Cardiff

High Risk Risk Score: 80/100

Flood Risk Overview

Cardiff's coastal location at the mouth of the River Taff, combined with high annual rainfall and extensive recent development on brownfield sites, creates significant surface water flood risk. Storm events in 2020 and 2024 flooded hundreds of properties across the capital.

Key Risk Factors

⚠️ Coastal location
⚠️ high rainfall
⚠️ river estuary
⚠️ recent development
⚠️ brownfield sites

Location Statistics

364,000 Population
1150mm Avg Annual Rainfall
80/100 Surface Water Risk Score
High Risk Classification

Recommended SuDS Solutions

Based on Cardiff's specific risk factors, the following sustainable drainage solutions are recommended:

🌊 Welsh Government SuDS approach
🌊 rainwater harvesting
🌊 permeable paving
🌊 flood storage

How Rainwater Doctor Can Help

Our team has extensive experience designing and installing flood mitigation and rainwater management systems across Glamorgan and the wider UK. For properties in Cardiff, we recommend:

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Site Assessment

Comprehensive flood risk survey tailored to your property's specific location and drainage characteristics in Cardiff.

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System Design

Bespoke SuDS and rainwater harvesting systems designed for local conditions, rainfall patterns, and property type.

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Flood Protection

Property-level flood barriers, non-return valves, and drainage improvements to protect your Cardiff property.

Installation & Maintenance

Professional installation by our certified team, with ongoing maintenance plans to ensure long-term protection.

Get a Free Flood Risk Assessment →

Location Map

Lat: 51.4816, Lng: -3.1791

Quick Facts

  • Risk Level: High
  • Risk Score: 80/100
  • Region: Glamorgan
  • Country: Wales
  • Population: 364,000
  • Annual Rainfall: 1150mm

Protect Your Property

Get a professional flood risk assessment and tailored mitigation plan for your property in Cardiff.

Request Assessment →