Flood Risk Assessment Surface Water
Our FRAs on surface water are fully aligned with UK planning policy and Environment Agency guidance.
When it comes to assessing surface water flooding risk, we understand it is the leading flood risk in the UK, so we use high-resolution data, flood models and RoFSW maps.
Get your flood risk assessment today.
Surface Water Flood Risk Assessment Services
RIDA Reports provide a range of flooding risk assessment services for planning, and each account for all sources of floods, including surface water. We provide FRA services for:
- Strategic developments
- Major Housing developments
- Minor developments
- Extensions
- Single dwelling
- Basements
Our reports function as:
- Detailed FRA report for planning permission
- Structured to meet review requirements
- Easy to understand plain English for home owners
- Also support any necessary sequential or exception test if required for high-risk flood zones.
Our Clients
Why Choose RIDA for Surface Water FRA
- Specialist Focus: Flood risk and drainage are our core business. We know the planning rules and technical standards thoroughly.
- Comprehensive Analysis: We include surface water risk alongside rivers, groundwater and other sources in every assessment.
- Speedy Turnaround: Get an actionable FRA in as little as 48 hours, without sacrificing detail or quality.
- Planning-Ready Reports: Our reports are written for planning submissions – clear maps, tables, and conclusions tailored to UK policies.
- Reliable Data: We use official flood models and validated data to reduce uncertainty.
- Expert Support: We can advise on Sequential/Exception Tests and other planning steps as part of our service.
Free Quote: Contact us for a no-obligation FRA quote. We’ll review your project details and provide clear pricing.
When is a Surface Water Flood Risk Assessment required?
UK planning rules mandate a flood risk assessment under many circumstances.
For instance, any development in floozonesne 2 or 3 needs an FRA. Even in flood zone 1, an FRA is required if the site is 1 hectare or bigger.
When it comes to surface water, if the RoFSW map shows your site may be at risk of surface water flooding, a Flood Risk Assessment may be required as part of a planning application.
We understand it is challenging to verify a site’s status, as many things play a role in deciding whether your site needs an FRA or not.
Consultants at RIDA Reports can quickly verify your site’s status by examining the official flood maps and historical data.
RIDA Reports obtains credible data from sources such as the Environment Agency and pairs it with our engineers’ expertise and experiences to produce a planning permission-ready flood risk assessment report.
Our service includes
Screening the site for flood risk using maps and LLFA information
Detailed modelling of the 1-in-100-year surface water event (plus climate change) by using the RoFSW map and other official data sources
Recommends mitigation strategies in terms of design, floor levels, emergency Access and Egress
Sustainable drainage strategies in just 5 days to manage runoff
Documentation of all findings in a FRA report for planning submission and formatted for easy review by planners and engineers