Your first sentence should be clear, complete, concise, and written in modern English. Steer clear of these 3 traps.
(1) Avoid writing half a sentence instead of a full one – Your first sentence should be complete.
Compare:
(2) Avoid repeating the heading – If your letter has a heading don’t keep referring to it.
Compare:
Dear Ms Widdicombe
‘The Tree House’, 67 Larch Avenue, Poplar
I refer to your enquiry yesterday in relation to the above-mentioned property, and enclose details as requested.
Dear Ms Widdicombe
‘The Tree House’, 67 Larch Avenue, Poplar
Thank you for your enquiry yesterday about this property; details are enclosed.
(3) Avoid such fusty phrases as:
Keep the finish simple, warm, and sincere:
Example:
Learn more about letter writing.