If you are planning on travelling distance to attractions, we would recommend that you contact the venues directly in advance to avoid disappointment.
If you, or any of your party have a new persistant cough, or develop a fever of 38C, we would instead advise you to use the NHS's dedicated website for professional advice.
Extensive, attractive gardens and earthworks on site of Wallingford Castle demolished by Oliver Cromwell. Only limited visual ruins remain. Central Southern England in Bloom best small parks winner.