The short answer
Often yes, on a low roof with safe ladder access or where a mobile tower or platform can reach the eaves. A two-storey house with a steep slope, a roof with a long drop or poor ground usually needs a scaffold, for the safety of the people working on it. Our visit to look at the house settles which, and the choice is reflected in what we put in writing.
How access is decided
Work at height is the main hazard in roofing, and the means of reaching the roof comes before the cleaning method. The questions we ask are practical. How high is the eaves line? How steep is the slope? Is the ground flat and firm along the whole length of the wall? Is there a conservatory, a bay, a garage or a flat roof in the way? Can a ladder or tower stand without blocking a path, a drive or a neighbour's access?
The answers set the choice. A bungalow, or the flat-topped rear addition on a Victorian terrace, may be reachable by ladder, secured at the gutter line, with a crawling board or roof ladder laid on the slope itself. A semi with a long, tall back wall tends to suit a tower or platform better. A tall terrace, a steep pitch or a roof with an awkward drop at one end is a scaffold job.
We would not trade safety for a lower price. If the survey says the roof cannot be cleaned safely without scaffolding, you will hear that plainly, with pictures to explain it. Our main roof cleaning and moss removal page covers the wider process.
The access options, from lightest to heaviest
- Ladders and a roof ladder. Suited to low, shallow roofs with firm ground. A roof ladder spreads load over the tiles and gives a secure foothold, but it is not suitable on fragile or very steep coverings.
- Mobile tower. A wheeled frame with a working platform. It gives a stable edge-protected stand at eaves height and is quick to move along a wall. It needs level, firm ground.
- Access platform or cherry picker. A hired lift that reaches over obstacles such as a conservatory or a garage. It needs clear space for its base and is best when the ground is hard standing.
- Scaffold. A full frame with guard rails and boarded lifts, erected by a scaffolding crew. It gives the safest working area on tall, steep or awkward roofs, and a long job can use it for several days.
- Drone or ground-based inspection. Not a cleaning method, but a way to survey the roof before choosing access.
Each step up costs more and takes longer to arrange, which is why we use the lightest option that remains safe.
What scaffolding adds to the price
On a two-storey house, scaffolding can be the single biggest cost of the job. MyBuilder's scaffolding guide, updated in August 2026, puts an ordinary two-storey house at around £850 to £1,200 for the frame, and Checkatrade's February 2026 guide quotes around £875 per month on a semi-detached. These are national figures, not our prices.
MyBuilder's roof cleaning guide, updated in August 2026, says cleaning costs start from around £300, with typical pitched roofs at £450 to £850. Set that against a scaffold of £850 or more and you can see why access matters so much to the total. It is why a roof cleaned from a tower or a ladder is often far cheaper than one that needs a full frame.
Whoever you ask for a price, find out if the total includes scaffolding and VAT. A low number that leaves access out can finish well above one that includes it. Our roof cleaning cost page looks at the wider price picture.
When scaffolding is worth it even if a ladder could reach
A ladder might reach, but that does not always make it the right choice. Scaffolding earns its cost when the roof needs repairs as well as cleaning, because the roofer then needs to carry tiles, mortar and tools safely. It also earns it when the roof is large, since a worker on a ladder or a roof ladder tires and works slowly, and a slow job is a riskier one.
Other cases include a steep pitch, a slate roof where footing is slippery when damp, and a roof with a lot of obstacles such as chimneys, dormers and valleys. A scaffold also contains falling debris and keeps loose tiles from reaching the ground.
Sharing a scaffold can save money. If gutters need replacing, a ridge needs re-bedding or chimney leadwork needs doing, one frame can serve every job and cuts the combined cost. We will say so at the survey if it applies. Some scaffolds on a pavement need a licence from the council, so check who arranges it before the date is set.
Questions to ask any roof cleaner about access
Ask how they will reach the roof and what happens if conditions change on the day. A trader who says the job will be done from the ground with a long pole, on a roof with moss at the ridge, is guessing. Ask about wind: cleaning from a ladder or tower in a gusty spell is a poor idea, and a sensible firm will move the date.
It is also worth asking how the neighbours' access is handled and how your plants, cars and conservatory roof are protected from run-off and falling debris. The moss-free guarantee page covers what you can reasonably expect from a clean.
For our own jobs, the survey includes photographs of your roof and the access points, and the written quote follows. Ring 01793 626096, or write by WhatsApp or the form, giving the storeys, roughly how steep it looks, and a spot where a ladder might stand. Those details let us suggest the likely access before we visit. Our work carries a 10-year written workmanship guarantee, and we take away what we generate.