please correct to make it sound better

[TheShadow]

Hi,

"I'm writing to extend my flat for two more years as my course extends for two more years"

Thanks

[emsr2d2]

Hi,

"I'm writing to extend my flat for two more years as my course extends for two more years"

Thanks

Dear XXX

I would like to request a two-year extension to the lease/rent on my flat as my [school/college/university] course will continue for another two years.

Thank you/Yours faithfullly/Yours sincerely (as appropriate)

[Your name]