Trade guide
How to Become a Window Cleaner in the UK
Overview
Window cleaning is one of the simplest businesses to start in the UK, with low barriers to entry and strong self-employment potential. Modern water-fed pole systems mean most residential work is done safely from ground level, and commercial contracts provide steady, recurring income. A well-run solo round brings in £25,000-£40,000 a year with low overheads, and £50,000+ once you add commercial contracts. It's hard physical work, but it's outdoors, independent, and genuinely profitable.
Next steps
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Step-by-Step Career Path
Research the Industry
Understand the difference between residential rounds (regular domestic customers) and commercial contracts (offices, shops, industrial). Most successful window cleaners combine both for steady income.
Get Basic Training
While no formal qualifications are required, a short window cleaning course (1-3 days) covering technique, safety, and water-fed pole operation is recommended. The British Window Cleaning Academy offers recognised courses.
Invest in Equipment
A water-fed pole system costs £500-£2,000, plus a van, pure water system (DI vessel or RO unit), ladders, and basic supplies. Total startup costs are £3,000-£8,000 for a professional setup.
Build Your Round
Start by door-knocking in your local area. Offer competitive introductory rates. Residential customers typically pay £5-£15 per clean, done every 4-8 weeks. Build a regular route for efficiency.
Get Insured and Registered
Public liability insurance is essential (around £100-£200/year). Register as self-employed with HMRC. Consider joining the Federation of Window Cleaners for credibility.
Scale Your Business
Add commercial contracts for higher-value work. Consider hiring employees or subcontractors. Some window cleaners add services like gutter cleaning, pressure washing, or conservatory cleaning for additional revenue.
Qualifications Needed
- ✓No formal qualifications required
- ✓Window Cleaning Safety Training (recommended)
- ✓Working at Height Training (for traditional methods)
- ✓IPAF Licence (for commercial high-rise)
- ✓First Aid Certificate (recommended)
- ✓Public Liability Insurance (essential)
Pros & Cons
Pros
- Very low barrier to entry
- Low startup and running costs
- Outdoor work with independence
- Recurring income from regular customers
- Flexible working hours
- Can be very profitable when scaled
Cons
- Weather-dependent — rain and wind affect work
- Physically demanding all-day outdoor work
- Seasonal slowdown in winter
- Building a round takes time initially
- Competition from other window cleaners
- Working at height risks (commercial work)
Frequently Asked Questions
How much can a window cleaner earn?▼
A solo window cleaner with a full round earns £25,000-£40,000. Experienced cleaners with commercial contracts earn £35,000-£50,000+. Those who build a team and manage multiple rounds can earn significantly more.
Do I need qualifications to clean windows?▼
No formal qualifications are required for residential window cleaning. However, commercial and high-rise work may require Working at Height training, IPAF certification, or rope access qualifications.
How much does it cost to start a window cleaning business?▼
A basic setup costs £3,000-£5,000 (water-fed pole, DI vessel, van). A professional setup with RO system and multiple poles costs £5,000-£10,000. Running costs are low — mainly fuel, pure water, and insurance.
What is a water-fed pole system?▼
A water-fed pole uses purified water pumped through a telescopic pole with a brush head. The pure water cleans glass without detergent and dries spot-free. Poles reach up to 65 feet, eliminating the need for ladders on most residential properties.
Is window cleaning a good business in 2026?▼
Yes. It's a simple, recession-resistant service with recurring revenue. Property always needs cleaning, and domestic customers tend to be loyal. The key is building a dense, efficient round in your local area.
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