expenses and 10% contractor profit. The communique provides detailed criteria for classifying buildings, rules for determining the class of unlisted structures using metered quantities and Ministry unit prices, and clarifies that land, landscaping, and infrastructure costs are excluded.
AI-generated summary. May contain errors. Refer to official sources for legal decisions.
Key Changes
- Official 2026 unit costs range from 2,600 TL/m² (Class I-A simple agricultural structures) to 103,500 TL/m² (Class V-E wind power plants)
- All rates are VAT-exclusive and include 15% general overhead plus 10% contractor profit
- New detailed classification system with five main classes and multiple lettered subgroups based on building type and technical specifications
+ 3 more changes with Pro
Obligations
What this law requires
Use the 2026 approximate unit construction costs (TL/m²) specified in this communique when calculating architectural and engineering service fees according to the 1985 Regulation (85/9707)
Classify buildings into one of five main classes (I to V) with subgroups (A to E) based on the detailed criteria provided in the communique before calculating service fees
Apply all unit cost figures as VAT-exclusive amounts that include 15% general expenses and 10% contractor profit
Exclude land, landscaping, and infrastructure costs from the construction cost calculations when determining building classification and service fees
For unlisted building structures, determine the appropriate class using metered quantities and Ministry unit prices as prescribed in the communique