Access the latest building codes, guidelines, and structural directives released by the DUDBC of Nepal.
The latest mandatory seismic design standard (gazetted Nov 2025). Introduces a new 753-local-level zoning map, revised soil categories based on shear wave velocity, expanded scope to underground structures, and updated live/snow load factors.
Superseded by NBC 105:2025. Standardized response spectra, ductility classes, and structural dynamic analysis procedures following the 2015 Gorkha Earthquake.
Establishes structural engineering specifications, mix quality controls, cover requirements, and safety standards for RCC structures.
Specifies safety standards, design principles, structural steel strength calculations, and load factors for steel frameworks.
Simplified prescriptive guidelines and detailing rules for small-scale residential concrete frame structures without calculations.
Defines space planning, public accessibility, ventilation norms, lighting limits, and emergency fire escape exits.
Outlines standard codes for building electrical layouts, distribution boards, wiring methods, and protection grounding.
Approved in 2024 to provide prescriptive reinforcement detailing and design sizes for concrete frame structures that do not use masonry infill walls.
Prescribes ready detailing and structural sizes for columns and beams in masonry-infill RC buildings up to 3 storeys.
Updated codes on land setbacks, layout clearances, green design features, and structural compliance margins.
Sets reinforcement standards for load-bearing brick masonry structures built with standard cement-sand mortar.
Deals with structural safety considerations for mud-based buildings including non-fired soil block and cob structures.
Details material classification, jointing methods, and load-bearing framework principles for bamboo building components.
Prescriptive safety detailing for brick or stone masonry walls using mud bindings, standard for rural residential dwellings.
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Source: All building codes listed here are published officially by the Government of Nepal, Ministry of Urban Development, DUDBC. Please verify any requirements directly with local municipality building permits departments.