Use the OEM part number 6V0093860A to order from a UK Skoda dealer. The kit has everything except for the spare wheel.
Spare wheel replacement kit
Designed for: FABIA III.
988.00CZK (about £33.31)
TECHNICAL SPECIFICATIONS
6V0093860A
Black
Polystyrene
Polystyrene box, vehicle jack with information plate, special screw (rose) for attaching the spare wheel, holding strap, wheel wrench, assembly instructions.
15 kg
INTENDED FOR:
Fabia III (2014+)
The spare wheel kit is intended for all drivers who prefer to equip a car with a spare wheel, instead of the tire repair kit for the most necessary range.
Spare wheel set
contains the necessary tools for replacing a defective wheel on the car,
all tools are neatly stored in a polystyrene box,
the box is secured in the recess of the spare wheel with a woven strap with a buckle.
The spare wheel is not part of the set, it must be ordered separately from the ŠKODA Original Accessories range. A detailed description of the use of the spare wheel is given in the Vehicle Owner's Manual
https://eshop.skoda-auto.cz/cs_CZ/sada-pro-vymenu-rezervniho-kola/p/6V0093860A
The spare wheel on the Fabia MK3 will either be a 175/70R14 tyre fitted to a 5Jx14 ET35 5/100 steel rim or a 185/60R15 tyre fitted to a 6Jx15 ET38 5/100 steel rim.
1
6Q0601027AC
steel rim
5 JX14 ET35
5/100
Model data: PR-C0D
6Q0601027AC03C
rally black
Period: 0814
(1)
6R0601027AE
steel rim
6R0601027AE03C
rally black
6JX15 ET38
Period: 0814
(1)
6R0601027R
Cancelled since 01.09.2014
steel rim
6JX15 ET38
6R0601027R 03C
rally black
Period: 0814
http://www.oemepc.com/skoda/part_single/catalog/sk/markt/CZ/modell/FAB/year/2016/drive_standart/797/hg_ug/601/subcategory/601012/part_id/2543667/lang/e
5Jx14 ET35 5/100 Steel Rim
https://www.mytyres.co.uk/rims/details?vehicleId=799637973241959524&rimCode=ALCAR5210
6Jx15 ET38 5/100 Steel Rim
https://www.mytyres.co.uk/rims/details?vehicleId=799637973241959524&rimCode=ALCAR7760