Hugh Town tops the ranking, with 49.91°N, ahead of Old Town and Lizard. The full ranking is below, each entry linked to its page.

# Town County Latitude
1 Hugh Town Isles of Scilly 49.91°N
2 Old Town Isles of Scilly 49.91°N
3 Lizard Cornwall 49.97°N
4 Ruan Minor Cornwall 50.00°N
5 Mullion Cove Cornwall 50.01°N
6 Coverack Cornwall 50.03°N
7 Mullion Cornwall 50.03°N
8 St Keverne Cornwall 50.05°N
9 St Buryan Cornwall 50.07°N
10 Porthleven Cornwall 50.08°N
11 Mousehole Cornwall 50.08°N
12 Mawgan Cornwall 50.09°N
13 Gweek Cornwall 50.09°N
14 Helford Passage Cornwall 50.10°N
15 Helston Cornwall 50.10°N
16 Newlyn Cornwall 50.10°N
17 Porth Navas Cornwall 50.11°N
18 Praa Sands Cornwall 50.11°N
19 Kelynack Cornwall 50.11°N
20 Breage Cornwall 50.11°N
21 Mawnan Smith Cornwall 50.11°N
22 Rosudgeon Cornwall 50.12°N
23 Penzance Cornwall 50.12°N
24 Constantine Cornwall 50.12°N
25 Marazion Cornwall 50.12°N
26 Goldsithney Cornwall 50.12°N
27 Perran Downs Cornwall 50.12°N
28 St Just Cornwall 50.12°N
29 Madron Cornwall 50.13°N
30 Longrock Cornwall 50.13°N
31 Godolphin Cross Cornwall 50.14°N
32 Crowlas Cornwall 50.15°N
33 Budock Water Cornwall 50.15°N
34 Falmouth Cornwall 50.15°N
35 Pendeen Cornwall 50.15°N
36 Flushing Cornwall 50.16°N
37 Leedstown Cornwall 50.16°N
38 St Mawes Cornwall 50.16°N
39 Rose-an-Grouse Cornwall 50.17°N
40 Mabe Burnthouse Cornwall 50.17°N
41 St Erth Cornwall 50.17°N
42 Penryn Cornwall 50.17°N
43 Praze-an-Beeble Cornwall 50.17°N
44 Reawla Cornwall 50.18°N
45 Portscatho Cornwall 50.18°N
46 Stithians Cornwall 50.19°N
47 Lelant Cornwall 50.19°N
48 Hayle Cornwall 50.19°N
49 Mylor Bridge Cornwall 50.19°N
50 Carbis Bay Cornwall 50.19°N
51 Ponsanooth Cornwall 50.19°N
52 The Towans Cornwall 50.20°N
53 Harcourt Cornwall 50.20°N
54 Four Lanes Cornwall 50.20°N
55 Perranarworthal Cornwall 50.20°N
56 Feock Cornwall 50.21°N
57 Connor Downs Cornwall 50.21°N
58 Lanner Cornwall 50.21°N
59 Perranwell Station Cornwall 50.21°N
60 Penpol Cornwall 50.22°N

Source: Ordnance Survey coordinates. Compiled by Postcodes UK.

Frequently asked questions

Which is the most southerly town in Britain?

Hugh Town tops the list, with 49.91°N, followed by Old Town and Lizard.

How is this ranking measured?

This ranking is based on Ordnance Survey coordinates. It covers Britain's recognised built-up areas.