Private Annex with en suite 8 mins walk to town

Looking for a professional to rent my annex (currently used as a gym) photos to follow once furnished in the next few days! Posting ad to gauge interest, but will be ready in a couple of days. Will be furnished with a king size bed, chest of drawers and wardrobe.
Private en-suite, but kitchen facilities and laundry room will be in the main house (few steps away).

Direct, private access through side gate to the annex without having to come through the main house.
All bills included.
Bus stop to the airport just outside the house running 24/7.
Walk to Bishops Stortford train station - 7/8mins.
Walk to town 5-8mins
I’m a long haul pilot, single mum with 3 children. Currently off work due to having an operation for 3-4 months, therefore initially only looking to rent for this period. However, for the right person can extend indefinitely.