Worth the spend, plus the free and near-free wins.

1.Natural History MuseumOn a budget, Natural History Museum still earns its price.
2.Hampstead HeathOn a budget, Hampstead Heath still earns its price.
3.Richmond ParkOn a budget, Richmond Park still earns its price.
4.British MuseumOn a budget, British Museum still earns its price.
5.National GalleryOn a budget, National Gallery still earns its price.
6.Imperial War MuseumOn a budget, Imperial War Museum still earns its price.
7.Victoria and Albert Museum (V&A)On a budget, Victoria and Albert Museum (V&A) still earns its price.
8.Tate BritainOn a budget, Tate Britain still earns its price.
9.GreenwichOn a budget, Greenwich still earns its price.
10.National Portrait GalleryOn a budget, National Portrait Gallery still earns its price.
11.Science MuseumOn a budget, Science Museum still earns its price.
12.Tate ModernOn a budget, Tate Modern still earns its price.
13.ShoreditchOn a budget, Shoreditch still earns its price.
14.Little VeniceOn a budget, Little Venice still earns its price.
15.Cambridge (day-trip)On a budget, Cambridge (day-trip) still earns its price.
16.Camden TownOn a budget, Camden Town still earns its price.
17.Hyde ParkOn a budget, Hyde Park still earns its price.
18.Kew Gardens (Royal Botanic Gardens)On a budget, Kew Gardens (Royal Botanic Gardens) still earns its price.
19.Bath (day-trip)On a budget, Bath (day-trip) still earns its price.
20.Sky GardenOn a budget, Sky Garden still earns its price.
21.Borough MarketOn a budget, Borough Market still earns its price.
22.Leeds Castle (day-trip)On a budget, Leeds Castle (day-trip) still earns its price.
23.PadellaOn a budget, Padella still earns its price.
24.Oxford (day-trip)On a budget, Oxford (day-trip) still earns its price.
25.St. JOHNOn a budget, St. JOHN still earns its price.
26.Houses of Parliament & Big Ben TourOn a budget, Houses of Parliament & Big Ben Tour still earns its price.
27.Hampton Court PalaceOn a budget, weigh it — Hampton Court Palace isn't cheap for what it is.
28.Borough Market food tourOn a budget, weigh it — Borough Market food tour isn't cheap for what it is.
29.SohoOn a budget, weigh it — Soho isn't cheap for what it is.
30.Westminster AbbeyOn a budget, weigh it — Westminster Abbey isn't cheap for what it is.
31.BratOn a budget, weigh it — Brat isn't cheap for what it is.
32.St Paul's CathedralOn a budget, weigh it — St Paul's Cathedral isn't cheap for what it is.
33.West End ShowOn a budget, weigh it — West End Show isn't cheap for what it is.
34.The SavoyOn a budget, weigh it — The Savoy isn't cheap for what it is.
35.Tower BridgeOn a budget, weigh it — Tower Bridge isn't cheap for what it is.
36.Dishoom ShoreditchOn a budget, weigh it — Dishoom Shoreditch isn't cheap for what it is.
37.BAO SohoOn a budget, weigh it — BAO Soho isn't cheap for what it is.
38.Tower of LondonOn a budget, weigh it — Tower of London isn't cheap for what it is.
39.Jack the Ripper Walking TourOn a budget, weigh it — Jack the Ripper Walking Tour isn't cheap for what it is.
40.Notting HillOn a budget, weigh it — Notting Hill isn't cheap for what it is.
41.Claridge'sOn a budget, weigh it — Claridge's isn't cheap for what it is.
42.Windsor Castle (day-trip)On a budget, weigh it — Windsor Castle (day-trip) isn't cheap for what it is.
43.The Clove ClubOn a budget, weigh it — The Clove Club isn't cheap for what it is.
44.Barrafina Dean StreetOn a budget, weigh it — Barrafina Dean Street isn't cheap for what it is.
45.The LedburyOn a budget, weigh it — The Ledbury isn't cheap for what it is.
46.Churchill War RoomsOn a budget, weigh it — Churchill War Rooms isn't cheap for what it is.
47.HMS BelfastOn a budget, weigh it — HMS Belfast isn't cheap for what it is.
48.Afternoon TeaOn a budget, weigh it — Afternoon Tea isn't cheap for what it is.
49.The NedOn a budget, weigh it — The Ned isn't cheap for what it is.
50.Buckingham Palace & Changing the GuardOn a budget, weigh it — Buckingham Palace & Changing the Guard isn't cheap for what it is.
51.The River CafeOn a budget, weigh it — The River Cafe isn't cheap for what it is.
52.Lyle'sOn a budget, weigh it — Lyle's isn't cheap for what it is.
53.The Zetter Townhouse ClerkenwellOn a budget, weigh it — The Zetter Townhouse Clerkenwell isn't cheap for what it is.
54.Sketch (The Lecture Room & Library)On a budget, weigh it — Sketch (The Lecture Room & Library) isn't cheap for what it is.
55.Covent GardenOn a budget, weigh it — Covent Garden isn't cheap for what it is.
56.The ConnaughtOn a budget, weigh it — The Connaught isn't cheap for what it is.
57.RulesOn a budget, weigh it — Rules isn't cheap for what it is.
58.The GoringOn a budget, weigh it — The Goring isn't cheap for what it is.
59.Uber Boat by Thames Clippers (river ride)On a budget, weigh it — Uber Boat by Thames Clippers (river ride) isn't cheap for what it is.
60.Up at The O2 climbOn a budget, weigh it — Up at The O2 climb isn't cheap for what it is.
61.The Hoxton, SouthwarkOn a budget, weigh it — The Hoxton, Southwark isn't cheap for what it is.
62.The Hoxton, HolbornOn a budget, weigh it — The Hoxton, Holborn isn't cheap for what it is.
63.Stonehenge (day-trip)On a budget, weigh it — Stonehenge (day-trip) isn't cheap for what it is.Itineraries are prefiltered verdict lists — every spot is graded honestly, not pay-to-place.