Table 1.

Restrictions on social mixing in England during the pandemic (March 2020–July 2021).

Date	Restriction	Setting	Social contact allowed	Number of people from other households allowed	Distancing
16 March 2020	People asked to stay at home	All settings	Yes	Not specified	Not specified
23 March 2020	First national lockdown	All settings	No	None	N/A
13 May 2020	Step 1 of lockdown restrictions easing	Outdoor public spaces	Yes	One	2 m+
1 June 2020	Step 2 of lockdown restrictions easing	Outdoor public spaces	Yes	Five	2 m+
4 July 2020	Hospitality reopens	Outdoors	Yes	Five	1 m+
		Indoors	Yes	Not specified, from one other household	1 m+
14 September 2020	Rule of six	Outdoors	Yes	Five	Not specified
		Indoors	Yes	Five	Not specified
14 October 2020	Tiers (local COVID-19 alert level)
	1 (medium)	Outdoors	Yes	Five	Not specified
		Indoors	Yes	Five	Not specified
	2 (high)	Outdoors	Yes	Five	Not specified
		Indoors	No	None	N/A
	3 (very high)	Outdoor public spaces	Yes	Five	Not specified
		Indoors	No	None	N/A
5 November 2020	Second national lockdown	All settings	No	None	N/A
2 December 2020	Tiers (local COVID-19 alert level)
	1 (medium)	Outdoors	Yes	Five	Not specified
		Indoors	Yes	Five	Not specified
	2 (high)	Outdoors	Yes	Five	Not specified
		Indoors	No	None	N/A
	3 (very high)	Outdoor public spaces	Yes	Five	Not specified
		Indoors	No	None	N/A
19 December 2020	Tier 4	Outdoor public spaces	Yes	One	1 m+
5 January 2021	Third national lockdown	All settings	No	None	N/A
29 March 2021	Step 1 of roadmap	Outdoor public spaces	Yes	Five, or one other household	1 m+
		Indoors	No	None	N/A
12 April 2021	Step 2 of roadmap	Outdoors	Yes	Five, or one other household	1 m+
		Indoors	No	None	N/A
17 May 2021	Step 3 of roadmap	Outdoors	Yes	Twenty-nine	1 m+
		Indoors	Yes	Five, or one other household	None
19 July 2021	Step 4 of roadmap	All settings	Yes	No limit	None