03:45PM, Tuesday 28 April 2015
The Queen is due to present New Colours to the 1st Battalion Welsh Guards at Windsor Castle on Thursday.
Her Majesty will be accompanied by the Duke of Edinburgh, the Prince of Wales, who is the Regimental Colonel of the Welsh Guards, and the Duchess of Cornwall.
The ceremony will include the inspection of the front and rear ranks of the battalion by the Queen and the Prince.
There will be prayers and the consecration of the New Colours, before they are presented by the Queen.
The 1st Battalion received its first Colours at Buckingham Palace from King George V in 1915.
The present pair of Colours were presented by the Queen in May 2006 at Windsor Castle.
They are to be laid up in St Mary’s Church on September 24 this year.
The ceremony will be followed by a garden party where a group photograph including the royals is due to be taken.
Between 1.25pm and 1.40pm on Thursday the following road closures will be in place to allow the battalion to march from Victoria Barracks to the castle:
- Sheet Street for its entire length
- Victoria Street at its junction with Madeira Walk
- High Street for its entire length
- Thames Street approximately 20 metres north of its junction with Castle Hill and Peascod Street
- Castle Hill for its entire length
- St Albans Street and Park Street at their junction with Sheet Street