Venice to Heathrow

Yes. You will go through security again.

Christine,

As I recall, I've had to go through security again at LHR prior to boarding my return flight to Canada. It was actually quicker and more efficient than I expected. You'll probably get your Schengen Exit stamp at VCE.

follow this link to see what happens at LHR

http://www.heathrow.com/flight-connections

My flight is also connecting through Heathrow from Venice to Seattle. Since we are arriving at terminal 5 and leaving from terminal 5, I was informed that you just proceed to your gate and bypass any/all controls, etc.
We are flying with British Airways.

https://www.britishairways.com/assets/pdfs/information/airport-information/lhr-connections/LHR-Flight-connections_Terminal-5-to-Terminal-5_intl.pdf

You will always go through security again at Heathrow, unless arriving from another UK airport. The UK doesn't take on trust anyone else's security screening. You need not go through immigration, although your passport may be checked as part of security.

You haven't indicated which airline(s) you are using for any more detailed advice.

Yes, you go through passport control and then security again, even if you fly into and out of terminal 5. I travel thru here regularly on BA and always end up with both, but you do go thru a different control area than if you were back at the departures security into terminal 5. Follow the purple signs and there are plenty of workers directing you where to go as well. We even had to go thru this same routine when we flew BA from Leeds, UK to Heathrow for a flight to Boston.

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Thanks for the clarification, much appreciated. Interestingly enough, we only have a 1 hour connection time. Not much room for error, but if BA set it up then it's on their head. They can put me up for one night in London...I'm OK with that!

Thanks everyone! That helps.

You do not go through passport control when connecting flights from one international airport to another.

When you get to the flight connections desk they will look at your passport. This is not passport control. This is the airline checking again to make sure you have a valid passport. BA is very diligent about this. They will not let you go through security if you are going to an international destination and you haven't had your passport checked. It doesn't matter where you have flown in from.

It is not passport control. They do not stamp your passport. They are not issuing a visa. If you talk to someone in a "Border Force" uniform and they ask a bunch of questions about your stay, you are in the wrong line.

You will then go through security. Then you go shopping. I mean to your gate.

FYI--if a passenger arrives without a valid passport, the airline gets fined. That's why the airline checks all passports for outbound passengers.

I appreciate all of these responses. I've only been to Heathrow when coming from the US, so I wasn't sure what to expect this time around. Now I know...thanks.

I call it passport control when you have to wait in a long long line to see people sitting at kiosks who study you and your passport before you can go further. If they are not controlling me from going further, then I don't know what is. The fact is you need your passport out and ready when you get to the front of that always long (for me) line. Otherwise, people have the impression that security is the only hold up. It is not like a quick glance of your passport as you stand in the security line as they do at Logan. Call it what you will, but it is a delay.

But Wray, when you call it "passport control" you are confusing people who might think you mean the real thing. Call it passport check if that makes you happy but why confuse things?

And the lines are usually much shorter than the real passport check. And depending on when you are coming in there is hardly anyone at flight connections.

If you are staying within T5 - which has not been clarified yet as far as I can see - then if both your flights arrive and depart from a satellite (B or C) then you need not trek back to the main terminal (A) for security but can do so in the satellite.

The last time we transferred terminals at LHR, from T5 to T3, we simply followed the "flight connections" path to the little bus that transfers people airside. We went through security again at T3 but there was never a separate passport check.

But to answer the question posed here it would be helpful to kow which terminals are involved.

Both of my flights are on British Airways and both are through Terminal 5, to the best of my knowledge.