The short answer
Often not. The foam lives under the roof, so most of the removal is done from inside the loft with no scaffold at all. Scaffold goes up when the roof itself needs work as well, such as re-felting, replacing damaged tiles or slates, or repairs at the eaves. We decide that at the survey, once we can see what the foam has hidden.
The foam is under the roof, so the work is mostly from the loft. Scaffold appears when repairs on the outside follow.
Why most of the work is done from the loft
Foam is sprayed against the underside of the covering, across the rafters, the inclined timbers that carry the tiles or slates. To get it off, you work from inside, kneeling on boards laid across the joists with the roof just above you. Nothing about that calls for a platform outside the house.
When is scaffold left off the quote?
When the survey shows the covering is sound and the felt can be left alone or patched from below, the job can be finished without anyone going outside. A ladder to reach a gutter, a short run of fascia, or a short look at the ridge, is a different matter from scaffold, and a roof ladder or a tower often does for a brief outside check.
It is worth saying plainly what we look for. We want to see whether tiles or slates are loose, whether the felt can be mended from underneath, and whether anything at the eaves or the verge, the sloping edge of a gabled roof, needs attention. If the answer to all three is no, scaffold does not appear in the price.
When scaffold is needed
Scaffold goes up when work on the outside of the roof is part of the plan. Foam removal sometimes uncovers damage that cannot be mended from the loft, and the sound way to tackle it is from a working platform with edge protection.
What kind of roof work calls for it?
Re-felting a slope from the outside, replacing a run of tiles or slates, renewing battens, repairing the eaves, or re-laying the covering after foam has bonded to the underside of the tiles. Our answer on foam stuck to roof tiles shows one case where the covering has to come off.
Height matters too. A single-storey extension roof or a low porch can often be reached from ladders and a tower. A two-storey house with repairs along the eaves is another matter, and working at that height without scaffold is not something we do. Where scaffold is needed, it sits inside the one written total, and you are told why before you agree.
If the roof is in good order but you have decided to re-roof anyway, our answer on spray foam and a re-roof covers the order of work.
Is a licence needed for scaffold by the road?
When it obstructs the pavement or road, yes. Section 169 of the Highways Act 1980 makes scaffolding on or over a highway subject to licence by the authority responsible for that highway. A tower standing wholly inside your boundary is a separate matter.
Who applies for the scaffold licence?
Each council words it differently, and the differences are real. Somerset Council's scaffold page restricts highway permits to accredited contractors, so whoever is appointed to do the job puts in the form. The fee is £124.60 for each 28-day period (Somerset Council, April 2026), with at least 10 working days' notice. Devon County Council has scaffolding companies apply for their customers, at £158 a licence. North Somerset Council puts the application with the firm carrying out the work.
For any other authority, the scaffold firm and our team settle who sends the application, and you can put that question to anyone quoting. You seldom need to ring the council yourself. Build the notice period into your plans, because it can decide the earliest start date, and ask early if the house stands on a narrow road.
How we decide at the survey
The survey begins in the loft and then moves outside. The loft tells us how much foam there is and how the felt looks. The outside tells us whether the covering, the eaves and the gutters will need work, and how high we would be working.
Will I know before the work whether scaffold is included?
Yes. The quote is a single total in writing, and it states what the work covers. Whoever sends you a quote, ask if scaffolding and VAT sit within the figure, in plain words, because a price missing either is not the full cost.
You also see the reasons. If the photos show slipped slates along the eaves or a torn run of felt we can only reach from outside, we explain why the platform is there. If a job can be done from the loft alone, we say that too, and the job costs less as a result. Our guide to what decides the cost of spray foam removal lists the other factors, and the spray foam removal page shows the process from the first visit.
More on scaffold and access
Does scaffold on my own drive need a council licence?
Not under section 169, which concerns scaffolding that obstructs the highway. A platform wholly on private ground, such as a drive or garden, sits outside that licence. If any part would stand on the pavement or the road, the highway authority's licence must be granted first.
Can the roof be repaired from a ladder instead?
For a few loose tiles on a low roof, sometimes. For felt, battens or a long run of covering, a ladder is the wrong tool, because you cannot work safely or properly from it. We tell you at the survey which parts of the job need a working platform, and why.
The full picture: Spray foam insulation removal in Taunton · More short answers