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We're working to improve flood resilience in Sleaford
We have created this engagement page to provide communities and stakeholders with information about our work to improve flood resilience along the River Slea in Sleaford. Here you can find the latest project news and updates, learn about our progress, and discover opportunities to get involved.
What is the Slea Flood Resilience Project?
The River Slea is an important part of Sleaford's natural and historic environment, but it faces increasing challenges from both flooding and low river flows.
Many of the structures that we use to manage water levels, such as sluices, gates and weirs, are ageing and nearing the end of their design life. The project is focused on improving four key locations along the river in Sleaford, including Cranwell Line Sluice, Carre Street, Swimming Bath Sluice and Cogglesford Mill Tilting Weir.
It is exploring ways to improve how the river functions, support local wildlife, and create a more resilient watercourse that can better cope with flooding and drought in the future.
The four key locations this project is focussing on.
Get involved!
There are plenty of ways you can get involved.
Register with Engagement HQ to to interact with the tools on the page.
Subscribe to this page to add it to those that you follow. We do not issue auto-notifications, so please do come back and check for updates.
Check the Newsfeed sectionat the bottom of the page for regular project updates. We'll be posting new information often so please visit again soon.
We will continue to add useful content to the Page for your reference.
Keep an eye on our Community events section for information on any upcoming meetings or events.
We're working to improve flood resilience in Sleaford
We have created this engagement page to provide communities and stakeholders with information about our work to improve flood resilience along the River Slea in Sleaford. Here you can find the latest project news and updates, learn about our progress, and discover opportunities to get involved.
What is the Slea Flood Resilience Project?
The River Slea is an important part of Sleaford's natural and historic environment, but it faces increasing challenges from both flooding and low river flows.
Many of the structures that we use to manage water levels, such as sluices, gates and weirs, are ageing and nearing the end of their design life. The project is focused on improving four key locations along the river in Sleaford, including Cranwell Line Sluice, Carre Street, Swimming Bath Sluice and Cogglesford Mill Tilting Weir.
It is exploring ways to improve how the river functions, support local wildlife, and create a more resilient watercourse that can better cope with flooding and drought in the future.
The four key locations this project is focussing on.
Get involved!
There are plenty of ways you can get involved.
Register with Engagement HQ to to interact with the tools on the page.
Subscribe to this page to add it to those that you follow. We do not issue auto-notifications, so please do come back and check for updates.
Check the Newsfeed sectionat the bottom of the page for regular project updates. We'll be posting new information often so please visit again soon.
We will continue to add useful content to the Page for your reference.
Keep an eye on our Community events section for information on any upcoming meetings or events.
As part of the project, we will be carrying out ground investigation works to help us better understand the conditions beneath the ground at key locations along the River Slea.
These investigations will take place around Cranwell Line Sluice, Carre Street Tilting Gate, Swimming Bath Sluice and the embankment opposite Swimming Bath Sluice. Ground investigations are not currently planned at Cogglesford Mill Tilting Gate.
We plan to set up our site compounds and work areas in late October 2026, with investigations expected to begin on 26 October 2026. The work is expected to take around four weeks and be completed by late November 2026. Working hours will generally be between 8am and 6pm. During this time, you may see our teams and specialist equipment working in the area.
At Swimming Bath Sluice, we may need to temporarily close a section of the footpath while the work is taking place. If this is necessary, we will clearly signpost an alternative route.
As part of the investigations, we will drill a number of boreholes to collect soil and rock samples. This information will help us understand the ground conditions and support the design of future improvements along the river.
We will carry out the work in line with an Environmental Action Plan, which includes measures to minimise impacts such as noise and disturbance. Some activities may be noisy at times, but we do not expect the work to cause significant vibration in the surrounding area.
The information gathered through these investigations will help us develop the detailed design of the project, identify opportunities to protect and enhance the local environment, and prepare the Full Business Case.
As part of the project, we will be carrying out ground investigation works to help us better understand the conditions beneath the ground at key locations along the River Slea.
These investigations will take place around Cranwell Line Sluice, Carre Street Tilting Gate, Swimming Bath Sluice and the embankment opposite Swimming Bath Sluice. Ground investigations are not currently planned at Cogglesford Mill Tilting Gate.
We plan to set up our site compounds and work areas in late October 2026, with investigations expected to begin on 26 October 2026. The work is expected to take around four weeks and be completed by late November 2026. Working hours will generally be between 8am and 6pm. During this time, you may see our teams and specialist equipment working in the area.
At Swimming Bath Sluice, we may need to temporarily close a section of the footpath while the work is taking place. If this is necessary, we will clearly signpost an alternative route.
As part of the investigations, we will drill a number of boreholes to collect soil and rock samples. This information will help us understand the ground conditions and support the design of future improvements along the river.
We will carry out the work in line with an Environmental Action Plan, which includes measures to minimise impacts such as noise and disturbance. Some activities may be noisy at times, but we do not expect the work to cause significant vibration in the surrounding area.
The information gathered through these investigations will help us develop the detailed design of the project, identify opportunities to protect and enhance the local environment, and prepare the Full Business Case.
The project has now moved beyond the Outline Business Case stage and is progressing towards a Full Business Case. At this stage, we are developing the detailed designs and preparing the information needed to seek approval and funding for the proposed improvements.
We continue to work closely with North Kesteven District Council as the project develops. Since the Outline Business Case was completed, wider regeneration plans for Sleaford town centre, including the Savoy Cinema development, have changed the options available at Carre Street. As a result, we are reviewing and developing a revised approach for this location.
Design work is also continuing at Cranwell Line Sluice, Swimming Bath Sluice and Cogglesford Mill, where we are progressing the preferred options identified through the earlier stages of the project.
We will continue to refine the designs, work with key stakeholders and share updates as the project progresses.
The project has now moved beyond the Outline Business Case stage and is progressing towards a Full Business Case. At this stage, we are developing the detailed designs and preparing the information needed to seek approval and funding for the proposed improvements.
We continue to work closely with North Kesteven District Council as the project develops. Since the Outline Business Case was completed, wider regeneration plans for Sleaford town centre, including the Savoy Cinema development, have changed the options available at Carre Street. As a result, we are reviewing and developing a revised approach for this location.
Design work is also continuing at Cranwell Line Sluice, Swimming Bath Sluice and Cogglesford Mill, where we are progressing the preferred options identified through the earlier stages of the project.
We will continue to refine the designs, work with key stakeholders and share updates as the project progresses.
River Slea Flood Resilience Project has finished this stage
The project team submitted a plan called an Outline Business Case. This included outline designs for the preferred designs for each of the structures. It also showed the best value for money.
2026- 2027 Detailed design and Full Business Case
River Slea Flood Resilience Project is currently at this stage
The project team will put together a second plan (called a Full Business Case). This will include the Detailed Designs for the different structures and specify how the works will be delivered.
This stage of project will include:
Environmental and ecological surveys
Ground investigation works
Continuing stakeholder engagement
Developing landscape plans
Post 2027
this is an upcoming stage for River Slea Flood Resilience Project
Construction will be subject to the necessary funding and approvals being secured.
Timescales will be reviewed as the project develops, and we will continue to share updates with the community.
The four key locations this project is focussing on.
