Very; (I posted this a few days ago, it was moved to Off Topic, but does now seem relevant here;)
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The official wording is;
"2. Meeting others safely
In general, you must not meet people socially. However, you can exercise or meet in a public, outdoors space with people you live with, your support bubble (or as part of a childcare bubble), or with one other person. You should minimise time spent outside your home. When around other people, stay 2 metres apart from anyone not in your household - meaning the people you live with - or your support bubble. Where this is not possible, stay 1 metre apart with extra precautions (e.g. wearing a face covering).
You must not meet socially indoors with family or friends unless they are part of your household or support bubble.
A support bubble is where a household with one adult joins with another household. Households in that support bubble can still visit each other, stay overnight in each other’s households, and visit outdoor public places together.
[Guidelines for outdoor meeting not shown here as presumably irrelevant other than maybe Dogging but two metres apart not much fun]
4. Businesses and venues
Businesses and venues which must close
To reduce social contact, the Government has ordered certain businesses and venues to close or restrict how they provide goods and services. These include:
Personal care facilities such as hair, beauty, tanning and nail salons. Tattoo parlours, spas, massage parlours, body and skin piercing services must also close. It is also prohibited to provide these services in other peoples’ homes"
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So that appears to have made working as or visiting a sex worker illegal after the cut-off date of 5th November, presumably leaving both provider and client at risk of prosecution.
- You can't see a friend indoors (as she is not likely to be in your support bubble), nor can she visit you for the same reason.
- Massage parlours must close - so presumably running one even alone or going to one, is a breach of that rule, if you go to one you are at a forbidden establishment.
- Providing the services of a massage parlour at someone else's home is forbidden, so the sex worker cannot do an outcall.
Although not actually stating 'Prostitution' I suspect the general public are meant to read that for 'Massage Parlour'.
So that would appear to have made providing and using prostitution illegal.