Right, here is everything I'm taking (in the seemingly unlikely event I can fit it all in my rucksack

):
Walking GearRucksack 65+15 litre
Boots
3 x walking socks
3 x walking trousers
2 x long-sleeved T-shirts
2 x short-sleeved T-shirts
Sun hat (we live in hope)
Balaclava (but we're realists)
Thinsulate woolen gloves
Waterproof gloves
Coat
Camping gearSleeping mat (confirmed to be the volume of 4 gas canisters approx)
2 x C500 gas canisters
1 x stove top for above
Insect repellant
First aid kit
Folding trowel
Penknife
Toilet roll
Baby wipes
Travel towel
Water purifying tablets
2 x 24" bungee cords
Other clothing1 x walking trousers
1 x T-shirt
1 x pair of thin socks
Pair of light trainers
3 x pairs of boxers
ToiletriesSoap
Toothpaste
Toothbrush
Foot powder
Razor
Flannel
Navigational gearHandheld GPS
Silva compass
32 A4 laminated maps, double-sided (identical but with route marked on one side only
OL33 &OL34 OS Coast to Coast strip maps (out of date but could be useful)
Coast to Coast Path guidebook by Henry Stedman
A Coast To Coast Walk by A.Wainwright
Navigation pocket book (to back-up Geo's tuition)
MiscellaneousMains phone charger
Battery powered phone charger (takes 4 x AA batteries)
30 x AA batteries (for GPS & phone charger)
16 x AAA batteries for LED head torch (with Geo atm)
2 x 2 litre water bottles
4 x 500 millilitre water bottles
2 x waterproof rucksack liners
2.5 litre tupperware container
Camera
Spare battery for camera (seem to last forever - may not need it)
Memory stick with maps in pdf form
Ear plugs
Reading glasses
Phone
Cash, debit & credit cards
2 x Chapsticks
Train tickets
SPF30 sun cream (yes, I know)
2 x spare memory cards for phone
Optional - full size paper OS maps 1:25K covering the whole route