The Sir Alexander Fleming

Paddington, Westminster

Operating

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Plan your visit

Open now · closes 23:30

Today’s hours: 08:00–23:30

Times are local to the venue. Overnight closing times refer to the next day; exceptions may apply.

Address and directions

5 Merchant Square

Paddington Basin

Paddington

Westminster

W2 1AS

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Facilities

Baby change
Licensed outside area
Step-free access
TV screens
Wi-Fi

Weekly opening hours

Monday: 08:00–23:00
Tuesday: 08:00–23:00
Wednesday: 08:00–23:00
Thursday: 08:00–23:00
Friday: 08:00–23:30
Saturday (today): 08:00–23:30
Sunday: 08:00–22:30

Pub location

Real ales

Availability checked: 17 Oct 2026, 08:25 UK time How up to date is this?

We aim to check ale availability each hour. Some menus were checked on the date shown; others were checked more recently. Updates may be delayed. Confirm prices, availability and opening with the pub before travelling.

No ales are listed on this pub’s menu. Ask the pub about today’s selection.

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Real ales

Availability checked: 17 Oct 2026, 08:25 UK time How up to date is this?

No ales are listed on this pub’s menu. Ask the pub about today’s selection.