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FEATURED CASE STUDY

Habitat Creation Coney Meadows, Droitwich

Coney Meadows is part of a nationwide project to restore the UK’s wetlands. Since the 17th century, large areas of reedbeds have been stripped and converted into agricultural land, massively reducing the number of habitats available for wetland animals.

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FEATURED CASE STUDY

Changing the Shape of the River Derwent, Derby

Following the storm seasons of 2023 & 2024, the EA set out to review its impact on the UK’s waterways. The River Derwent in Derby was flagged after a sonar scan of its navigation identified a scour hole – a direct result of heavy rainfall pushing sediment downstream.

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FEATURED CASE STUDY

Glaxo Smith Klein 
Factory Site,
Greenford Green, 
London

The Rothen Group were approached by Galldris Construction Ltd at the ECI stage to deliver the marine elements of their ambitious redevelopment works to the Glaxo Smith Klein factory site in Greenford Green, London.

All case studies

Nantwich Manhole Culvert

An old brick culvert which is still integral to water management along the Shropshire Union canal needed a new manhole constructing to facilitate safe inspection.

Constructing the new concrete base
Kegworth Deep Lock Repair

The Rothen Group were instructed to undertake the downstream lock gate repair at Kegworth Deep Lock on the River Sour.

Repaired lock gates
Conkers Bank Repair

The Rothen Group were asked to carry out repairs on localised pockets of bank erosion along certain stretches along the busy towpath of the Ashby Canal.

Completed bank repairs with concrete-filled sandbags
Water Vole Habitat Enhancement

The Rothen Group were asked by Canal & River Trust to install coir rolls near Farmers Bridge in Birmingham. The scope of works involved the enhancement and creation of a new habitat for water voles and other species, alongside efforts to improve water quality and flow.

Installing coir rolls
Skipton Dry Stone Walling

The Rothen Group were asked by Canal and River Trust to carry out essential works on a dry stone wall at a bowling club in Skipton, which had partially collapsed, posing a significant risk of leakage.

New dry stone wall
Ditch and Culvert Repairs

After a competitive tender, Hart District Council awarded TheRothen Group repair works to a ditch and culvert along a busy footpath, adjacent to a large junior school in Fleet.

Ditch and culvert
Ashby Coir Rolls

The Rothen Group were asked by Canal & River Trust to carry out repairs to address the eroded bank of the Ashby Canal, which had multiple wash holes and areas of narrow towpath.

Placing 300mm diameter coir rolls
Bramcote Road Bridge Repairs

The Rothen Group were asked by Canal & River Trust to carry out essential bridge repairs on the Ashby Canal. The project required our expertise in not only bridge repair, but brickworks and protected species too.


Bridge in need of repair
Historic Brickworks on Kennet and Avon

The Rothen Group were asked by Canal & River Trust to carry out essential heritage restoration works on a historic lock wall. The project involved repairing a bulge in the brickwork, located below the coping level, which had begun to affect several areas of the structure.


Historic lock wall
Batchworth Canal Wall Rebuild

The Rothen Group were asked by Canal & River Trust to repair a failing waterway wall at Batchworth Moorings on the Grand Union Canal.

Yellow canal barge with digger
Bank Protection on Kennet and Avon

The Rothen Group were asked by Canal & River Trust to carry outbank protection and towpath enhancement works on the Kennet and Avon.

Canal worker in canal with rocks
Access Steps

The Rothen Group were asked by Canal & River Trust, for a design and build solution for installing access steps downto the canal at a number of locations. All materials and plant had to be floated to site due to their remote locations and these boats doubled up as welfare and safe plant storage.

Access steps
Llangollen Canal Banks

The Rothen Group were asked by Canal & River Trust and Kier to assist with the emergency works at Marbury to stabilise the embankment. A 40m section of sheet piled washwall had failed leading to erosion of a narrow embankment between the canal & river. The bank had to be repaired by re-piling the washwall & installing rip-rap at the toe of the rear slope, without allowing further sections of the bank to collapse. 

70ft crane boat loading materials
Bank Slippage in Skipton

The Rothen Group were asked by Canal & River Trust, Kier & JJF to assist with a bank slippage along the canal in Skipton. A 30m stretch of canal bank had slipped into the canal causing an obstruction and blocking the canal to navigation.

Gabion baskets installed
Greensforge Sailing Club

Based at Calf Heath Reservoir in Staffordshire, Greensforge SailingClub was facing problems of weathering and water erosion to its mooring and terracing. To ensure that visitors and club members could continue to use the facilities safely, The Rothen Group was chosen to complete 40 metres of bank stabilisation works, including a new concrete walkway to allow safe access for launching the sailing dinghies.

New sheet piles installed
Don’t Let It Slip: The Rothen Group Repairs Aire and Calder Navigation Following Flood-Related Landslides

The Aire and Calder Navigation has grown over the years and today transports significant amounts of raw materials across West Yorkshire. Following an embankment collapse, The Rothen Group were called on to carry out urgent repairworks and prevent a worsening situation.

Cantilever piles installation
Habitat Creation Coney Meadows, Droitwich

Coney Meadows is part of a nationwide project to restore the UK’s wetlands. Since the 17th century, large areas of reedbeds have been stripped and converted into agricultural land, massively reducing the number of habitats available for wetland animals.

5t wide-tracked amphibious digger dredging out ponds
Changing the Shape of the River Derwent, Derby

Following the storm seasons of 2023 & 2024, the Environmental Agency set out to review its impact on UK’s waterways. The River Derwent in Derby was flagged after a sonar scan of its navigation identified a scour hole – a direct result of heavy rainfall pushing sediment downstream. 

8t digger on wide beam digger pontoon
Gayton Marina Swing Bridgeworks

Our client, ABC Leisure Group, run 21 marinas nationwide. The access road bridge at Gayton Marina had failed, meaning the marina was inaccessible and users had nowhere to park. We needed to provide a fix with a quick turnaround.

Gayton marina swing bridge
Bridge 238, Oxford Canal

The Rothen Group were asked by Canal & River Trust to assist with designing and building a new replacement timber lift bridge on the Oxford Canal.

Removal of the existing bridge
Invasive Species Removal & Management River Colne & River Stort

The Rothen Group have worked with Canal & River Trust, Environment Agency and local River Authorities including River Colne Catchment Action Network, River Stort and Woosh Canoe Club to manage and remove invasive species.

Weed boat and helmsman clearing surface weed
Habitat Creation Rive Nene

Proposed piling works had ceased due to the presence of water voles on the bank to be impacted and a lack of habitat on the offside. The works were required due to severe leaks and the potential to impact neighbouring properties.


 Pre-planted coir roll
Trent Valley – Shardlow & Willington

The Rothen Group were asked by Canal & River Trust and Kier to assist with ‘Transforming the Trent Valley Towpath Project’ at Shardlow & Willington. The towpath needed improving and upgrading with soft bank protection and timber sleeper retaining walls required too. The works were over 2.75km within a Conservation & Heritage Area. 

Team laying the new towpath
London Aquatic Weed Clearance

The Rothen Group were asked by Canal & River Trust to assist with the 

management of weed along 20 miles of London’s waterways for 7months

The Rothen Group clearing weeds
Ashby Towpath, Hinckley

The Rothen Group were asked by Canal & River Trust to assist with repairing and replacing a 250m stretch of well used canal towpath in Hinckley.


Canal at Ashby
Different Options for Bank Protection in Greenford Green, London

The Rothen Group were approached by Galldris Construction Ltd at the ECI stage to deliver the marine elements of their ambitious redevelopment works to the Glaxo Smith Klein factory site in Greenford Green, London. 

Diggers on land and water
Hemingford Lock Landing

The Rothen Group were asked by JN Bentley and the Environment Agency to assist with upgrading a lock landing on River Great Ouse. 

New landing lock installed
Chesterfield Rock Roll and Mattress

The Rothen Group were asked by Canal & River Trust to assist with erosion control along the Chesterfield Canal. Over a 130m stretch of canal bank had slipped into the canal which put the towpath at risk.

Mattress held in place by timber stakes
Greeberfields Skipton

The Rothen Group were asked by Canal & River Trust, Kier & JJF to assist with a bank slippage long the canal in Skipton. A 30m stretch of canal bank had slipped into the canal causing an obstruction and blocking the canal to navigation.

Digger and helmsman installing gabion baskets
River Nene and River Great Ouse

The Rothen Group were asked by JN Bentley and the Environment Agency to assist with the de-shoaling works across numerous sites located on the River Nene & River Great Ouse.

Waterborne plant required due to no land access
Marbury Embankment

The Rothen Group were asked by Canal & River Trust and Kier to assist with the emergency works at Marbury to stabilise the embankment. A 40m section of sheet piled washwall had failed leading to erosion of a narrow embankment between the canal & river. The bank had to be repaired by re-piling the washwall & installing rip-rap at the toe of the rear slope, without allowing further sections of the bank to collapse.

70ft crane boat
South Level Patch Piling at River Cam

The Rothen Group were asked by JN Bentley and the Environment Agency to assist with the stabilisation of the existing asbestos piles along the River Cam. Over 500m of the asbestos piles had failed and a smart solution was required to stop the banks from collapsing.

Waterborne plant carrying digger and materials to site
Macclesfield Canal

The Rothen Group were asked by Canal & River Trust and Kier to assist with repairing several sections of piling and washwall that lay within a Heritage Area. Several separate sections of washwall had either collapsed or rotated with sections of stone coping having fallen into the canal along with sandbag walling. Over 220m of washwall needed to be repaired, whilst the towpath and canal remained open.

Stone copers with a lime cement mortar
Glaxo Smith Klein, Greenford Green London

The Rothen Group were approached by Galldris Construction Ltd at the ECI stage to deliver the marine elements of their ambitious redevelopment works to the Glaxo Smith Klein factory site in Greenford Green, London.

Waterborne plant carrying digger
London & South East: composting of floating weed & floating invasive species

The Rothen Group have worked with Canal & River Trust since 2019 to assist with the management of weed along 20miles of London’s waterways for 7months each year. As part of the project innovation, we successfully compost some of the floating weed including floating pennywort.

Grabber barge moving floating weed

“The Rothen Group’s knowledge has ensured that potential issues were highlighted early, meaning projects run smoothly and on programme. They have a large fleet of plant and operators too, which reassures that the work will be completed safely and with due care.”

Martin Dean

JN Bentley

“The Rothen Group have worked with us and supplied marine, piling and fencing plant for many years. The team have excellent working knowledge of the UK canal system.”

Jim Walton

CPC Civils

“The works were completed to a high standard of quality both ahead of programme and in a safe manner. All parties were really pleased with how smooth the construction phase went.”

Andrew Smith

Mott MacDonald Bentley

“Your crew worked seamlessly to deliver both the headwall and gabion basket lifts safely and efficiently. Their approach to safety, teamwork, and communication made a real difference and helped keep everything on track.”

Adam De'Ath

Canal & River Trust

"The professionalism, communication and quality of the works delivered by The Rothen Group has been exceptional! From the project initiation phase to delivering the hard work on the ground they have been an outstanding contractor to work with."

Charles Hughes

Canal & River Trust

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Case Studies

Click on the map to view examples of the solutions we’ve created to gain more insight into the expertise and quality of work you can expect from The Rothen Group.

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Case Studies

View examples of the solutions we’ve created & gain more insight into the expertise and quality of work you can expect from The Rothen Group.

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