The short answer
A mobile scaffold tower is far lower-cost than a full erected scaffold for small, low-level jobs. Hiring an aluminium tower in the UK typically costs around £40–£100 per week, and buying one runs from roughly £200 to £700+ depending on height. A full erected scaffold built by a crew is usually £600–£1,800+ per elevation. The trade-off is reach and stability: a tower suits one-spot work up to two storeys, such as painting, guttering or a window, while a full scaffold is needed for roof work, longer walls, or anything requiring several people and a long working platform. Towers must be erected and used correctly under the Work at Height Regulations 2005; for higher or complex work a CISRS-carded scaffolder and an erected scaffold are the safer choice.
For small jobs a tower can save a lot of money, but it is not a substitute for a full scaffold on bigger work. The sections below compare the two on cost, reach and safe use so you can judge which fits your job.
At a glance
- Tower hire~£40–£100/week
- Tower purchase~£200–£700+
- Erected scaffold~£600–£1,800+ per side
- Tower suitsSmall, one-spot, low-level work
- Scaffold suitsRoofs, long walls, multiple workers
Cost compared
The two options are priced in completely different ways. A tower is a hired or bought product you set up yourself (or have delivered), while an erected scaffold is a built structure including labour, design and a hire period. That makes a tower far lower-cost for small jobs, but it does not scale to bigger work. The table gives indicative UK figures for comparison.
| Option | Indicative UK cost | Suited to |
|---|---|---|
| Aluminium tower hire | £40–£100/week | Short, low-level one-spot jobs |
| Aluminium tower purchase | £200–£700+ | Repeated DIY use over years |
| Single-side erected scaffold | £600–£1,800+ | Walls, roof edges, longer reach |
| Whole-house erected scaffold | £1,500–£4,000+ | Re-roofs, render, full elevations |
Indicative figures for guidance only. Tower prices vary by height and supplier; scaffold prices by height, length and hire.
Where a tower saves money
A mobile tower comes into its own for small, self-contained jobs where one person works in one place for a short time: painting a section of wall, clearing a stretch of gutter, replacing a fascia board, or reaching a single upstairs window. For these tasks, hiring or owning a tower at a fraction of the cost of a built scaffold makes obvious sense, and the tower can be moved along the wall as work progresses.
The savings are real but conditional. A tower only works where the ground is firm and level, the working height is modest (typically up to two storeys), and the job suits a compact platform rather than a long run. Towers also have to be assembled in the correct sequence, fully braced, with outriggers or a stable base, and used with the wheels locked. Used wrongly they are a serious fall risk, which is why the Work at Height Regulations 2005 apply to their assembly and use just as they do to scaffolds.
Where a full scaffold is worth the cost
For anything beyond a small one-spot job, an erected scaffold earns its higher price. Roof work, a full re-roof, fascias and soffits along a whole elevation, rendering or painting an entire wall, or any job needing several workers and materials at height, all call for a long, stable working platform with proper edge protection, which a single tower cannot provide. A scaffold also stays up for the whole project, so trades can come and go without re-erecting access each time.
There is a safety dimension as well. A scaffold built by a CISRS-carded scaffolder to NASC technical guidance, with the correct guardrails, toe boards and ties, gives a far more secure platform for sustained work at height than a mobile tower stretched to its limits. For three-storey properties, steep roofs, or work over an extended period, the full scaffold is usually the appropriate and safer choice despite the higher cost. The sensible rule is to match the access to the job: a tower for small, low, short jobs, and an erected scaffold for everything larger or higher.
Hidden costs and safe use of a tower
A tower's headline hire rate is only part of the picture, and it is easy to underestimate the wider cost and responsibility of using one. If you hire a tower, you are typically responsible for assembling, moving and using it safely, which means following the manufacturer's instructions, fitting all the braces and stabilisers, locking the wheels before climbing, and never exceeding the safe working height or load. The Work at Height Regulations 2005 apply to a tower just as they do to a scaffold, so it must be erected by someone competent to do so and inspected before use. Towers are a recognised cause of falls when assembled incorrectly or overreached from, so the saving over a full scaffold comes with a genuine duty to use it properly.
There can be practical extra costs too. A tower needs firm, level ground; on a soft lawn or sloping drive you may need base boards or be unable to use one safely at all. Delivery and collection charges, and the cost of any outriggers or extra sections needed to reach your working height, add to the bare weekly rate. For a one-off job, hiring is usually the sensible choice; buying only pays off if you will use the tower repeatedly over years and have somewhere to store it. Weighing these factors against the simplicity of an erected scaffold, where the firm takes on the build, inspection and safety, is part of deciding which option genuinely costs less for your situation once everything is accounted for, not just the headline figures.
Matching the access to the job, not the budget
The sensible way to choose between a tower and a full scaffold is to start from the work, not from the price. A mobile tower is the lower-cost option, but cost should be the second question, not the first; the first is whether a tower can do the job safely. For a short, low, one-spot task on firm level ground, where one person works in one place and can reach everything from a compact platform, a tower is usually both adequate and economical. The moment the job needs a long working platform, full edge protection across a roof, several trades, or access above roughly two storeys, the tower stops being a cheaper alternative and becomes the wrong tool, and an erected scaffold is the appropriate choice despite the higher figure.
It is also worth remembering that the headline saving on a tower assumes you set it up and use it correctly. The Work at Height Regulations 2005 apply to a tower just as they do to a full scaffold, so it must be assembled in the right sequence, fully braced, stabilised and used with the wheels locked, by someone competent to do so. A tower used beyond its safe height, on soft or sloping ground, or without its stabilisers, is a genuine fall risk, and any saving it offered evaporates the moment it is used unsafely. Choosing the access that genuinely fits the task, and using whichever option you pick exactly as intended, matters far more than the difference in price between the two.
Frequently asked questions
Is a scaffold tower safe for roof work?
Generally not for working on the roof itself. Towers suit reaching a roof edge or low-level work, but full roof work needs an erected scaffold with proper edge protection and a continuous working platform. Always assess the task against the Work at Height Regulations 2005.
Can I hire a tower instead of paying for scaffolding?
For a small, low job, yes, a tower can be a much lower-cost alternative. For roof work, long walls or multi-storey access it is not a substitute for a full scaffold, and on some insured or commercial work a built scaffold may be required.
How high can a scaffold tower go?
Aluminium towers are commonly used up to around two storeys for domestic work, with taller towers available but subject to stricter stability requirements. Beyond modest heights an erected scaffold is usually the safer and more practical option.
Sources & further reading
Figures on this page are typical UK ranges drawn from published sources and depend on your specific job. They are guidance, not a quotation.