Ask a homeowner what they expect to see outside the house during a roof replacement and the answer is usually a skip. The scaffold is a bigger thing than that. It goes up before the first tile comes off, it is the last thing to leave, and on many quotes it is one of the largest single items after the materials. People sometimes ask whether roofers could manage with a couple of ladders and a cherry picker. For a repair of a few tiles, perhaps. For stripping and recovering a roof, no responsible roofer would, and the law on working at height points the same way. This page explains what a roof scaffold is, what it is doing for the money, and the practical points to settle before it arrives.
What a roof scaffold is
A roof scaffold is a framework of steel tubes, tied back to the building, that surrounds the parts of the house the roofers need to reach. The usual layout has upright standards set on base plates on the ground, horizontal ledgers and cross-braces, and boarded platforms called lifts at set heights. For a pitched roof the top lift is at eaves level, with a guard rail around it. Often an extra rail or a toe board system is added above eaves so that a roofer who slips on the slope is caught before the edge. A ladder tower or a stair gives access, and a hoist or chute handles materials and waste.
Scaffold gives a flat, safe place to stand and a place to stack tiles. Without a platform at the eaves, every pack of tiles has to be carried up a ladder, and nothing can be stacked safely close to the work. The finished roof also needs the scaffold. Fascias, soffits and gutters are done from the same platform, and the final inspection of the roof edge is only possible from there.
Why ladders are not enough for a replacement
Working at height is a regulated activity. The principle behind the rules is straightforward: where a fall could cause injury, collective protection such as edge guards comes before personal protection such as harnesses, and both come before relying on a ladder alone. A ladder is for short, low-risk tasks, not for hours of carrying and laying heavy material across a slope. A roof replacement is the opposite. It involves lifting concrete tiles that weigh several kilograms each, working along an edge and standing on a pitched surface for days. A scaffold with edge protection is the standard answer.
There is a quality reason as well. Roofers work faster on a platform than on a roof ladder, because they can stack materials beside them and move along the eaves freely. The edge details get better attention when no one is balancing. In our experience the quality of a gutter run or an eaves tray reflects how comfortable the person fitting it was.
What scaffolding costs
Scaffold charges vary a great deal with the size and shape of the house, the length of hire and the access. A cost guide covering roofline work puts scaffold hire anywhere from £200 to £2,600, a wide range that reflects the difference between a small front-only tower and a full wrap-around on a large detached house. Those are typical UK ranges, not our own prices. Treat them as a guide to scale. Your fixed quote follows the survey. On our written quotes the scaffold is itemised or described clearly, so you can see what part of the total it makes up, and nothing is added later for scaffold that was part of the specification.
The main cost drivers are easy to list:
- Perimeter: a terraced house needs the front and back, a detached house may need all four sides.
- Height: a three-storey house needs more lifts than a bungalow.
- Complications: a conservatory roof, a sloping garden, a narrow side passage, a bay window or an extension that the scaffold has to be built over.
- Duration: hire is charged by the week, so a roof that finishes in good time costs less than one held up by weather.
- Extras: a loading bay, a chute, a hoist, debris netting, or sheeting to make the scaffold weathertight.
Who arranges it
We arrange it. A scaffolding contractor erects it to our specification, we agree the dates, and the cost is included in your quote. Some homeowners ask whether they can book their own scaffolder and save money. Sometimes it works, but it brings risks: the scaffold may not be positioned or tied for the work, it may be taken down before the job has finished because the hire period was guessed, and if a fault appears there is a question of who is responsible. It also adds a second party on the site who has to coordinate with the roofers. We prefer to take charge of the whole sequence, so that scaffold dates follow roof dates.
Scaffolding must be inspected by a competent person after it is erected, at regular intervals while it stands, and after bad weather. The inspections are the scaffolder's job and are recorded on the scaffold tag at the access point. It is worth reading the tag before anyone climbs.
Permission, pavements and neighbours
If the scaffold can be built entirely within your own boundary, you rarely need anyone's consent. Things change when a pole or a platform goes over someone else's land. A scaffold that oversails a neighbour's garden, or needs to stand on their drive, calls for their agreement, so ask early and explain what is planned. Most neighbours are understanding when told in advance and much less so when scaffold appears over their fence. Our answer on telling neighbours about a new roof has some practical wording.
On a terraced street, a scaffold may need to stand on the pavement or the road. That requires a licence from the highway authority, usually county or unitary council, which governs where the poles go, how pedestrians are kept safe, and whether lights and boards are needed. Your scaffolder normally applies for it. Check with your council's highways team if you are unsure, and allow time, because licences are not issued instantly. Parking suspensions may be needed as well, so the lorry can park at the kerb.
Security, privacy and living with it
A scaffold is a ladder with an open invitation, so the access points should be boarded off or the ladders lifted overnight. Many scaffolders fit an alarm. Ask what the scaffolder does at the end of each day and tell your home insurer if the scaffold will be up for some time, because some policies expect it. A house with scaffolding at the windows also loses some privacy, as roofers can see into rooms at platform height. We ask crews to keep eyes on the roof and not the windows, and you can draw the curtains on that side while they are working.
Gardens take a knock. Boards and poles stand on lawns and beds, so cover plants close to the house, move pots and furniture, and expect the grass to be marked. Satellite dishes, alarm boxes and aerials may have to be moved temporarily. If you have a conservatory, glass, or a lean-to roof below the work, ask us how it will be protected; sometimes boarding over the top is added.
How long it stays up
A scaffold is up for as long as the roof job needs plus a few days either side. It is erected before the strip begins and comes down when the roof, the roofline and the final inspection are finished. The time depends on the size of the roof, the weather and any extras such as new fascias and soffits. Rain and high winds can stop the work and add days of hire. Be wary of a quote that promises an exact number of days without having seen the roof, and wary of one that leaves scaffold out and lets it appear as an extra. Our day-by-day roof replacement process shows where the scaffold fits in the sequence, and our answer on how long a roof replacement takes deals with the length of the whole job.
Edge protection, weather and wind
A scaffold is also a large flat surface for the wind to push against, which is why it is tied to the building at regular points through brackets fixed into the masonry or through window reveals. Any sheeting or netting makes the push stronger, so debris netting is fitted with care and removed or loosened in a gale. A roof job on an exposed site, such as a house on the edge of an estate or on a hill outside town, needs the ties checked more often. After a storm the scaffolder inspects the frame before work restarts, and nobody should climb it until that has happened. If you see a pole out of line, a board hanging loose or a tie that has pulled out, tell us at once and keep clear of that side of the house.
When a scaffold is not needed
There are exceptions. A small single-storey flat roof, such as a porch or a garage, can often be replaced from a pair of ladders and a safe working position at ground level or a low platform. Some contractors use a mobile tower or a platform lift for a modest repair. A single storey extension may only need edge protection on the roof itself. We tell you at the survey if scaffolding is not needed and take it out of the quote. What we will not do is pretend that a two-storey full re-roof can be done from a ladder to keep the price down. Our guide to comparing roof replacement quotes suggests checking that every quote you receive includes scaffold, waste and building control costs, so that you are comparing the same job.
What to ask before you accept a quote
A short list helps. Is the scaffold included in the price, and for how many weeks? Who erects it, and who is responsible for it? Does the quote cover all sides of the house that the roof touches? Is a pavement licence needed, and who applies for it? What happens if the job runs over? What happens to the scaffold in a gale? A clear written answer to each of these is a sign of a roofer who has thought about the job. For the rest of our replacement work, see roof replacement in Basingstoke, or ring 01256 213956 to book a survey and we will talk the scaffold through on your own house.
