To clear the argument up for you, I received the message as I'm classed "extremely vulnerable", and a follow up message clearly states it's ok to go in garden...
"NHS Coronavirus Service: - Keep moving to stay healthy
https://www.nhs.uk/oneyou/for-your-b...orkout-videos/
- Do some simple stretches and walk around.
- Be kind to yourself
https://www.nhs.uk/oneyou/every-mind-matters/
-Spend time doing things you enjoy - reading, cooking and other indoor hobbies
- Try to eat healthy, well-balanced meals, and drink enough water
- Spending time with the windows open to let in fresh air, sit and look out at the world where you can, or get out into the garden or sit on your doorstep if you can.
To opt out reply STOP"
Original message for anyone interested...
"NHS Coronavirus Service: We have identified that you're someone at risk of severe illness if you catch Coronavirus. Please remain at home for a minimum of 12 weeks. Home is the safest place for you. Staying in helps you stay well and that will help the NHS too. You can open a window but do not leave your home, and stay 3 steps away from others indoors. Wash your hands more often, for at least 20 seconds.
Read more advice about staying safe at home.
https://www.gov.uk/coronavirus-extre...rable-guidance
We will send you more messages with information.
To opt out reply STOP"