Will my UK Games Console and games work in Australia?

Sony PS3

• Games are region free – any PS3 game from any region will work on any PS3.
• Blu-Ray movie discs are region locked – Australia and UK are in the same Blu Ray region (B) and will therefore play both UK and Australian Blu-Ray discs.
• DVD Movie discs are region locked. A UK PS3 will only play UK region DVDs (Region 2). It will not play Aus DVDs (Region 4). Vice versa applies

Sony PS4
 

• The PS4 is region free for games, but for legal reasons Down Loadable Content (DLC) is locked by region. If you buy a game from the US, for example, you will have to purchase all the DLC from the North American PSN Store. If you buy your games locally, then there shouldn't be a problem.
• Please note that the console is region locked for DVDs and Blu-ray movies.

Nintendo Wii

• Games are region locked, but Australian Wii games will work on a UK Wii and vice versa. The US has a different region and there is no inter-operability between US and UK/Aus Wiis. Any PAL region game will work on a UK or Aus Wii.
• DVD – Wii can’t play DVDs. (Without modification)

• Like it's predecessor, Wii U Games are region locked, but Australian Wii games will work on a UK Wii and vice versa. The US has a different region and there is no inter-operability between US and UK/Aus Wii U's. Any PAL region game will work on a UK or Aus Wii U.
• DVD / Blu-Ray – The Wii U console does not play DVDs or Blu-Ray discs

Nintendo Switch
 

• Unlike it's predecessors,  Nintendo Games aren't region locked, meaning you can play games on it purchased any where in the world. This means you can save quite a bit by taking out an Amazon Prime Membership and pre-ordering games from Amazon US as they offer quite a substantial discount on pre-orders.

XBox 360

• Games UK and Australia will work interchangeably. Games from other regions such as the US or Japan may or may not work – each individual title is different as it is us to the individual publisher to decide whether or not to include the region coding in their game. A regional compatibility guide can be found here.
• DVD Movie discs UK XBox360′s will only play UK region DVDs (Region 2). It will not play Australian DVDs (Region 4). Vice versa applies.

XBox One

• Xbox One games are not region locked. Any Xbox One game purchased at retail can be used in any country on any Xbox One. 

• Xbox Live games may not be region free, though.  - there needs to be a valid payment method corresponding to a supported launch country in order for any transactions to occur over Xbox Live, and some content may not be accessible outside launch markets due to geographic content restrictions imposed by content right holders.

• Each Xbox One console is manufactured for a specific Blu-ray and DVD region, following international standards. The Xbox One console can play Blu-ray discs and DVDs that are sold in the same region as the console.

Sony PSP
 

• Games PSP games will play on any region PSP.
• Movie discs (UMD) are region locked as per DVD regions. A UK PSP will only play UK region UMDs (Region 2). It will not play Australian UMDs (Region 4). Vice versa applies

Sony PS Vita

• The PlayStation Vita is a region free handheld that can play all retail games from every region. However, DLC is region-locked. So you can't use your EU PS Account to buy digital content from the Japanese store for example

   

Nintendo DS

• Games are not region locked. Any game will work on any region console. The exception to this is the Nintendo DSi, which has a region block for the DSiWare downloadable games.

Nintendo 3DS and all variants

• Unfortunately, the Nintendo 3DS (and all subsequent variants) does enforce region locking for 3DS-specific software. Australian 3DS games will work on a UK 3DS and vice versa. The US has a different region and there is no inter-operability between US and UK/Aus 3DS's. Any 'PAL region' game will work on a UK or Aus 3DS.

Power

• If you're fetching a console from the UK then you won't have any power concerns, you'll just need to use a travel adaptor or change the plug to make it work in Australia. The UK uses 230 V +10%/−6%., as does Australia (since 2000) As in the UK, 240 V is within the allowable limits and "240 volt" is a synonym for mains in Australian and British English.
• For consoles from other countries, such as the US / Japan etc, you'll have to do some research. If an AC Adapter for a console operates between 100-110V then you'll need to use a step-down transformer. For 220-240V AC adapters, use a travel adapter or change the plug (depending if it's technically legal for an unlicensed electrician to change a plug in your state) and 100-240V versions, again, it's just a case of using an adapter or plug change.