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External flooding in Bewdley

Case study

Property Flood Resilience in a end-of-terrace repeatedly flooded house @ Bewdley

Context

The homeowners have lived in an 18th-century end-of-terrace house in the riverside town of Bewdley, Worcestershire, for 22 years. The property has been flooded numerous times, and the case study focuses on the couple’s experience and adaptation strategies after a major flood event in February 2020.

The property is a residential, end-of-terrace house that has experienced repeated flooding from the nearby river (pic 4). The owners were aware of the flood risk when they moved in and immediately took measures to reduce their vulnerability, such as installing pumps, flood gates, and raising electrical sockets.

Despite their preparedness, the house was flooded in February 2020, with water reaching just below the raised plug sockets. After this event, they made significant changes to their home, including relocating the boiler, installing flood doors and barriers, tiling the floors, and acquiring additional pumps and equipment.

The case study provides valuable insights for homeowners in flood-prone areas, showcasing the importance of preparedness, continuous improvement, and a willingness to invest in flood-resilient measures to protect one’s property and maintain a high quality of life.

Contributor

Mary Long-Dhonau - Flood Mary

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What was done

When the owners purchased the 18th-century end-of-terrace house in Bewdley, they were aware that the property had been flooded numerous times in the past. They immediately took proactive steps to assess the flood risk and develop a plan to reduce their vulnerability.

They implemented a range of both passive and active flood resilience measures:

  • Raised electrical sockets and plug points above the anticipated flood levels.
  • Relocated the boiler from the ground floor to a higher location under the stairs.
  • Tiled the kitchen and hall floors to be water-resistant and fitted steel furniture (pic 5).
  • Installed a stainless-steel kitchen with an integrated cooktop.
  • Purchased pumps for the cellar to remove floodwater.
  • Installed flood doors at the front and back entrances, and a flood barrier as a backup.
  • Installed a flood gate between the hall and the living room (pic 3).
  • Acquired submersible pumps and a puddle pump to actively remove water during floods.
  • Fitted self-closing airbricks to prevent water ingress (pic 7).
  • Waterproofed the external walls with a membrane.
  • Installed non-return valves (pic 6), and a toilet bung (before: pic 1, after: pic 2).

They have developed a comprehensive flood plan that outlines their response strategy. They monitor the river levels and take pre-emptive actions, such as moving their kitchen table and furniture to higher ground, when they anticipate a flood event. This allows them to quickly activate their mitigation measures and remain in their home during floods.

Challenges and positives:

As an older, heritage-style property, this home presented some challenges in terms of integrating flood resilience measures. However, they found several innovative and simple solutions, such as the balcony for evacuation and river monitoring, that have been successfully implemented.

They “would not want to live anywhere else.” Their flood resilience strategy has been tailored to enable them to remain in their property and quickly recover from flood events, rather than pursuing relocation. They continue to learn from each flood event to keep their property protected.

Overall, the owners’ approach to flood resilience in their historic riverside property serves as a valuable case study, showcasing the benefits of proactive, multi-layered flood protection strategies that enable homeowners to remain in their homes and quickly recover from flood events.

Type of flooding: River/fluvial, Sewer/drainage
PFR process: General management and delivery, Preparation, Planning, Design, Operation/maintenance
Approach used: Drainage, Resistance measures, Recoverability measures
Resistance PFR measure: Flood barriers/covers, Flood doors/windows, Flood gates, Self-closing airbricks, Non-return valves, Toilet bungs, Sealing of walls
Recoverability PFR measures: Recoverable flooring, Recoverable location of services, Recoverable fixtures and fittings
Type of property: Residential
Funding: Private, Insurance, FDGiA
Procurement: Private, EA PFR Framework

What was the impact?

The property has been significantly enhanced in terms of flood resilience through various measures. They installed permanent, water-resistant building materials and put critical services in higher locations. Active flood protection systems, including pumps and barriers, were integrated to actively manage floodwaters. They also constructed a balcony for safe evacuation and observation during floods. Additionally, they implemented a comprehensive preparedness plan to proactively respond to flood events.

These resilience measures have directly benefited the owners by enabling them to remain in their home during and after floods. They were flooded in February 2021 and in February 2022 and have managed to keep the water down to about 2cm (less than 1”) only in the hall. They were able to sweep that out once the flood water recedes outside. That means they avoided the prolonged displacement experienced in 2020.

Lessons learnt

What was achieved:

  • Transformed an 18th-century, flood-prone property into a highly flood resilient home.
  • Implemented a comprehensive suite of passive and active flood protection measures.
  • Enhanced the property’s ability to withstand and recover from repeated flood events.
  • Enabled the homeowners to remain in their home during and after floods.

What worked:

  • Proactive approach to flood risk assessment and mitigation when moving in.
  • Integration of permanent, water-resistant building materials and building services.
  • Installation of active flood management systems, such as multiple pumps and flood barriers.
  • Development of a detailed flood preparedness plan to guide their response.
  • Continuous learning and refinement of their flood resilience strategies.

Challenges:

  • Potential challenges of integrating flood resilience measures in a historic, end-of-terrace property, these were overcome through innovative solutions, such as the balcony construction

Gallery

“The homeowners freely admit it is hard work and stressful (especially as they say they “are not getting any younger!”), however all the preparation and adaptation allows them to stay in their home, recover very quickly and not make an insurance claim. They love where they live and would not want to live anywhere else, as they do enjoy being near the river!”

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case studies

Being prepared for potential flooding is an important element of being flood resilient as it leads to approaches to use PFR measures. It’s about understanding your flood risk, now and for the future.