We are planning a 7-day family trip to L

Answer

Now I have enough to write the London-only7-day trip file. The existing `trip.json` is for a Japan trip (unrelated) and `trip-london-paris.json` is a different plan; I'll write a new `trip-london-2026.json`.

#7-Day London, One Base in Kensington

Slow skeleton saved to (internal file path omitted) (check passes, 7 nights, no errors). Below is the skeleton only — no specific museum hours, prices, or visa conclusions in this turn; those wait for your two answers.

## Schedule

**Family priority / what counts as success:** one base, no packing mornings, kid nap 13:00–15:00 protected, grandma rests when she needs to, a real indoor backup every day. A "hotel day" or a "cut Greenwich and stay local" day is not a failure — it is the trip working.

**Base:** Kensington (South Kensington / Knightsbridge area),7 nights. South Kensington tube is one of the few London Underground stations with lifts from street to platform; the three South Kensington museums are walkable from each other; Hyde Park and Kensington Gardens are flat and stroller-friendly; Westminster is one tube ride so a second base there buys zero time. Modern hotels in this corridor have guest-room lifts, and black cabs are stroller-and-wheelchair standard.

| Day | Shape | Indoor backup if it rains or grandma is tired |
|---|---|---|
| 1 — Arrival | Hotel area only, early dinner, sleep by 20:00 | Hotel lounge |
| 2 — Park day | AM: Kensington Gardens + Diana Memorial Playground. PM: hotel rest + gentle Serpentine | V&A (free, step-free) |
| 3 — Museum cluster | AM: Natural History Museum (dinosaurs). PM: hotel rest + one of Science Museum or V&A — pick one, not all three | All three museums |
| 4 — Westminster (1 tube ride) | AM: Big Ben / St James's Park / Westminster Abbey exterior. PM: hotel rest + optional Abbey interior with timed entry, or Harrods ground floor | Westminster Abbey interior with timed slot |
| 5 — **Decision day** | Greenwich (DL + Cutty Sark + oyal Park + free Maritime Museum) **if** energy and weather cooperate; otherwise a hotel-morning + local-afternoon reserve day. Decide on the evening of Day 4. | eserve day is itself the backup |
| 6 — Slow day | Late breakfast, Knightsbridge stroll (Harrods toy kingdom is the 4.5yo magnet), light café, early dinner | Hotel entirely legitimate |
| 7 — Departure | Pack, black cab to airport. No morning sightseeing | Hotel lounge |

### Honest critique of the 3-hotel switch (Westminster 2N + Greenwich 2N + Kensington 3N)

- **Two transfer days cost more than they save.** Each move means packing a stroller, a69-year-old's luggage, and a 4.5-year-old's kit, then a taxi with boot space, then a new check-in with lift verification. That burns half a day each — two transfers = one full day gone before you've started.
- **Greenwich is not "close to everything"** — it's south of the river and best reached by DL or boat. The social media post treats it as a separate "neighborhood," but it functions as a half-day trip, not a place you sleep. With grandma on the hills near the oyal Observatory and a stroller to manage, the gain is small.
- **Westminster is one tube ride away from Kensington.** Sleeping there buys you ~10 minutes of morning time at the cost of a transfer. Not worth it with this party.
- **Two more eliminated options worth naming:**
- *Kensington 5N + Greenwich 2N (2-base version).* Still costs you one transfer day, and the Greenwich half is uphill / cobbled. Loses to the1-base.
- *Westminster 7N.* Theaters and Parliament on your doorstep, but the South Kensington museums — which are the kid + grandma sweet spot — become a 20-min tube ride every time.

### Honest limits on this skeleton

- I have **not** read museum or station websites this turn. Step-free entrance, lift availability, and the *exact* timed-entry requirement at Westminster Abbey, V&A, Natural History Museum, Science Museum, and Cutty Sark are on my "verify before booking" list. e-read each one **two weeks before departure** — that is the standard field-check window for UK attractions, not "the night before."
- I have not picked a specific London airport. Heathrow vs Gatwick vs Stansted/Luton depends on where you're flying from and what your carrier offers — once you tell me your departure city, I can compare.
- I have not picked a hotel or quoted a price. I don't book — this skill never does.

## Booking checklist

I cannot book anything on your behalf, and nothing below is reserved or held. Once you give me your departure city and nationality, the second pass will turn each line into a concrete comparison with official ULs and dates.

| # | Item | Status | What to check before booking |
|---|---|---|---|
| 1 | **Age bands (per booking column)** | Same party, four different policies | **Flights:** 4.5yo is a *child* (not infant) on all major carriers — child fare usually 75% of adult; seat required.69yo is adult fare but should add any needed assistance at booking. **Hotel:** 4.5yo usually free with adults using existing bedding; verify max occupancy (often 2 adults + 1 child under a threshold — you may need 2 rooms or a family room for 2+2). **Museums:** most UK national museums are free for under-16s and concession/senior for 69yo where paid — verify per venue |
| 2 | **City + nights** | London, Kensington, 7 nights | Aligned with skeleton above |
| 3 | **Flight dates ↔ hotel dates** | Aligned (7 nights London) | Same check-in and check-out; no missed-night gaps |
| 4 | **oom capacity** | 2 adults + 1 child + 1 senior | Confirm max occupancy + extra-bed policy on the hotel page; verify lift access is the *room* lift, not just the lobby |
| 5 | **Flight connection type** | Depends on origin — likely direct from most major hubs | If connecting, confirm *protected* connection (one PN) vs *self-transfer* (two separate tickets) — self-transfer with stroller + grandma at a third airport is the single biggest booking risk; default is **avoid** unless you accept it |
| 6 | **Booking order (draft — refine once origin + nationality known)** | All **未订** | 1) UK entry clearance (ETA / visa) — lead time critical. 2) Family flights (most expensive to change last). 3) efundable or free-cancellation hotel (lock dates, swap later). 4) Timed-entry slot for Westminster Abbey (the only hard-to-get venue in this plan). 5) Cutty Sark timed slot (optional). 6) Theatre or river cruise (optional) |
| 7 | **I cannot book.** | — | Same sentence in plain English: this assistant does not hold rooms, issue tickets, or place any reservation. You place all bookings yourself on the carrier / hotel / official venue pages |

## Two gaps I need from you before the next pass

1. **Departure city / airport.** Affects which London airport to fly into, which carriers to compare, and the jet-lag shape of Day 1.
2. **Nationality of all four travelers.** UK Standard Visitor rules differ by passport (visa / eVisa / ETA / visa-free) — and lead time for some of those is non-trivial. Self-check against [gov.uk/check-uk-visa](https://www.gov.uk/check-uk-visa) and [gov.uk/standard-visitor](https://www.gov.uk/standard-visitor); passport must be valid for the entire UK stay.

**Working assumption you can edit in one word:** dates are shoulder season (April–May or September–October). Change that and I recompute.