Respected Sir/Madam,
My name is __________ (name) and I write this email in reference to the contractual work that is being conducted at my property ______________ (mention property address).
Through this email, I would bring into your kind consideration that the project work is being conducted at a very slow pace and is sure to miss the deadline. This is to request you to kindly look into the same and prevent further delay.
I shall be highly obliged in this regard. For further queries, you may contact me at _________ (contact details).
Thanking you,
Regards,
_________ (name),
_________ (contact details)