If you dream of leaving behind your messy house share to live alone, you should be prepared to pay over £15,000 more a year in west London.
Shocking new figures researched by getwestlondon 's data team reveals splashing out on a one bedroom flat could cost you thousands more in rent.
While a room in a house share in Kensington and Chelsea costs an average of £823 a month, a one bed apartment in the borough will typically set you back £2,102 monthly.
Similarly, a one bedroom flat in Westminster costs £1,950 a month on average, compared to £845 a month for a room in a house share - or £13,260 more a year.
If you’re willing to compromise on space you might be able to manage a studio flat, although prices in London for these "one space" flats are astonishingly high.
A studio flat costs around £1,517 a month on average in Kensington and Chelsea and £1,408 a month in Westminster.
Even in the parts of west London where one bedroom flats are cheaper, the dream to live alone might still be a monumental financial task.
In Hillingdon borough, a room in a houseshare costs £450 a month on average, while a one bedroom flat is £900 a month - £5,400 more a year.
Sadiq Khan explains City Hall's plans for housing in London
- Mark Ritson and Tom Moore review Brentford's 3-1 3:46
- Woking Goldsworth Road police incident package0:35
- The Pink Floyd Exhibition: Their Mortal Remains t0:22
- QPR fan's preferred starting XI0:36
- Take a look inside The Chelsea Ram0:49
- Works are underway at the old RAF Uxbridge site0:30
- Watch this artist at work inside Hanwell Zoo1:20
A spokesman for West London Housing association told getwestlondon: "A high demand in property in London from investors all across the world means there are people who will pay huge sums of money for one bedroom flats.
"In England as a whole, the gap is significant between house sharing and living alone, but in London, it is extortionate and for many, a long lost dream which remains unachievable."
Living alone vs house sharing: How does your borough fare?
Ealing residents can expect to pay a whopping double the amount a year to live alone, with average rent at £600 a month in a house share, but £1,200 for those living on their own.
In Brent , where rent is around £650, renters looking to steer away from shared housing are looking at an average of £1,270.
£525 should get you a house share in Harrow , but to live alone, Londoners should look at £1,050.
Meanwhile, Hounslow residents hoping to live by themselves can expect to pay at least £8,640 a year more.
Keep up to date with the latest news in west London via the free getwestlondon app.
You can even set it to receive push notifications for all the breaking news in your area.