The 360 Top Towns for Extra-Marital Affairs

A new cheating map reveals the UK’s 360 top towns for extra-marital affairs with posh Windsor our adultery capital

* The royal town in Berkshire has 1,555 men and women having affairs – 4.29% of the population;
* Sex in the suburbs is booming with the top ten dominated by wealthy South East commuter towns including Henley-on-Thames, Staines, Farnham and Beaconsfield;
* Bournemouth is the most faithful town with less than 1% of the population having affairs;
* Enter your postcode in the  Infidelity Index to find out how many people are cheating where you live

Picture of Windsor Castle just behind the river Thames in Windsor, Berkshire (1)

The cheating capital of the UK is wealthy Windsor in Berkshire, according to a new table of the country’s 360 adultery hotspots.

The town – home of Windsor Castle, one of the Queen’s official residences – has been officially named as the place where a husband or wife is most likely to have an affair.
Windsor has 1,555 people cheating.

The interactive Infidelity Index allows users to search a city, town or postcode to discover how many people are having affairs in any locality.

This year’s table from, the UK’s leading dating site for married people, shows that sex in the suburbs is booming with five wealthy commuter towns in the South East in the top ten.

Click here to find your local figure – based on data from one million postcodes –

Windsor came out highest with 4.29% of the population cheating.
In second place was Penarth in the Vale of Glamorgan with 869 cheats (4.12% of the population), making it the cheating capital of Wales.

Henley-on-Thames in Oxfordshire was third with 458 cheats (3.98% of the population), Barnstaple in Devon was fourth with 931 cheats (3.22% of the population) and another London commuter town, Staines in Surrey, was fifth with 814 cheats (3.16% of the population).

Hamilton in South Lanarkshire, eighth in the UK table, was Scotland’s cheating capital with 1,431 cheats (3.15% of the population).

The most faithful town was Bournemouth in Hampshire – where less than 1% of the population are cheating.

Windsor, where Prince Harry and Meghan Markle married last year,  is one of the UK’s tourism hotspots with 7.6 million visitors a year.

With an average house price of £574,860 – more than double the national average of £242,639 – it is one of the most desirable places to live in the UK. spokesman Christian Grant said: “Windsor is the UK’s new cheating capital.
“It is one of a number of posh commuter towns in the top ten and shows that sex in the suburbs has never been more popular.
“Lots of couples cannot afford to divorce due to the cost of establishing two new homes, so they are sticking with their partner and adding some spice to their marriage by discreetly having an affair.
“They know that with a site such as IllicitEncounters they can have an affair with a like-minded partner who is also looking to cheat. Both sides can have some fun without upsetting things at home.”
The figures are based on IllicitEncounters’ own extensive data on the numbers of Britons cheating.

Since its inception 16 years ago, more than one million people have registered with the site. has seen a 25% surge in registrations in the last five years and each week around 20,000 people are conducting affairs on the site.
The average income of men on the site is £54,000 a year – with most working in professional jobs.

Case study – Helen from Leeds met her future husband after embarking on an affair 
“I met my husband at university. He had a brain tumour and couldn’t have sex because of his medication. Naively I thought I was being a good person or that it would get better with time.
“We had been married six years when I joined I didn’t have a plan in mind or any idea really what I was doing but by this point I was worn down by the lack of intimacy.
“My self-esteem had fallen through the floor and I thought there was something wrong with me. At first I was scared that if men said I was unattractive it would validate how I felt.
“I got a message from my now fiancé. He was easy to talk to and had similar issues in his marriage.

“After a month we met. We didn’t talk about leaving our partners, however, as our home relationships continued to decline, possibly because we now put less effort in, we did decide to be together.

“Since then we have moved in together and got engaged at New Year! I’ve never been so happy. I still struggle to accept his compliments as my past experience still leaves me doubting myself.
“But I now feel part of a team rather than being so lonely, lost and hurt in my marriage.”

NOTES TO EDITOR is the UK’s leading dating website for married people and the leading authority on infidelity. With over 1.2 million genuine UK users since 2004, you’re sure to find your perfect match.

Established in 2004, we have been providing a meeting place for like-minded married and attached people for nearly 15 years. Our members have one thing in common – they are all looking for a little romance outside their current relationship. Whether that’s the occasional bit of flirtatious chat, a regular coffee date, or a full-blown affair, that’s up to them.

We’re always more than happy to talk about – please contact Christian Grant through the details below – but we’re not willing to speak publicly about at this moment in time.

Tel: 020 7729 6098
Twitter: @cheatsafer

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