Sorry my mistake they dont do plugs looking at this chart. Found this on the ford website.
A host of checks for just £99
While not as comprehensive as our full scheduled service option, the Ford Value Service offers an impressive range of checks for such a competitive price.
The Ford Value Service includes checks on:
Handbrake
Clutch
Windscreen
Washers, wipers
Exterior lights and fascia illumination
Instrument gauges, warning lights and horn
Heating system, blower motor
Air conditioning
Seat belts
Bonnet catch
Wiring, pipes, hoses, oil and fuel pipes
Engine, vacuum pump and cooling system
Coolant expansion tank, windscreen washer, power steering and brake fluid reservoirs
Coolant
Auxiliary Drive Belts
Battery
Automatic transmission
Steering, suspension linkages, ball joints, driveshafts, gaiters
Front and rear wheel bearings
Engine and transmission
Exhaust
Underbody
Braking system
Tyres including spare wheel
Wheel nuts
Air Filter
Oil & oil filter