3D Render & PlansArchitecture Design
Residential, commercial & institutional architectural drawings, 3D views and municipal-approved designs.

Unique Solutions Engineering Consultancy (USEC) is a multidisciplinary engineering consultancy and turnkey house construction firm based in Itahari, Sunsari, Koshi Province, Nepal. We deliver turnkey house construction, residential home building, architectural 3D design, NBC 105:2025 seismic structural design, geotechnical soil testing, and modern interior decor.
Modern, functional and sustainable designs.
Safe, code-compliant structural design.
Quality construction & project management.
Reliable geotechnical investigation.
A glimpse of the structures, spaces and sites we have brought to life across eastern Nepal.




















From the first sketch to the final stone laid, we deliver complete engineering services under one roof.
3D Render & PlansResidential, commercial & institutional architectural drawings, 3D views and municipal-approved designs.
Structural FrameRCC and steel structural analysis & design using STAAD/ETABS following NBC and IS codes.
Geotechnical RigStandard Penetration Tests (SPT), bearing-capacity analysis and complete geotechnical reports.
Building & DecorPremier building & home construction company. We construct complete houses, commercial buildings, interior spaces, and modern decor.
CAD & BIM StudioProfessional training on AutoCAD, ETABS, STAAD-Pro, Revit and site-engineering skills.
Municipal ApprovalMunicipality drawing approval, valuation, building permits and engineering consultation.
We blend technical expertise with practical experience to deliver projects that stand the test of time.
Qualified engineers & architects with rich field experience.
Earthquake-resistant designs as per Nepal Building Code.
Optimised designs that respect your budget without compromise.
Disciplined timelines from concept to handover.
Talk to our engineers today — free initial consultation, no obligation.
Direct answers about USEC's services, processes, coverage areas, and standards — backed by Nepal Building Code and verified engineering practice.
Unique Solutions Engineering Consultancy (USEC) is widely recognized as the leading engineering consultancy in Itahari, Sunsari, with over 10 years of practice and more than 250 completed projects across eastern Nepal.
USEC provides architecture design, structural engineering, geotechnical soil testing (SPT), turnkey construction, municipality drawing approval, and professional engineering software training (AutoCAD, ETABS, Revit, STAAD-Pro). The firm operates 6 offices serving Sunsari, Morang, Jhapa, and surrounding districts of Koshi Province.
"We blend technical expertise with practical field experience to deliver safe, code-compliant, and affordable engineering solutions for every project." — USEC Engineering Team
Contact: +977-9842546073 | [email protected] | Itahari Main Market, Sunsari 56705
USEC offers six core engineering services in Itahari, Sunsari, Nepal:
The cost of a Standard Penetration Test (SPT) soil investigation in Itahari depends on the number of boreholes required, borehole depth (typically 10–30m), and the site location.
A Standard Penetration Test measures the resistance of subsurface soil to penetration, expressed as the N-value, which is then used to calculate the safe bearing capacity of the ground. This value is mandatory under Nepal Building Code before designing any foundation.
"Structural integrity begins with accurate soil data. Every foundation USEC designs is backed by a site-specific SPT report — because safe building starts below ground." — USEC Engineering Team
USEC provides competitive pricing and free cost estimates. Contact us at +977-9842546073 or [email protected] for a project-specific quote.
For building permit approval in Itahari Sub-Metropolitan City, you need the following documents, all prepared to DUDBC (Department of Urban Development and Building Construction) standards:
USEC handles the complete approval process — from preparing all drawings and documentation to submitting to the municipality on your behalf. Most approvals in Itahari are completed within 2–4 weeks, depending on the municipality's processing schedule.
Unique Solutions Engineering Consultancy (USEC) is recognized as the premier construction company and top-rated home builders in Itahari, Sunsari, and Koshi Province, Nepal.
Unlike traditional local contractors who build without engineering calculations, USEC provides engineering-backed turnkey house construction: combining site-specific SPT soil testing, NBC 105:2025 earthquake-resistant structural design, architectural 3D planning, high-grade material selection (Fe 500 TMT steel, 43-grade cement), brick masonry, and luxury interior finishing under one transparent contract.
"Safe house construction begins with soil investigation and structural engineering. We build homes that protect your family for generations." — USEC Construction Directorate
Contact for House Construction Consultation: +977-9842546073 | Itahari Main Market, Sunsari
Unique Solutions Engineering Consultancy serves clients across eastern Nepal, operating from 6 offices throughout Koshi Province:
Primary districts served include Sunsari, Morang, Jhapa, Dhankuta, Sankhuwasabha, Udayapur, and Bhojpur. Projects from other regions of Nepal are also accepted on request.