Can you go to jail for flying a flag during the World Cup?

Flags have dominated headlines over the past year, from debates over whether raising union jacks or St George's flags are a show of patriotism or prejudice, to local authorities removing flags from their buildings that show support for Ukraine and Pride.

As the football World Cup got under way, Cambridgeshire County Council vowed to remove flags without planning permission from lamp-posts and Huntingdonshire District Council removed an LGBTQ+ flag after it emerged it breached planning rules.

So what flags can you fly in public, on lamp-posts and outside your own home, and could you go to prison for breaking the rules?

No, you cannot fly any flag in public without permission from the landowner. In the case of lamp-posts, this is usually the local highways authority.

It is illegal to paint or attach any picture, letter, sign, or other mark to a highway or to nearby trees or structures – including lamp-posts.

The law allows councils to remove any attached items, but it is down to each authority to decide on their approach.

Cambridgeshire County Council is not alone in its decision to remove unauthorised flags, with councils in Shropshire and Blackpool taking similar measures.

Peterborough City Council says it will only remove flags if they pose a health and safety risk or become tatty.

It depends on the type of flag, but you must always meet maintenance and safety standards.

Any country's national flag and other local flags, for example, do not need permission to be flown outside your house.

The same applies to armed forces flags and those of organisations the UK is a member of such as the United Nations.

Some flags, such as those representing sports clubs or the NHS, do not need consent as long as they comply with rules about the size and positioning of flagpoles.

Those rules also apply to the Pride flag, but some other flags representing the LGBTQ+ community would need consent, such as the Progress Pride flag that Huntingdonshire District Council had been flying.

Anything else, such as flags that represent charities, also need planning permission before they can be flown outside a home.

Flags are covered by advertising regulations and a planning application would cost £610 to submit.

"Lots of councils have an advice service," says environmental and planning lawyer Paul Wyard, from Richard Buxton Solicitors in Cambridge.

"You might have to pay, but I think that is probably the best option if you want to bulletproof anything," he adds.

Paul Bibby has covered the front of his home in Chelmsford, Essex, in St George's crosses to mark every major football tournament since 2010.

The 60-year-old says he sticks to the rules and has never had a problem, although some people on social media try to tell him he might receive a fine or a knock on the door from the police.

The same rules apply to public buildings such as government offices and libraries, but individual local authorities decide what is allowed to fly from their buildings.

Reform UK announced in May 2025 it would only allow councils it controlled in England to fly the union jack and St George's flags.

West Northamptonshire and North Northamptonshire councils were quick to implement the change after Reform began leading the authorities.

Essex, Suffolk, and Norfolk county councils followed suit after Reform won control of them in May.

All three councils have since removed Ukrainian flags from their buildings, which had been flying to show support for the nation since Russia's full-scale invasion in 2022.

Opposition councillors at each authority described the action as "deeply concerning".

One key exception, Wyard says, are flags flown as a memorial.

Helen Sadler was able to make use of that exclusion to continue to fly a flag in memory of her nine-year-old daughter Erin outside the family's home in Colchester, Essex.

Colchester City Council received a complaint in 2024, but it later confirmed the flag was exempt from the usual advertisement regulations.

"We weren't trying to defy the rules," Sadler says.

Wyard says it is down to councils to decide what level of enforcement they take in relation to unauthorised flags.

"The local authority would have to weigh up whether it's proportionate and good value for money and, even if they do think that, they'll then have to consider whether it's in the public interest to bring a prosecution," he explains.

People who attach flags to lamp-posts without consent can be fined up to £2,500.

A council can apply for an injunction to stop people hanging flags in public, which has been done in Oxfordshire.

Breaching an injunction is a more serious offence and could attract a stricter punishment, says Wyard.

Adults who breach an injunction could face an unlimited fine or up to two years in prison.

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