Later 1.25 Zetec?
Oil filter on the back of the block, access from below
Sump plug, 13mm in the side of the sump....check the rubber seal is in good nick.
John
Axle stand or ramp.
Make sure you only use the Ford oil. I think your engine has a toothed belt running in oil and it is very sensitive - tooth decay and engine failure - to the wrong oil.