Reducing Flood Damage Risks

Updated 4th December 2014

With the recent news being revealed regarding the proposed funding for flood defence schemes across the UK, I thought it would be a timely reminder to look into detail at the potential devastation floods can cause to homes and businesses, and how specifiers can help to prevent potential disaster. The treasury has recently unveiled plans to invest £2.3bn for schemes to protect homes. The £2.3bn will help prevent £30bn of damage in areas including the Thames and Humber Estuaries over the next six years.

Included among the large sale investment is:
•£196m for Thames Estuary projects which ministers say will reduce the risk to more than 8,000 properties
•£42m for a flood alleviation scheme in Oxford

The CCC (Committee on Climate Change) said it was not yet convinced the UK was properly prepared for floods as climate change threatened to make extreme weather worse while 4,000 homes a year were still being built in areas of significant risk. With that in mind, here is some information from some of our leading flood protection, damp-proofing and drainage manufacturers on what specifiers can do to limit the damage to buildings caused by floods.

“Sustainable Drainage Schemes (SDS) play a critical part in flood prevention and are included in the design of most new builds” says Alumasc Rainwater Systems, leading manufacturer of BBA certified aluminium and cast iron rainwater systems.

Alumasc “Reduced flood risks, reduced water bills....the ultimate solution to saving on a rainy day.”

“By extending the storage capacity to include a rainwater harvesting section of the tank, you will not only prevent flood risks but reduce the amount of water going to drain or local water courses by recycling it for use in your building. It makes sense whilst you have contractors on site and are excavating for your attenuation tank or soakaway, to install rainwater harvesting too."


Alumasc has just launched a new partnership with Stormsaver Rainwater Harvesting and is able to provide a combined attenuation/rainwater harvesting solution for all types of building. Read the full details here.

For more information, visit Alumasc’s website or email the company.

John Newton
“Many properties that have suffered from flood damage previously are now installing basement waterproofing systems to combat the risk of flooding” says John Newton Waterproofing Systems, leading supplier of structural waterproofing systems, water control and drainage products.

“This simple approach means that if your property has been flood damaged before then your saturated walls can dry out behind the membrane and allow for a permanent finish to be applied.”

John Newton

When heavy flooding devastated the village of South Hinksey in Oxford a couple of years ago, a Newton System 500 waterproofing system was installed to three Listed cottages to prevent such instances reoccurring. Read the full case study here.

For more information, visit John Newton Waterproofing Systems’ website or email the company.

“Many will be directly affected by river or coastal flooding, but more homes are damaged indirectly by the backflow of sewage.” says Marley Plumbing & Drainage, a leader in innovative rainwater and drainage solutions.

Marley “The causes can include severe storms, breakdown of pumping plant or blocked pipelines and the financial losses caused by sewage flooding events can be in the region of £30,000 to £50,000 per property.”


The Marley anti-flood (or non-return) valves have been designed to prevent backflow from surcharging sewers. Wherever there is danger from rising water backing up into a property through the drainage system the valve will close off the backflow automatically to prevent flood damage.

For more information, visit Marley Plumbing & Drainage's website or email the company.

"Legislative developments in the UK are changing water management” says ACO Water Management, a company globally recognised for its drainage and surface water management solutions.

“It is essential that specifiers adopt sustainable solutions and related technologies early. Measuring flood risk, and limiting the potential damage that it can cause, should be a primary consideration with any new build.”

ACO Based in Bedfordshire, ACO Water Management is at the forefront in promoting a new generation of sustainable drainage solutions, and this is contributing significantly to how specifiers legislate for flooding and future-proof new builds against the worst excesses of potential storm water damage.

ACO’s unique surface water management model comprises of four operational stages: collect, clean, hold and release. These processes are encapsulated in ACO’s systems – a current example is ACO StormBrixx. Crucially, this model ensures that projects meet the legal requirements now overseeing the management of surface water in the UK.

For more information, visit ACO Water Management’s website or email the company.

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Posted by
Paul Ricci - Editorial Account Manager

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