Flood Risk Assessment in Staffordshire

Our team at Unda use years of experience to prepare comprehensive flood risk assessments and drainage strategies for commercial and residential sites right across Staffordshire. A flood risk assessment in Staffordshire shows your local planning authority that a development will stay safe from flooding for its whole lifetime, without pushing flood risk onto anyone else.

Staffordshire is shaped by one river above all others. The Trent rises on Biddulph Moor, gathers the Sow, Penk, Tame, Dove, Churnet and Blithe along its way, and drains almost the whole county as it runs through Stoke-on-Trent, Stone, Rugeley and Burton upon Trent. We assess every source that matters here, from these main rivers to the surface water that overwhelms drains in Cannock, Tamworth and Lichfield, then deal directly with the Environment Agency and the relevant lead local flood authority on your behalf, guiding architects, planning consultants, developers and landowners through to approval.

If you need a quote or want to talk a site through, contact one of our experienced flood risk consultants on 01293 214444.

Flood risk assessment in Staffordshire at a glance

• One county, two flood authorities. Staffordshire County Council is the lead local flood authority for most of the county, while Stoke-on-Trent City Council is a separate unitary authority covering the Potteries. We work with both.
• The Trent system drains the county. River risk from the Trent, Sow, Penk, Tame and Dove dominates, while fast-rising surface water is now the most widespread flood risk in the towns.
• £12.6 million on one scheme alone. The Environment Agency's Fowlea Brook scheme in Stoke-on-Trent, completed in 2026, protects 333 homes and businesses and has helped unlock major regeneration.
• Flood Zone 1 is not a free pass. Since the September 2025 Planning Practice Guidance update, surface water risk can trigger an assessment even on a Flood Zone 1 site.

Check flood risk anywhere in Staffordshire

Staffordshire and Stoke-on-Trent are outlined below. Screen any postcode in the county against Environment Agency data for rivers and sea, surface water and the planning flood zones, with a climate outlook to 2125. It is an indicative first pass, not a substitute for a site-specific assessment.

Flood risk in Staffordshire: the Trent and its tributaries

Almost all of Staffordshire drains through the River Trent. River flooding therefore dominates the county, from the Potteries down to the Trent washlands at Burton upon Trent, but surface water is now the most widespread risk in the built-up areas, and groundwater and canals matter on the right site. Most schemes here face more than one source at once, which is why a desktop map rarely satisfies a planning officer on its own.

The Trent rises on Biddulph Moor, north of Stoke-on-Trent, and gathers the Sow and Penk around Stafford, the Blithe and Tame in the south, and the Dove, Churnet, Manifold and Hamps from the Staffordshire Moorlands. A heavy, prolonged rainfall event in the uplands becomes a flood peak in the lowlands a day or two later. Working out which watercourse drives the risk on a given site, and how it behaves, is the heart of a credible main river or ordinary watercourse assessment.

• Rivers (fluvial). The Trent and its tributaries carry the highest river risk — the Sow and Penk at Stafford, the Dove along the Derbyshire border, and the Trent itself through Stoke, Rugeley and the Burton washlands. Land in Flood Zones 2 and 3 along these corridors almost always needs an FRA.
• Surface water (pluvial). Now the most widespread flood risk in England. Intense rain overwhelms drains in Cannock, Tamworth, Lichfield, Rugeley, Stafford and Burntwood, all of which sit among the county's higher surface-water-risk towns. Since the 2025 PPG update, surface water on the Flood Map for Planning can trigger an assessment even on a Flood Zone 1 site.
• Groundwater. The Sherwood Sandstone aquifer beneath much of the Trent valley and the limestone of the Moorlands can raise water tables that flood low-lying ground and basements without showing on a river map — critical for any soakaway or below-ground level. See groundwater flood risk in planning.
• Canals, ordinary watercourses and reservoirs. The Trent & Mersey and Staffordshire & Worcestershire canals, countless brooks and several large reservoirs cross the county; works affecting an ordinary watercourse usually need ordinary watercourse consent from the lead local flood authority.

The Potteries are the textbook case for why a single map is never enough: Stoke-on-Trent sits at the head of the Trent with steep, heavily urbanised catchments like Fowlea Brook and Lyme Brook, so a scheme there has to reconcile river risk with rapid surface water at the same time. Our wider notes on how a flood risk assessment is done and on flood return periods and probability set out how these sources are weighed.

A history of flooding in Staffordshire

These dated events are why authorities here scrutinise development so closely, and why a flood risk assessment in Staffordshire has to be evidence-led rather than generic. Each one reshaped local policy and the flood defences a developer now has to design around.

• 1947 — the post-war thaw. A sudden thaw on heavy snow, followed by rain, caused severe flooding all along the Trent valley — still one of the largest recorded floods on the river, and a benchmark for the county's fluvial risk.
• 2007 — the summer floods. The wet summer that triggered the Pitt Review and the Flood and Water Management Act 2010 brought significant flooding across southern Staffordshire, one of a run of events the local Strategic Flood Risk Assessment still cites.
• 2012 and 2013–14 — repeat events. Summer 2012 and the wet winter of 2013–14 again flooded low-lying parts of the Sow, Penk and Trent corridors, reinforcing how often the same ground is affected.
• June 2016 — surface water. Intense summer storms overwhelmed drainage in several Staffordshire towns, a reminder that pluvial flooding strikes well away from any main river.
• October 2023 — Storm Babet. Roads were submerged across East Staffordshire and crews rescued people from flood water at Great Haywood near Stafford, while the Trent washlands at Burton ran extremely high. Staffordshire sat under flood warnings for days.
• January 2024 — Storm Henk. The Trent reached its highest recorded levels at Burton upon Trent, where flood defences completed in June 2022 protected hundreds of properties — a clear demonstration of why defences matter and why residual risk still has to be assessed.

A pattern runs through all of it: ground that flooded once tends to flood again. A robust assessment treats this recorded history as evidence, not background colour.

Flood defences and schemes protecting Staffordshire

Major investment has followed these events, and the schemes change what a development next to them has to prove. A new defence reduces the chance of flooding, but it never removes it, and planning policy still expects the residual risk to be assessed.

• Fowlea Brook, Stoke-on-Trent. A £12.6 million Environment Agency scheme completed in 2026 — new walls, embankments and a flood gate, with over 500 metres of channel upgraded for another 60 years — now protects 333 homes and businesses and reopened 6.5 km of brook for fish.
• Regeneration unlocked. That scheme has helped release around £15 million of housing already under construction (238 homes), with six further sites and a regional AI hub worth over £60 million in the planning system — flood management and growth working together.
• Burton upon Trent. Flood defences completed in June 2022 protected hundreds of properties when the Trent peaked during Storm Henk in January 2024, and the Burton washlands continue to provide vital flood storage on the river.
• Defences do not erase the flood zone. The Flood Map for Planning is drawn as if defences are not there, so a defended site at Burton or Stoke can still sit in Flood Zone 3 and still needs its residual risk assessed.

This is the catch for developers: a defended site can look safe on the ground and still sit in a high flood zone on the map. Climate change makes the point sharper, which is why an assessment applies the Environment Agency's allowances over the development's lifetime — and why a robust desktop study draws on LiDAR data and, where ground levels are critical, a topographical survey. The national picture in housing and flood risk shows why this scrutiny is only increasing.

Planning policy and your Lead Local Flood Authority in Staffordshire

Two kinds of authority set the rules. The Environment Agency leads on the main rivers — the Trent, Sow, Penk, Tame and Dove. A Lead Local Flood Authority (LLFA) leads on surface water, groundwater and ordinary watercourses — and Staffordshire has two of them.

Staffordshire County Council is the LLFA for most of the county and is also the SuDS Approval Body, publishing a developers' handbook with its local drainage standards and design guidance. Stoke-on-Trent City Council is a unitary authority and the LLFA for the city in its own right. A developer here deals with whichever covers the site, alongside the Environment Agency and the role the LLFA plays as statutory consultee on surface water drainage for major development, a duty created by the Flood and Water Management Act 2010. Our overview of the local planning authority's role on flood and SuDS explains how the pieces fit together, and Staffordshire County Council sets out its own information for planners and developers.

Your assessment and drainage strategy must satisfy national policy — the NPPF and its Planning Practice Guidance — and the local framework: the Shropshire and Staffordshire Local Flood Risk Management Strategy, the relevant Strategic Flood Risk Assessment and the adopted Local Plan flood policies. Where a higher-risk site is involved, the Sequential and Exception Tests apply — an area we examine in our note on applying the Sequential Test post-Mead. On drainage, the 2025 national SuDS standards and the four pillars of SuDS shape what each LLFA will accept.

What your flood risk assessment in Staffordshire must show

• Risk assessed from every credible source, using the Flood Map for Planning and NaFRA2 data together with local information.
• An appropriate location, tested against the Sequential Test where policy requires it.
• Safe for its lifetime, once the Environment Agency's climate change allowances are applied — generally 100 years for housing.
• No increase in flood risk elsewhere, with attenuation and, where needed, compensatory storage following the local source-control drainage hierarchy.
• Residual risk managed, with safe access, egress and finished floor levels — the details that decide whether an application clears or stalls.

Development and flood risk assessment in Staffordshire

Staffordshire's development is as varied as its geography, and the kind of site you bring forward shapes the assessment you need. The right scope is the difference between a clean approval and a drainage objection that holds an application up for months.

• Urban regeneration in the Potteries. Brownfield and riverside schemes in Stoke-on-Trent often sit close to the Trent and its brooks, needing finished floor levels, safe access and egress, and frequently compensatory storage — exactly the risk the Fowlea Brook scheme was built to manage.
• Greenfield and edge-of-settlement housing. Growth around Stafford, Cannock, Lichfield, Tamworth and South Staffordshire turns on surface water and ordinary watercourses; the 73-home approval at Brewood shows how technical drainage evidence, not headlines, decides outcomes — see what planning policy actually requires.
• Trent-valley and Burton riverside sites. Land along the Trent and Dove brings fluvial modelling, washland storage and climate allowances into the picture, where getting floor levels and freeboard right is decisive.
• Rural and Moorlands schemes. Conversions and new builds in the Churnet, Manifold and upper Dove valleys often respond rapidly to rainfall, so safety, warning time and the right assessment scope carry real weight.

Climate change is not optional here. A Staffordshire assessment must apply the Environment Agency's allowances for higher river flows and rainfall over the development's lifetime, which sets floor levels, freeboard and how much attenuation a drainage scheme needs.

Home buyers and businesses come to us too. A flood question can affect lending and value, and a conveyancing search is not the same thing as a planning-grade assessment. Knowing which you actually need saves time and money — our guide on what a flood risk assessment costs and on why expertise matters explains where the line falls.

How Unda helps with flood risk assessment in Staffordshire

We act as the accurate translation layer between your scheme and the requirements set by the Environment Agency, the relevant Staffordshire LLFA and national planning policy. We are experts on the county's flooding, not a generic report mill.

A flood risk assessment in Staffordshire from Unda assesses every credible source — the Trent, Sow, Penk, Tame or Dove, down to surface water, groundwater, canals and any ordinary watercourse on the boundary — compares modelled flood levels against your proposed floor levels, sets safe access and egress, and recommends mitigation the regulators will accept. We are a CIWEM Business Partner with chartered members, and a senior consultant signs off every report. Where the council needs it, the drainage strategy sits alongside the assessment so the two cases stay consistent and an objection has nowhere to land.

Our flood risk services for Staffordshire

• Flood risk assessment for planning. Site-specific reports that satisfy the Environment Agency and your Staffordshire planning authority.
• Groundwater flood risk. A defensible design water table for sandstone and basement sites, not a guess.
• Surface water drainage strategy and SuDS. Designed to the LLFA's standards from the first sketch.
• Sequential and Exception Test reports. Prepared alongside the assessment where policy requires them.
• Chartered flood risk consultants. Specialists who stay involved past the report to answer objections.
• How a flood risk assessment is done. What a robust report contains and how the process runs.

Staffordshire flood resources and contacts

The most reliable Staffordshire flood information comes from the lead authorities. For an immediate threat to life during a flood, always call 999.

• Check for flooding in Staffordshire. Environment Agency live warnings, river levels and maps at check-for-flooding.service.gov.uk.
• Staffordshire flood risk management. The county council's LLFA strategy, reporting and developer guidance at Staffordshire County Council.
• Stoke-on-Trent flood risk. The unitary authority's flood and drainage information at Stoke-on-Trent City Council.
• Southern Staffordshire planning policy. Water management, flooding and the joint SFRA via Stafford Borough Council.
• Fowlea Brook scheme. The Environment Agency's record of the major flood risk management scheme completed in Stoke-on-Trent.
• Live river levels. Whether the Trent, Sow or Dove are running high right now via our live river levels map.

For flooding from blocked or burst sewers, contact Severn Trent Water. For broader policy context, our notes on the Environment Agency's planning role and on the water authorities behind drainage and planning are a good starting point, and you can browse our other flood risk assessment areas.

Flood risk assessment in Staffordshire: frequently asked questions