Double room in London Harrow for £550 per month

Hello.
We have one large double no smoking room, only for female, pleas.
Walk from North Harrow station, 5 min, only.
Available to move right now...19. 07. 2015.
The rent is £550 per month(all bills are include)...+£250 deposit.
Modern house with big gardens, nice clean kitchen, bathroom with shower and bath, too.
There is also a separate toilet on the ground floor.
Only 4 people in the house, with you.
If interested, please call us.
Thank you.