For anyone travelling to Heathrow with bikes Zipcar flex let’s you drop off the car at Heathrow Terminal 5. Saved us a good amount of cash compared to Addison Lee and a lot less stress compared to the tube. There’s also a £25 referral deal so it should make your first journey pretty much free.
The electric VW Golf can fit x2 1450mm x 800mm x 240mm cardboard bike boxes. Back seats down, drivers seat moved a bit forward.
The VW polo can fit in x1 box in with the back seats down and the drivers seat very far forward. You can fit in an additional bike but it needs to be out the box/in a smaller soft bag.