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New OS tideline data could strengthen coastal erosion and flood monitoring

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NEW data released by Ordnance Survey (OS) could significantly improve how coastal erosion and flood risk are monitored across Great Britain as sea levels rise and extreme rainfall becomes more frequent.

The continuous tidelines dataset provides a clearer and more accurate picture of where high and low tides fall around the coast and along tidal rivers. The data is expected to support environmental monitoring, flood modelling, and long-term planning as the impacts of climate change accelerate.

Earlier this year, the Environment Agency updated its National Flood Risk Assessment (NaFRA), which for the first time factored in projected climate change impacts. The assessment found that around 6.3 million homes and businesses in England — roughly one in five — are currently at risk of flooding. That figure could rise to one in four properties by 2050.

The Agency has also updated its national coastal erosion risk map, which estimates that around 3,500 properties could be affected by coastal erosion by 2055.

The new OS dataset builds on existing information held in the OS National Geographic Database (OS NGD). Previously separate tidal boundary features have now been automatically merged into continuous high- and low-tide lines, creating two new feature types within the OS NGD Water theme. These can also be used as overlay layers through the OS Tiles API, allowing for clearer visual mapping and large-scale analysis.

The data is expected to support a wide range of environmental and regulatory work, including coastal erosion and flooding modelling, updating boundary features to reflect coastal change, climate change impact assessments, and identifying areas of foreshore that act as natural flood defences.

William Russell, Senior Coastal Process Scientist at the Wales Coastal Monitoring Centre, said the dataset would remove uncertainty from coastal monitoring.

“One of our core values is ‘data, not opinions’. When information is missing, we seek out or collect the data needed to support sound decision-making,” he said.
“The OS Continuous Tidal Boundaries dataset removes uncertainty from our strategic monitoring programme and gives us clearer insight into intertidal extents, delivering cost savings and efficiencies for our survey contractors.”

Ordnance Survey says the data is particularly valuable for environmental policy and regulation, including decisions around water discharge and flood management. Accurately defining the intertidal zone helps identify natural coastal defences, which play a vital role in protecting communities and ecosystems.

Intertidal information has also been enhanced within the Land theme of the OS NGD, with improved coverage of previously obscured areas to create a more complete national coastal dataset.

Lily Brown, Product Manager at Ordnance Survey, said the data would support evidence-based decision-making.

“The OS National Geographic Database contains trusted, accurate features that support everything from climate resilience and infrastructure planning to coastal management,” she said.
“By incorporating authoritative tideline data, we are enabling decisions that will help protect and monitor Britain’s evolving coastlines.”

Following the dataset’s release, Ordnance Survey analysed how ceremonial counties change in size between high and low tide. Merseyside showed the greatest variation, with a nearly 17% difference, followed by Orkney at around 7%.

The analysis also highlighted that counties considered landlocked, such as Nottinghamshire and South Yorkshire, still experience significant tidal influence due to rivers like the Trent and the Don being tidal far inland.

When combined with Unique Property Reference Numbers (UPRNs), the tideline data shows that Greater London has the highest number of homes and businesses within 15 metres of the high-tide line, at around 5,500. Cornwall ranks second with just over 3,000 properties, followed by Devon with around 2,400.

The new data has been released under the Public Sector Geospatial Agreement (PSGA), which provides emergency services and public sector organisations with access to Ordnance Survey data and services.

 

Charity

Vincent Davies raises £13,682 for air ambulance charity

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Independent Haverfordwest store backs lifesaving crews with year of community fundraising

A WEST WALES department store has raised more than thirteen thousand pounds for a lifesaving emergency service after a packed year of community fundraising.

Staff at Vincent Davies Department Store collected £13,682 for the Wales Air Ambulance Charity, after voting the organisation their Charity of the Year for 2025.

The independent retailer organised events throughout the year, including an Easter bingo, bake sales, quizzes, raffles, staff sales, Christmas jumper days and a festive wreath-making workshop. Charity jam jars placed in Café Vincent also helped gather steady donations from customers.

One of the most popular attractions was the store’s charity singing penguin trio, which drew smiles from shoppers of all ages and boosted collections.

Sarah John, Joint Managing Director at Vincent Davies, said: “Raising £13,682 for the Wales Air Ambulance Charity is something we are extremely proud of at Vincent Davies Department Store. As a director, it’s wonderful to see our community come together to support a charity that makes such a lifesaving difference.”

The air ambulance is consultant-led, delivering hospital-level treatment directly at the scene of serious incidents and, when needed, transferring patients straight to the most appropriate specialist hospital.

Working in partnership with the NHS through the Emergency Medical Retrieval and Transfer Service, crews can provide advanced critical care including anaesthesia, blood transfusions and even minor surgical procedures before reaching hospital.

Operating across the whole of Wales, its teams travel the length and breadth of the country by helicopter and rapid response vehicle to reach patients quickly in both rural and urban areas.

This is not the first time the Haverfordwest store has backed the cause. In 2016, staff previously raised £5,831 when the charity was also chosen as their beneficiary.

Mike May, the charity’s West Wales Regional Fundraising Manager, said: “We are so grateful to Vincent Davies Department Store for raising an incredible amount for our charity. Throughout the year they put on a variety of different events and what a successful fundraising year it was.

“The charity needs to raise £13 million every year to keep our helicopters in the air and our rapid response vehicles on the road. By raising £13,682, the staff and customers have played an important part in saving lives across Wales.”

The store says it will announce its Charity of the Year for 2026 in the coming weeks.

 

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Crime

Police assess complaints over Mandelson–Epstein links

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Met says allegations will be reviewed to see if criminal threshold is met following release of US court files

SCOTLAND YARD is reviewing a series of complaints alleging possible misconduct in public office after fresh claims emerged linking former UK ambassador Peter Mandelson to convicted sex offender Jeffrey Epstein.

The Metropolitan Police Service confirmed it has received “a number of reports” following the publication of millions of pages of material by the United States Department of Justice, and will now decide whether any alleged conduct reaches the level required for a criminal investigation.

Commander Ella Marriott said the force would assess each report individually, stressing that a review does not automatically lead to formal proceedings.

The documents, widely referred to as the “Epstein files”, appear to show Mandelson corresponding with Epstein while serving as business secretary during the government of Gordon Brown at the height of the global financial crisis.

According to reports, Epstein was allegedly given insight into internal policy discussions, including proposals around banker bonus taxes in 2009 and details of a eurozone bailout package shortly before it was announced publicly.

Payments questioned

Bank records cited in the US disclosure reportedly show payments totalling 75,000 US dollars made to Mandelson between 2003 and 2004. It is also claimed Epstein paid for an osteopathy course for Mandelson’s husband.

Mandelson has denied any wrongdoing and said he has “no record or recollection” of the alleged transfers.

On Sunday he resigned his membership of the Labour Party, saying he did not want his continued association to cause further difficulty for the party.

In interviews, he dismissed suggestions that Epstein influenced his decisions as a minister and said nothing in the released files pointed to criminality or misconduct on his part.

Pressure mounts

The political fallout has intensified, with Downing Street confirming Keir Starmer has asked Cabinet Secretary Chris Wormald to carry out an urgent review into Mandelson’s historic contacts with Epstein while in office.

Brown has also called for an examination of whether any confidential or market-sensitive information was improperly shared during the financial crisis.

The case is the latest in a series of controversies linked to Epstein’s long-standing relationships with powerful figures on both sides of the Atlantic.

Police emphasised that no charges have been brought and that Mandelson is not currently under criminal investigation, but said the complaints process would be handled “thoroughly and impartially”.

 

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Community

Councillor meets chief constable to address Monkton and Pembroke concerns

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COUNTY COUNCILLOR Jonathan Grimes has met with the new Chief Constable of Dyfed-Powys Police to discuss crime, antisocial behaviour and wider community issues affecting residents in Pembroke and Monkton.

Cllr Grimes, who represents Pembroke St Mary South and Monkton, said the meeting followed his invitation for senior police leaders to visit the area and hear first-hand about local concerns.

The Chief Constable, Ifan Charles, attended alongside officers from the Pembroke Neighbourhood Policing and Protection Team, meeting the councillor in Monkton for what were described as open and constructive talks.

As part of the visit, they also spoke with Monkton Priory Community Primary School headteacher Dylan Lawrence and Danny Nash from Pembrokeshire County Council Housing Services to gather views from education and housing professionals.

Discussions covered a range of issues raised by residents, including domestic abuse, drug and alcohol misuse, antisocial behaviour and environmental concerns such as littering, dog fouling and dangerous or inconsiderate driving.

Cllr Grimes acknowledged recent police successes, particularly in tackling drug-related activity, but said enforcement alone would not solve the area’s challenges.

He said closer cooperation between the police, council services, schools and the wider community would be needed to deliver longer-term improvements.

The councillor added that he plans to encourage residents to form a local community group in the coming weeks, aimed at developing practical solutions and strengthening partnership working across the area.

 

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