Hiden - Japanese Curry Cafe
Japanese in London with a kids menu and highchairs — 4.7★ (232 Google reviews).
Café · London
Common Ground is a café in London. Features include child-friendly options on the menu, highchairs available, outdoor seating and step-free access for buggies. Currently rated 4.4★ on Google from 704 reviews. Listing details should be confirmed before visiting — call ahead if you have specific accessibility or dietary needs.

The secret to a calmer meal out? Something to do that isn't a phone. Each pack is full of screen-free bits and bobs to keep little hands busy at the table and buy you a proper sit-down. Three printable packs, one for each age (toddler, preschool, primary) — free, straight to your inbox.
Japanese in London with a kids menu and highchairs — 4.7★ (232 Google reviews).
Vietnamese spot in Finsbury Park.
Cosy Finsbury Park café, buggy-friendly — no highchairs or kids' menu, worth booking ahead.