Protecting Your Business
Flooding can seriously disrupt business operations, stock, staff safety, and income. Slough’s mix of retail, industrial units, commercial buildings, and warehouses means many businesses are vulnerable
Read on for practical, local, and resilience-focused guidance for protecting your premises, people, and operations.
BEFORE A FLOOD
- Move essential business equipment, documents, and stock to upper floors or raise them on sturdy shelving.
- Keep insurance documents in a flood‑proof, grab‑and‑go folder.
- Back up all critical customer and business data frequently — ideally using both cloud storage and an offline method.
If you have a ground‑floor kitchen or staff room:
- Lift standalone appliances such as fridges, freezers, ovens, or dishwashers onto plinths or raised platforms to avoid water damage.
- Keep flood barriers (including quick‑fit or lightweight versions) in a designated, easy‑to-access location.
- Install non-return valves on sewer pipes where possible – this prevents sewage backing up into your premises during heavy rainfall.
- Consider flood-resistant upgrades, such as:
- Permeable surfacing for car parks, loading bays, and pathways
- Water-resistant plaster and wall finishes
- Solid floors instead of floorboards
- Move electrical sockets, wiring, and fuse boxes to higher positions if feasible.
As a business, you can contribute directly to reducing community-wide flood risk by installing nature-based features such as:
- Permeable paving in customer parking areas
- Rain gardens at entrances or building edges
- Large-capacity water butts on roof drainage systems
- Green roofs on extensions, storage areas, or outbuildings
These approaches help store, slow, and soak away water locally, reducing pressure on Slough’s drainage systems during storms.
This plan should outline:
- Key recovery steps
- How to restore operations
- Who is responsible for what
- How to communicate with staff and customers
It will save crucial time during and after a flood.
DURING A FLOOD
Helpful resources:
- Deploy flood barriers or sandbags at doors, loading bays, and vents.
- Use lightweight temporary products (available via trusted suppliers such as those listed on the Blue Pages directory).
- Protect important equipment and stock
- Store Documents off the floor
- If your gas, electric, or water supply seems affected, call your supplier immediately.
- If water is close to electrical points, turn off electricity at the mains if it is safe to do so.
- Take photographs of all water ingress, damaged items, and any protective actions you have taken.
- Keep a written log – useful for insurers.
- Create or update your Business Flood Plan.
- Contact your insurer as early as possible
- Early notification will speed up assessments and recovery.
- Wear protective gloves and waterproof boots — floodwater may be contaminated.
- Check whether your business may qualify for local support schemes
AFTER A FLOOD
- Photograph every damaged item, large or small.
- Only begin disposal once you have captured detailed evidence.
- Contact your insurer or broker to start the claim process.
If you have Loss Recovery Insurance, your Loss Adjuster will guide you.
Otherwise, you will need to arrange the following yourself 👇
- Have a Gas Safe engineer inspect all gas appliances.
- Use an approved electrical contractor before switching power back on.
- Ensure the building’s structure is sound before re‑entry.
Removing floodwater too fast can weaken walls and floors.
- Extract roughly one‑third of the water per day to avoid structural damage.
- Use dehumidifiers and ventilation to dry the building gradually.
- If using a generator, never run it indoors – and always use a carbon monoxide detector.
Talk to your insurer and landlord about integrating:
- Water-resistant materials
- Raised plug sockets
- Permeable surfaces
- Rain gardens or planting schemes
- Better drainage or soakaway solutions
Useful Shortlinks for Business Property Owners

NFF
Protecting your property

Slough Borough Council
Business support team
Sustainable Drainage Solutions (SuDS) for Businesses
Businesses have a huge opportunity to support the local area with natural drainage solutions, such as:
- Permeable car parks
- Larger rain gardens
- On-site water storage
- Landscaping that slows water flow
Landscaping to Reduce Surface Water Runoff
- Slowing water down
- Creating space for water
- Redirecting flow safely
Frequently Asked Questions
Simple property-level resilience measures can make a big difference. These include:
- Flood barriers or door guards
- Airbrick covers
- Non-return valves
- Raising sockets and electrics
- Permeable surfacing in car parks and paths
- Rain gardens or planters that direct runoff
Project Sponge can help with advice on nature-based SuDS solutions suitable for small businesses, shops, warehouses, and offices.
SuDS slow, store, and soak away water naturally — reducing water pooling around your premises and relieving pressure on Slough’s drainage network.
Examples suitable for businesses include:
- Permeable paving in delivery or customer parking areas
- Larger rain gardens or planted borders
- Water storage tanks / large water butts
- Green roofs on outhouses or extensions
These improvements can also make your business more appealing, greener, and more efficient.
Depending on the cause:
- Surface water and drains: Slough Borough Council
- Sewer flooding: Thames Water
- River/stream flooding: Environment Agency
- General advice & advocacy: National Flood Forum
If you’re unsure, Project Sponge can help you identify the right authority.
Coverage varies. Commercial properties are not part of the Flood Re scheme (which is for domestic homes), so you need to check your policy carefully.
Keep copies of your insurance documents somewhere safe and easy to grab.
If you’re not certain, speak to your insurer or broker before a flood occurs.
Do not dispose of anything until you’ve photographed it thoroughly for insurance evidence.
Take photos of:
- The item itself
- The damage
- The room or area it was in
- Water levels
Only begin disposal once your insurer gives the go-ahead.
The Blue Pages Directory lists independently verified flood resilience products suitable for commercial premises, including:
- Flood doors
- Barriers
- Pumps
- Property-level protections
- SuDS-related infrastructure
This is the safest place to start.
A good plan should include:
- Key contacts
- Where important items/stock will be moved
- Staff responsibilities
- Evacuation procedures
- Communication channels
- IT/data backup process
- How you will recover and reopen
Project Sponge can provide templates or help you tailor a plan for your premises type.
If you have outdoor space, a garden, or even a flat roof, there are likely improvements that can help.
Depending on the situation, you may be able to access:
- Business interruption insurance
- Local hardship support via Slough Borough Council
- Advice and advocacy from the National Flood Forum
- Project Sponge community support and resilience workshops
Even if you’re unsure where to begin, contacting Project Sponge or the National Flood Forum is a helpful first step.
You can:
- Document repeated drainage issues or pooling
- Submit a written request for resilience improvements
- Share evidence of past flooding
- Highlight that flood resilience investments help protect their asset value
- Ask Project Sponge for a site-informed suggestion sheet to support your case
Sometimes a landlord needs practical examples of what improvements look like — Sponge can help with that too.
Focus on three priorities:
- Protect your building (barriers, valves, raised electrics)
- Prepare your team (business continuity planning)
- Adapt your site with SuDS (rain gardens, permeable surfacing, green infrastructure)
This approach protects your operations and contributes to Slough’s wider flood resilience as a community.
Need support or guidance?
Project Sponge works with Slough businesses to:
- Improve on-site drainage
- Install small-scale SuDS features
- Train teams on property flood resilience
- Identify ways your business can contribute to wider community flood reduction
If you’d like tailored advice or want to explore green infrastructure solutions for your premises, Project Sponge is here to help.



