Quick Answer
For 2 adults + 2 kids (ages 5-15), a 1-week UK trip costs £2,200-4,000 budget, £4,000-6,000 mid-range, £8,000+ luxury (excluding flights). 2-week trip approximately doubles. Massive savings come from free UK museums and kids-discount transport.
Family Hotel Strategy
- Premier Inn family room — 2 adults + 2 kids under 16 in one room, £100-150/night
- Travelodge family room — same setup, £75-130/night
- Holiday Inn Express — kids stay/eat free promos
- Apartment rentals (Airbnb, Sonder) — save on dinners
- YHA (youth hostels) — modern family rooms £80-130
Free Things for Kids
- Free major museums: Natural History (dinosaurs!), Science Museum, British Museum, V&A, Tate Modern
- Free parks: Hyde Park, Greenwich Park, Regent's Park (incl. London Zoo views)
- Free events: Changing of the Guard, free family workshops at museums
- Free city walks: Tower Bridge crossing, Southbank, Camden Canal
- Free children's activities at most major museums
- Beach days at Brighton, Margate, Whitby — free
Family Travel Cards
- Family & Friends Railcard (£30/year) — 1/3 off adults, 60% off kids
- Under 5 free on London transport with adult
- Under 11 free on Tube off-peak with paying adult
- Family ticket at most paid attractions — saves 15-25% vs individual
- National Trust family pass — pays back in 3-4 visits
Cost Breakdown
| Category (1 week) | Budget | Mid-range | Comfort |
|---|---|---|---|
| Family hotel (7 nights) | £700-1,050 | £1,050-1,750 | £2,100-3,500 |
| Food (4 people) | £500-700 | £900-1,300 | £1,500-2,500 |
| Transport + Family Railcard | £200-300 | £300-450 | £500-700 |
| Attractions (kids tickets) | £250-400 | £400-600 | £800-1,200 |
| Total family of 4 | £1,650-2,450 | £2,650-4,100 | £4,900-7,900 |
✅ Top family hack: All major UK museums are free. A 5-day London family museum tour costs £0 entry. Use this to balance other paid attractions like Tower of London, Harry Potter Studios.