Civil Engineering

Yes. Securing this information before acquiring a site is vital. Our civil engineers provide early feasibility assessments to identify technical constraints that could impact development potential, such as drainage requirements, flood risk, highway access, utility connections, ground conditions and topography. This enables developers, investors and landowners to make informed decisions, understand development risks and minimise the likelihood of unexpected costs arising after purchase.

A civil engineering consultant is typically appointed during the feasibility or pre-planning stage of a development. Early involvement allows key constraints, opportunities and associated costs to be identified and considered before significant financial commitments are made. Our civil engineers can assess factors such as drainage requirements, flood risk, highway access, utility infrastructure, ground conditions and site levels. This early advice helps reduce planning risk, improve cost certainty and minimise the likelihood of costly redesigns or unforeseen issues later in the project.

In most cases, yes. Civil engineering input is required to support planning applications and demonstrate that a development can be delivered in a practical and sustainable manner. Local planning authorities often require technical information relating to drainage, flood risk, highway access and infrastructure as part of the planning process. Our civil engineers would prepare the reports, drawings and supporting information needed for planning submissions, while identifying technical constraints and opportunities at an early stage. This helps provide greater cost certainty, informs design development and supports discussions with the local authority and other stakeholders. At Wintech, our experienced civil engineers work closely with clients to develop practical and cost-effective solutions that support planning approval while keeping project objectives and budgets in focus.

The civil engineering reports required to support a planning application will depend on the location, size and nature of the proposed development. Local planning authorities and statutory consultees may require a range of technical documents to demonstrate that the development can be delivered safely, sustainably and without unacceptable impacts on the surrounding area.
Commonly required reports and supporting documents include:
• Drainage Strategy Reports
• Flood Risk Assessments (FRA)
• Sustainable Drainage Systems (SuDS) Strategies
• Levels and Earthworks Strategies
• Transport Assessments and Highway Access Appraisals
• Utilities Assessments and Infrastructure Statements
• Foul and Surface Water Drainage Assessments
• Water Management Strategies
• Construction Logistics and Access Plans
The specific requirements will vary from site to site. Factors such as flood risk, topography, existing infrastructure, ground conditions and local planning policy will influence the scope of information needed. Our civil engineering consultants can identify the relevant requirements at an early stage, coordinate the preparation of technical documents and create a robust planning submission proportionate and tailored to the project needs.

One of the biggest risks affecting any development is unforeseen infrastructure and construction costs. These can arise from issues that are not identified during the early stages of a project and, in some cases, can have a significant impact on the overall viability of a scheme. Common infrastructure risks include:
• Inadequate drainage capacity or challenging drainage requirements
• Flood risk constraints
• Poor ground conditions or contamination
• Difficult earthworks due to site levels and topography
• Restricted highway access or highway improvement requirements
• Limited utility capacity or costly service diversions
• Abnormal foundation requirements
• Third-party land constraints and easements
Many of these risks can remain hidden until detailed design or construction begins, often resulting in programme delays and additional costs. Early civil engineering feasibility assessments help identify potential constraints before land acquisition or significant financial commitments are made.

In many cases, yes. The level of assessment required will depend on the location, size and nature of the proposed development. For some sites, a simple review of Environment Agency flood mapping and a supporting planning statement may be sufficient. For others, a detailed Flood Risk Assessment (FRA) will be required. FRA are commonly needed for developments located within Flood Zones 2 and 3, for sites affected by surface water flooding, or where required by local planning policy and national planning guidance. Civil engineers assess flood risk from a range of sources, including:
• Rivers and watercourses
• Surface water runoff
• Groundwater
• Reservoirs and other artificial sources
• Existing drainage networks
Where risks are identified, mitigation measures can be developed to reduce potential impacts and improve the resilience of the proposed development. These may include Sustainable Drainage Systems (SuDS), finished floor level adjustments, flood storage solutions and drainage infrastructure improvements.

In most cases, yes. New developments are generally expected to incorporate Sustainable Drainage Systems (SuDS) to manage surface water runoff in a sustainable manner and reduce the impact of development on the local drainage network.
SuDS solutions can include:
• Attenuation tanks and underground storage systems
• Permeable paving
• Swales and filter strips
• Detention basins
• Blue roofs and green roofs
• Ponds and other surface water features
• Rain gardens and landscaped drainage features

These measures have grate environmental impact to mitigate adverse effects of development, help control runoff rates, reduce flood risk, improve water quality and support long-term climate resilience. Our experience civil engineering consultant can assess the site’s drainage constraints and opportunities, develop an appropriate SuDS strategy and design a cost-effective solution that integrates effectively with the wider development.

The surveys and investigations required will depend on the stage of the project, the proposed development and the information already available. Our experience civil engineering consultants will tailor the scope of investigations to suit the project’s objectives, helping to avoid unnecessary costs while obtaining the information needed to make informed decisions. Common surveys and investigations may include:
• Topographical surveys
• Utility searches and utility surveys
• CCTV drainage surveys
• Ground investigations and geotechnical surveys
• Flood risk data reviews
• Ecology and environmental constraints information
• Existing highway and infrastructure assessments
• Site levels and boundary verification surveys
In many cases, some information can be obtained through desktop studies and existing records before commissioning detailed on site investigations. Let us recommend the most appropriate investigations for your development, helping to avoid unnecessary expenditure and focus resources where they add the greatest value.

Well-considered engineering solutions can reduce the extent of enabling works, minimise material quantities and improve construction efficiency, helping to achieve better value throughout the development process.

At Wintech, we focus on delivering practical, cost-effective solutions that balance technical performance, sustainability and commercial objectives, helping clients maximise the value and viability of their developments.

These are some of the most common statutory agreements associated with the delivery and adoption of infrastructure required to support new developments.
• Section 38 Agreement – relates to the adoption of new highways by the local highway authority.
• Section 104 Agreement – relates to the adoption of new sewers by the relevant water authority.
• Section 106 Agreement – a planning obligation between the developer and local planning authority that secures contributions, mitigation measures or other requirements necessary to make a development acceptable in planning terms.
• Section 185 Agreement – relates to the diversion of existing public sewers where they are affected by a proposed development.
• Section 278 Agreement – covers alterations and improvements to existing public highways required to facilitate a development.
These agreements are often critical to the successful delivery of a development and can affect programme, costs and infrastructure adoption. Our civil engineering team can prepare the required designs and technical submissions, while coordinating with local authorities, water companies and other stakeholders to secure the necessary approvals.

Our civil engineering team plays an important role in supporting sustainable development through efficient infrastructure design, Sustainable Drainage Systems (SuDS), earthworks optimisation, reduced material use and resilient site planning. At Wintech, we consider sustainability throughout the design process, helping clients develop practical solutions that balance environmental, social and commercial objectives. Thoughtful engineering design can reduce waste, minimise the consumption of natural resources, manage surface water more effectively and improve the long-term performance of infrastructure. Our goal is to integrate sustainability into civil engineering decisions, reduce development environmental impact, improve climate resilience and support wider project sustainability while maintaining cost-effectiveness and buildability.

Civil engineers provide support throughout the entire project lifecycle, from feasibility studies and site appraisals through planning, detailed design, construction and completion. Early involvement helps identify risks, constraints and opportunities, while ongoing input supports planning approvals, infrastructure design and successful project delivery. The diagram below illustrates the typical involvement of a civil engineering team across the RIBA Plan of Work stages and the value they add at each stage of a development