Civil Engineering

Specialist infrastructure design and assessment for land development, energy, and environmental projects.

Precision Engineering for Complex Environments

At Arthian, our civil engineering team provides highly specialised consultancy to support the successful planning, design, and delivery of infrastructure and land development projects. From feasibility to construction support, we bring precision, clarity, and compliance to every scheme—particularly where engineering challenges intersect with environmental, geotechnical, or ecological constraints.

We understand that many of our clients work in complex regulatory environments, and our role is to streamline the process with clear, technically robust advice. While Arthian operates as a multidisciplinary consultancy, our civil engineering services are delivered by dedicated subject matter experts with deep technical knowledge and sector-specific experience.

Whether you’re delivering a housing scheme, industrial facility, renewable energy site, or managing public infrastructure, we offer practical engineering solutions that integrate seamlessly into broader project goals.

Our Civil Engineering Services

Each of the following services can be commissioned individually or as part of a full-service project team. They are positioned to support landowners, developers, planners, environmental consultants, and engineering contractors throughout the project lifecycle.

Preliminary Site Investigation & Reporting

Roads & Pavement Design

Culvert Design & Assessment

Retaining Walls & Structures

Containment Design

Drainage & Sustainable Drainage Systems (SuDS)

Near Shore Engineering & Underground Cabling

Preliminary Site Investigation & Reporting

A thorough understanding of the site’s physical conditions is fundamental to effective project planning. Our preliminary investigations involve reviewing existing data, undertaking field assessments, and identifying potential constraints such as poor ground conditions, flood zones, protected habitats, or existing infrastructure.
We deliver clear, decision-ready reports that inform early feasibility work, support planning applications, and provide a strong foundation for design.

Roads & Pavement Design

Our civil engineers design public and private roads and hardstandings which consider traffic flow, safety, surface drainage integration, and material sustainability. This includes site access roads, haul road, internal road layouts, hardstandings, car parking areas and swept path assessments to appropriate highway authority standards and planning layouts with planning.
Our designs support smooth vehicle and pedestrian movement, optimise land use, and integrate effectively with Sustainable Drainage Systems (SuDS).

Culvert Design & Assessment

Culverts and watercourse crossings must be correctly designed to manage surface water flow and reduce flood risk. Our services include culvert design, structural assessment, flood modelling, and ecological consideration, particularly where watercourses intersect with roads or development areas. We help ensure Environment Agency and local authority approval through robust hydraulic and structural justification. We also carry out designs for overspanning solutions of existing assets and bridge design.

Retaining Walls & Structures

Where level differences must be retained, we design structural solutions tailored to ground conditions, loading, and aesthetics. Our services include gravity walls, cantilever walls, reinforced soil systems, modular retaining structures and sloped solutions. Each solution is evaluated for its long-term stability, maintenance needs, and integration with adjacent infrastructure.

Containment Design

We provide specialist bund designs and assessments for environmental secondary and tertiary containment. Our team have significant experience in the design, assessment and inspection of upper tier and lower tier COMAH sites and other uses, working to appropriate design and inspection codes of practice. Working closely with tankage and ECI designers, our solutions consider whole project needs.

Drainage & Sustainable Drainage Systems (SuDS)

Drainage design is central to the success of any development, whether the system is adopted or not. We produce robust, policy-compliant drainage strategies and designs that integrate SuDS features such as swales, infiltration basins, and attenuation tanks. Our solutions address water quantity, water quality, biodiversity and amenity benefits in line with Defra and CIRIA guidance.

Near Shore Engineering & Underground Cabling

Our team have excellent experience supporting clients with their nearshore needs including design, inspection or repair of mooring and berthing dolphins, fenders, jetty structures and loading arms.
Renewable energy projects require specialist civil engineering input often with significant existing utility, ground and environmental sensitivities to be considered. We design route alignements, corridor design, haul roads, topsoil storage, fencing, temporary works, drainage and access for these projects. Our experience also includes horizontal directional drilling, wind farm and substation works.

Preliminary Site Investigation & Reporting

Roads & Pavement Design

Culvert Design & Assessment

Retaining Walls & Structures

Containment Design

Drainage & Sustainable Drainage Systems (SuDS)

Near Shore Engineering & Underground Cabling

Focused Civil Engineering Services

Below are our specialised civil engineering services. For more detailed support, visit our focused service pages.

Bund Inspection & Design

We provide specialist bund assessments for environmental containment, flood defence, and landform shaping. Whether designing a new bund or inspecting an existing structure, we assess stability, permeability, vegetation impact, and compliance with environmental regulations. Our bund designs can incorporate clay cores, geosynthetics, and surface water management where required.

Flood Risk (FRA’s)

Planning-Ready Flood Risk Services for Development & Infrastructure

Drainage & SuDS

Sustainable Drainage Systems (SuDS) for Planning Compliance & Design Integration

onshore wind civil engineering consultants

Onshore Wind Cabling Design

Renewable energy projects require specialist civil engineering input. We design cable routes and trench systems for onshore wind farms, considering ground conditions, electrical requirements, and environmental sensitivity. Our experience includes horizontal directional drilling (HDD), cable protection systems, and substation connections.

Why Choose Arthian?

Our Understanding

Deep understanding of planning, infrastructure, and environmental interfaces.

Our Experience

National experience with regional insight and regulatory familiarity.

Integration

Fully integrated with geotechnical, hydrological, and ecological disciplines.

Results Driven

Commitment to technical rigour, clear communication, and long-term outcomes.

Our Latest Projects

View All Projects

Energy Engineering

Rushcliffe Borough Council Heat Decarbonisation Plans

Development of heat decarbonisation plan to support the Council's aim to make services carbon neutral by 2030

Energy Engineering

London Borough of Islington Heat Decarbonisation Plans

Development of 31 comprehensive Site Heat Decarbonisation Plans via Low Carbon Skills Fund (LCSF) Phase 5 funding

Civil Engineering Civil Engineering Design Temporary Works

MORAY WEST CIVIL ENGINEERING DESIGN

Onshore Civil Engineering Design for Transmission & Distribution

Get in Touch

We’d love to hear from you – whether you have a question, a project in mind, want to explore job opportunities, or just want to say hello.

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Environment

Engineering

Planning

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Net Zero & Decarbonisation

Sustainability Consulting

Civil Engineering

Precision Engineering for Complex Environments

Our Civil Engineering Services

Preliminary Site Investigation & Reporting

Roads & Pavement Design

Culvert Design & Assessment

Retaining Walls & Structures

Containment Design

Drainage & Sustainable Drainage Systems (SuDS)

Near Shore Engineering & Underground Cabling

Preliminary Site Investigation & Reporting

Roads & Pavement Design

Culvert Design & Assessment

Retaining Walls & Structures

Containment Design

Drainage & Sustainable Drainage Systems (SuDS)

Near Shore Engineering & Underground Cabling

Focused Civil Engineering Services

Bund Inspection & Design

Flood Risk (FRA’s)

Drainage & SuDS

Onshore Wind Cabling Design

Why Choose Arthian?

Our Understanding

Our Experience

Integration

Results Driven

Our Latest Projects

Rushcliffe Borough Council Heat Decarbonisation Plans

London Borough of Islington Heat Decarbonisation Plans

MORAY WEST CIVIL ENGINEERING DESIGN

Get in Touch

Civil Engineering

Precision Engineering for Complex Environments

Our Civil Engineering Services

Preliminary Site Investigation & Reporting

Roads & Pavement Design

Culvert Design & Assessment

Retaining Walls & Structures

Containment Design

Drainage & Sustainable Drainage Systems (SuDS)

Near Shore Engineering & Underground Cabling

Preliminary Site Investigation & Reporting

Roads & Pavement Design

Culvert Design & Assessment

Retaining Walls & Structures

Containment Design

Drainage & Sustainable Drainage Systems (SuDS)

Near Shore Engineering & Underground Cabling

Focused Civil Engineering Services

Bund Inspection & Design

Flood Risk (FRA’s)

Drainage & SuDS

Onshore Wind Cabling Design

Why Choose Arthian?

Our Understanding

Our Experience

Integration

Results Driven

Our Latest Projects

Rushcliffe Borough Council Heat Decarbonisation Plans

London Borough of Islington Heat Decarbonisation Plans

MORAY WEST CIVIL ENGINEERING DESIGN

Get in Touch

Precision Engineering for Complex Environments