Almiscarado said:

Will do so, thanks!!

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Clean the oil off. That might be several years worth of gunk.

tottot said:

Well looks like it has worked pretty hard for over 40 years. But they are about the most basic motor vehicle that are still around in numbers today and can be repaired without the need to ask a computer what the problem is.
A sticky brake may be the issue with the steering.
A change of fluid may help with the clutch issue, have a look in the reservoir and if fluid is blackish then at least in the short term a change may help.

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Is there a clutch pedal return spring? Could it be missing or worn? The brake pedal on my 101 was reluctant to return until i fitted a new spring.

tottot said:

Rear diff soldered ? If you have both wheels off the ground and in gear/hand brake on you should be able to turn both wheels. This is because the diff will be doing its job.[one on the other side goes in reverse]
If out of gear hand brake off and you spin a wheel either the other wheel turns as above or the prop shaft turns.

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Erm, with the handbrake on i would hope you couldn't turn any wheel...

No mate, Land Rovers right up to the end of original Defender have a transmission Hand brake on the back of the transfer box, and therefore acts on the prop shaft. Works fine as long as both rear wheels are on the ground or with series if it is in four wheel drive in which case it will act on all four wheels if they are on the ground
When jacking up on any slope it is recommended chocks be used.
Try with yours yfo866, lift both rear wheels off the ground hand brake on and you will see.