Are you dreaming of winning the lottery? 

Whether you would go on the holiday of a lifetime or give some cash to your favourite charity there's one thing most Brits would buy first - a new house.

Tonights record-breaking Euro Millions jackpot is a whopping £150 million, just imagine all the things you could do with that.

Here are some of the most lavish homes in and around Watford to spend your millions on, if you ever win:

Seven bed detached house

The Park, St Albans

£5,000,000

Harrow Times:

This immaculate brand new home in St Albans is the epitome of contemporary luxury design. 

It may not look like much from the outside but your jaw will drop as soon as you step through the door.

With a clear eye of style the owners built this home with a free-flowing open plan living design with seven large bedrooms.

A real millionaires playground this home has a car showroom, cinema, home gym and more.

View more incredible pictures on Zoopla.

Seven bed property 

Newlands Avenue, Radlett

POA

Harrow Times:

Yes, if you won the lottery (big time) you could afford to buy this incredible mansion in Radlett. 

An Instagrammers paradise, this contemporary mansion is like something straight out of a glossy magazine. 

Picture-perfect at every corner the property is aesthetically pleasing throughout and simply oozes grandeur and luxury. 

At over 9,300 square feet this massive mansion has plenty of space for a large family and staff with seven bedrooms, six bathrooms and five reception rooms.

 The jaw-dropping property has a cinema room and impressive home office that could rival the presidential Oval Office. 

For more details visit Zoopla.

Six bed detached house 

Cobden Hill, Radlett

£7,750,000

Harrow Times:

A home gym, library, swimming pool, walk-in wardrobes, six huge bedrooms and a wine cellar ... What more could a millionaire want?

This family home in Radlett ticks all the boxes, with a beautiful contemporary design extending across all three floors meaning you could just move straight in. 

The breath-taking pad is on the market with Lumley Estates and boasts a whopping 8,948 square feet. 

There are six large bedrooms as well as six bathrooms, every room has been uniquely designed to the highest specification. 

Find out more on Zoopla.

Six bed detached house

Cobden Hill, Radlett

£3,999,000

Harrow Times:

This huge family home can be found in the highly sought after location of Radlett, offering easy access to London St Pancras. 

The property has an indoor swimming pool, games room and multiple multiple reception rooms. 

The kiln is the home's most striking design element and houses the master bedroom suite, a living room and the cinema.

Sustainability has been a key factor in Brickfields design and as a result, the property has been awarded Code for Sustainable Homes Level 5.

This  means that the property is essentially self-sufficient, resulting in minimal annual running costs, estimated to be 20% of what would be expected.

Could you see yourself living in this eco paradise if you won the lottery?

See more on Zoopla.

Four bed property

Watling Street, Radlett 

£3,695,000

Harrow Times:

This property is like something straight out of a catalogue, giving major LA millionaire's paradise vibes.

The stunning home has been recently constructed and boasts a breath-taking design throughout.

Sitting on a plot of 0.6 acres this large family home boasts a study, cinema room, swimming pool, detached garage and multiple reception rooms.

See more on Zoopla.

Well, if you won the Euro Millions you could buy all five of these properties.

Which is your favourite? Let us know in the comments.