Everything else on this site explains the reasoning. This page is the list. Work down it, and follow the specific instructions you are given for your own treatment wherever the two differ.
If you only get half of this done, do the laundry and the access. Bedding hot washed and hot dried, and a bed that can be reached from all four sides. Those two carry more weight than everything else on the page.
If it is a household job rather than a one-person one, this is worth printing or screenshotting and leaving where everybody can see it. Most preparation goes wrong because one person in the house was working from the list and the others were not.
Your own instructions beat this page. Methods differ and so does the preparation they need. Where the list you were given for your treatment differs from anything here, follow yours.
Bed bugs in Wokingham? Pest Control Specialists Berkshire treats bed bugs from £220 for the first room. Bed Bug Treatments in Wokingham has the full detail, or call 0118 336 1366.
Two of them: bedding hot washed and given a full hot tumble dry, and a bed that can be reached from all four sides. If only half the list gets done, make it those.
An evening for a tidy single room, plus the laundry - which is the part that needs starting two days out. A storage bed adds an evening. Several rooms realistically need a weekend.
Not until you are told. That covers clean laundry, drawer contents and the furniture layout, and it includes not cleaning treated surfaces until you are given the go-ahead.
Treatment starts from £220 for the first room. Tell us how many rooms people are sleeping in, what you have found — live insects, dark spotting, cast skins — and how long it has been going on, and we will come back to you.