£160k/year won't allow you to even buy a family home within 1 hour distance to the office over 10 years that is around maximum you'd spend @ FAANG as a SWE. It's truly pointless to feel good about it even if it is considered "insane money" due to really low London engineering salaries (worse than Munich on average). For the same work you'd likely get 350k CHF in Zurich (and won't be able to buy apartment either as Swiss aren't selling).
Working near a major station like Kings Cross where Google is gives you a really wide area with a sub 1 hour commute. Plenty of commuter towns in that radius have housing easily affordable on half that salary.