They will walk through their own kitchen, past their own kettle to buy a cup of stewed tea at Ian's cafe.
They all live on the square or the streets surrounding.
They all pick husbands/wives already in their locality. Mel (married to Steve, had a Christmas Day fling with Phil) met some bloke (Nathan IIRC) who turned out to be Barry's half brother.
Why did Roy leave his rather nice house (he had his own group of car sales garages) to live with Pat in Albert Sq?
And when Pat got Andys house ,it's the only one with a garage > (Green garage door). That would be hauled down to turn into a double storey extension.
And the elastic walls- at one point : Big Mo, Charlie, Lynne & Gary, Kat, Zoe lived there. Trevor and Little Mo visted.
Where do they all sleep?
Why does Shurl never change her earrings?
There was no waiting list at the Walford nursery.
No-one (except Bradley) seemed to commute outside of Walford (when he worked in a bank) .
And 99% of the residents are self employed.