hello - this is very informative - thanks for all input.
Rockin D - My neck is not sore to touch. I dont tend to wear any shirts with collars anyway so can't use that as a measure. I am a scoop top type of person (watched too much Trinny and Susannah a few years back).
I can only describe my neck as not having any definition - just looks fat and towards the lower part on one side appears lumpy - some days it looks bigger than others as well (?)
I will dig out my test results and post them - I did get copies and they are in a stash of filing on my desk. Can I be a pain and list all my symptoms and see if you think I am looking at the right thing with regard thyroid
General tiredness - never feel rested on waking but strangely sometimes seem to have energy late afternoon. Waking intermittently through the night lately.
Regular periods - but very heavy - feel exhausted when having period
Very dry hands and heels
Hair not as glossy as used to be - appears brittle - even though I use good quality conditioner all the time
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Feel as though I dont smile as much as I used to - not that I don't want to - I just think my face feels as though it is "dragged down" a bit - sorry that probably doesn's make much sense but only way i can describe it.
FAT NECK (as detailed top of this msg)
When hanging washing out on line - my arms ache
Sometimes when walking I have palpitations (not all the time). I do walk regularly (twice a day and am known for my fast walking)
Weight gain over last few years - up and down but mainly up. Have gone up 2-3 clothes sizes. I do have good appetite but not eating tons. Eat lots of veg. Chicken. Limited red meat. Some wine (not much) Have really cut down on bread over last year - and yet weight seems to be going up.
Sometimes not hungry in the morning - but always have something. However - have noticed that I feel nauseous if I leave lunch even a bit late - feel as though physically need the food even if I do not feel that I want it.
My mood is good - I want to do stuff - just feel dont have energy to do it fast. I am doing things but everything seems to take me longer. definitely not depressed - which has been suggested by GP
OK - diagnose me 
kate