The UK Window Cleaning Market in 2026

Window cleaning is one of the most reliable small businesses in the UK. The domestic cleaning services market (which includes window cleaning) is valued at over £7 billion, and window cleaning specifically accounts for a significant slice of that. Every home and commercial building has windows that need cleaning, and the vast majority of homeowners outsource the job.

The industry has undergone a quiet revolution over the past decade. Water-fed pole technology has replaced ladders for most residential work, making the job safer, faster, and more accessible. You no longer need years of experience balancing on a ladder at 30 feet. A good water-fed pole system and pure water setup lets a complete beginner clean windows professionally within a few days of practice.

The economics are compelling. A solo window cleaner with a tight residential round of 150 to 200 customers, each paying £10 to £15 per month, generates £1,500 to £3,000 per month in recurring revenue, with minimal ongoing costs beyond fuel, resin, and insurance. Once your round is built, the income is predictable month after month.

Subscriptions build a round worth selling

The traditional window cleaning model already works on repeat custom. Converting that into formal monthly subscriptions (fixed Direct Debit or card payment on the same date each month) transforms your round into a predictable revenue asset. 150 customers at £12/month on subscription = £1,800/month = £21,600/year of baseline income that continues even when the odd customer cancels a single visit.

Business Planning

Defining Your Services

Most window cleaning businesses offer a core set of services. Define yours early:

Residential window cleaning: The bread and butter. Regular monthly or 4-weekly cleans for homeowners.
Commercial window cleaning: Shops, offices, restaurants, pubs. Usually weekly or fortnightly. Higher value per job.
Conservatory cleaning: Roofs, frames, and glass. A high-value add-on (£40 to £100+ per clean).
Gutter clearing: A natural upsell, especially in autumn. £40 to £80 per property with a gutter vacuum.
Fascia, soffit, and cladding cleaning: Adds revenue per visit with minimal extra time.

Start with residential window cleaning as your core offering. Add conservatories and gutters as upsells once you are comfortable with the basics. Commercial work can follow once you have capacity and confidence to quote larger jobs.

Pricing Strategy

Lead with monthly subscription pricing. Every customer on a regular clean should ideally be paying a fixed monthly amount via Direct Debit or card, collected automatically.

Typical UK residential pricing (per clean, on a monthly cycle):

Terraced / small semi: £6 to £10
3-bed semi / detached: £10 to £15
4+ bed detached: £15 to £25
Large / period properties: £25 to £50+

Do the maths on a subscription round

Aim for an average of £12 per customer per month. 100 customers = £1,200/month. 150 customers = £1,800/month. 200 customers = £2,400/month = £28,800/year. Add conservatory and gutter work, and a solo window cleaner with 180+ regular customers can realistically gross £35,000 to £45,000/year. With a helper and 300+ customers, £60,000+ is achievable.

Price by the property, not by the hour. Walk up to the house, count the windows, assess access, and quote a fixed price. Some window cleaners use a simple formula: £1 to £2 per window as a starting point, then adjust for difficulty and access.

Building Your Business Plan

Keep it practical:

Your service area: which postcodes or neighbourhoods will you target?
Target customer numbers: how many regular customers to hit your income goal?
Pricing per property type in your area
Startup equipment budget
Marketing plan: how many leaflets per week, which streets first?
Route planning: group customers by area to minimise driving time

Legal Requirements & Business Setup

UK-focused, but Bizzly works worldwide

The legal and tax guidance in this section is based on UK regulations. If you are starting your business outside the UK, check your local requirements for business registration, insurance, tax obligations, and any industry-specific licences. The business planning, marketing, and operational advice throughout this guide applies everywhere.

Registering Your Business

Register as a sole trader with HMRC. This is free and takes 5 minutes online. You will need to file a Self Assessment tax return annually. This is the right structure for the vast majority of new window cleaning businesses.

A limited company (£50 to register at Companies House) can be more tax-efficient once profits exceed £40,000 to £50,000, but adds admin: Corporation Tax returns, annual accounts, and director responsibilities. Consider it once you are established and profitable.

Local Licensing

There is no national window cleaning licence. However:

Some English councils require window cleaners to register under a local licensing scheme. Check with your local council's trading standards or environmental health team.
In Scotland, window cleaners may need a licence under the Civic Government (Scotland) Act 1982. Contact your local council for details.
If you clean commercial properties, you may need to comply with COSHH regulations for any chemicals used (though pure water systems mostly eliminate this).

Insurance

Essential insurance for window cleaners:

Public liability insurance: Covers accidental damage to property (cracked glass, water damage, scratched frames) and injury to third parties. Minimum £1 million cover for residential work; £5 million for commercial contracts (most businesses require this). From £60/year through Hiscox, PolicyBee, or Simply Business.
Employers' liability insurance: Only required once you hire employees. Minimum £5 million cover, legally required. From £80/year.
Van insurance: Business use cover on your vehicle policy. Tell your insurer you use the vehicle for window cleaning. Failure to do so can void your policy.
Equipment cover: Optional but recommended. Covers your pole system, pure water equipment, and tools against theft or damage.

Health and Safety

Working at height remains the primary risk. Under the Work at Height Regulations 2005, you must:

Avoid working at height where possible (water-fed poles achieve this for most residential work)
Use appropriate equipment rated to the correct standard when height work is necessary
Complete a basic risk assessment for each job (mentally assess access, ground conditions, overhead hazards)
Consider a Working at Height training course, especially if you use ladders regularly

GDPR

You will hold customer names, addresses, phone numbers, email, and payment details. Keep a simple privacy notice on your website, store data securely, and delete records when a customer leaves. This does not need to be complex but must be done.

Finances & Accounting

Startup Costs

Window cleaning requires more upfront investment than some service businesses, primarily in equipment. Here is what to budget:

Item	Estimated Cost	Notes
Water-fed pole system (entry level)	£300 to £600	A 20 to 30ft telescopic pole with brush and fittings. Unger, Gardiner, or Xline are popular UK brands.
Pure water system (DI vessel or RO)	£100 to £400	A DI (deionised) resin vessel is cheapest to start. RO (reverse osmosis) systems are more economical long-term.
Traditional tools (squeegees, bucket, ladder)	£80 to £200	Ettore or Unger squeegees, T-bar applicators, bucket-on-a-belt. Still needed for indoor glass and conservatories.
Ladders (if needed)	£100 to £250	A double-extension ladder rated to EN131 standard. Two-storey work only. Water-fed poles reduce ladder dependency.
Public liability insurance	£60 to £130/year	Minimum £1 million cover. Most commercial clients require £5 million. Providers include Hiscox, PolicyBee, Simply Business.
Vehicle (if not already owned)	£1,500 to £5,000	A small van or estate car to carry equipment. Many window cleaners start with a car and roof bars.
Water tank and pump (for van)	£150 to £400	A 250 to 500 litre tank, 12v pump, and hose reel. Gravity-fed systems are cheaper; pumped systems are faster.
Marketing (leaflets, cards)	£30 to £100	1,000 to 5,000 leaflets from Vistaprint or Solopress. Business cards for networking.
Accounting software	£0 to £15/month	Wave (free) or Xero (from £15/month). Essential for invoicing and tracking income.
Booking/CRM software	£0 to £29/month	Optional at the start. Becomes essential once you have 50+ regular customers.
Total Estimated Startup Cost	£2,320 to £7,095 (one-off) + £0 to £44/month

Starting on a budget

You can start with a basic water-fed pole (£300), a DI vessel (£100), traditional tools (£80), and your existing car. This gets you cleaning windows for under £600. Upgrade to a fuller setup as you earn. Many successful window cleaners started with under £1,000.

Setting Up Accounting

Open a free business bank account (Starling, Tide, or Mettle) to keep business and personal finances separate
Use Xero for invoicing and bank reconciliation. Many small service businesses use Xero to automate invoicing for recurring customers. Wave is a free alternative for basic needs.
Track every business expense from day one: equipment, fuel, resin, insurance, phone, portion of vehicle costs
Set aside 25 to 30% of income for tax
File Self Assessment by 31 January each year

Tax Obligations

As a sole trader you pay income tax and National Insurance on your profits. Window cleaning is not VAT-exempt, so if your turnover exceeds £90,000, you must register for VAT. Most solo window cleaners stay well below this threshold.

Allowable expenses you can claim: equipment and repairs, pure water resin, fuel and vehicle costs (45p/mile simplified or actual costs), insurance premiums, phone costs (business proportion), software subscriptions, marketing costs, workwear, and training courses.

Tools & Software to Run Your Window Cleaning Business

A growing window cleaning business needs five core capabilities: online booking (so customers can request a quote or schedule their first clean), recurring billing (to collect monthly payments automatically without chasing each customer), client records (to track customer addresses, access notes, and cleaning history), automated reminders (to confirm upcoming visits and reduce missed appointments), and a public-facing presence (a website or booking page where new customers can find and contact you).

All-in-One Platforms

These handle website, booking, payments, and customer management in a single system:

Bizzly provides a website, booking page, subscription billing, and client management from one dashboard. Supports recurring monthly billing for regular window cleaning rounds and flexible scheduling for one-off jobs. You can be live with a public booking page and recurring payments in under 15 minutes.
Jobber is popular with field service businesses. Strong on quoting, scheduling, and invoicing. Route optimisation available on higher plans. From $39/month.
Housecall Pro offers scheduling, dispatching, invoicing, and payment processing. Better suited to US markets but usable in the UK. From $65/month.
Squeegee is a UK-built app specifically for window cleaners. Handles round management, route planning, customer records, and invoicing. Popular in the UK window cleaning community. From £5/month.

Building Your Own Stack

If you prefer to choose each tool individually:

Website: Wix, Squarespace, or a free Google Site
Recurring payments: GoCardless for Direct Debit (1% + 20p per transaction); Stripe for card payments (1.5% + 20p)
Round management: A Google Sheet with customer addresses, pricing, and cleaning dates works for your first 50 customers
Invoicing: Xero or Wave (free). Window cleaning invoicing software automates billing for regular customers.
Route planning: Google Maps or Route4Me (free tier available) to optimise your daily driving route

Getting set up is faster than you think

An all-in-one platform or simple window cleaning invoicing software can have you collecting monthly subscription payments from your round within a single afternoon. Do not let admin setup delay your first leaflet drop.

For a detailed comparison of pricing and features across platforms, see our best software for service businesses guide.

Marketing & Getting Your First Customers

Leaflet Drops

Leafleting is the single most effective way to build a window cleaning round. The numbers are straightforward:

Expect a response rate of 1 to 3% (1 to 3 enquiries per 100 leaflets)
Drop 200 to 500 leaflets per week, targeting specific streets and estates
Focus on areas with the type of housing that matches your target pricing (3-bed semis and detached homes typically pay more)
Include your name, phone number, services, rough pricing, and the fact that you are local, insured, and reliable
Re-leaflet the same streets 2 to 3 times over a few months (repetition builds recognition)

The compound effect of leafleting

200 leaflets per week with a 2% conversion rate = 4 new customers per week = roughly 16 new customers per month. In 6 months, that is nearly 100 regular customers. Most of those customers will stay for years, making each leaflet drop an investment that pays indefinitely.

Door-to-Door Canvassing

Knocking on doors converts at a much higher rate than leaflets (5 to 15%). It takes more nerve, but a simple pitch works: “Hi, I'm [name], a local window cleaner. I'm taking on new customers in this street. Would you like a free quote?” Many window cleaners combine leaflets with canvassing for maximum results.

Google Business Profile

Set up a free Google Business Profile. When someone searches “window cleaner near me,” having a GBP listing with good reviews puts you ahead of 90% of window cleaners who still rely entirely on leaflets. Add your service area, photos of your work, and ask every satisfied customer for a review.

Facebook Groups

Join local community groups and “recommended tradespeople” groups. When someone asks “can anyone recommend a window cleaner?” be the first to reply. You can also post offers for new customers in groups that allow advertising.

Word-of-Mouth and Referrals

Once you have 20+ customers, word-of-mouth accelerates growth dramatically. A happy customer who tells their neighbour is the most effective marketing you will ever receive. Consider a simple referral incentive: one free clean for every new customer referred.

Online Reviews

After your first few cleans with each customer, ask for a Google review. Aim for 20+ reviews with a 4.8+ average rating. Positive reviews are the deciding factor for customers choosing between you and another window cleaner. Make it easy by sending a direct link to your Google review page via text message.

Operations & Scaling

Day-to-Day Operations

A typical day for a solo window cleaner with a full round:

Load van with equipment, fill water tank (if not done the previous evening)
Follow your route, cleaning 20 to 40 properties per day depending on size and density
Mark each job as complete in your round management app or spreadsheet
Note any access issues, new quotes requested, or upsell opportunities (gutters, conservatories)
End of day: update records, respond to any enquiries, plan tomorrow's route

Efficiency is everything in window cleaning. A tight, geographically focused round means less driving and more cleaning. Aim to cluster customers on the same streets and estates. Some window cleaners work 4 long days and take Fridays for admin, quotes, and marketing.

Round Density

The most profitable window cleaning rounds are dense: many customers close together. When leafleting, target specific streets methodically rather than scattering leaflets across a wide area. A dense round means you can clean more houses per day, use less fuel, and finish earlier.

Scaling Your Business

Once your round is full (typically 150 to 200 customers as a solo operator), you have several growth options:

Hire a helper: Train someone to work alongside you. You clean twice as many houses per day. Pay them hourly (£10 to £13/hour) and keep the difference.
Take on a second round worker: Give them a van, equipment, and a round of customers. You manage the business, marketing, and billing while they do the cleaning. You earn a margin on every clean they do.
Add services: Gutter clearing, fascia cleaning, pressure washing, conservatory cleaning. These increase revenue per customer without needing more customers.
Commercial contracts: Shops, offices, and restaurants often pay more per job and clean more frequently (weekly). A few commercial contracts can significantly boost income.

IR35 note

If you engage workers, ensure the arrangement is genuinely self-employed (they supply their own equipment, work their own hours, can send a substitute) or employ them properly. HMRC is active in this area and the penalties for getting it wrong are severe.

Scaling Milestones

Month 1 to 3: 30 to 80 regular customers, earning £400 to £1,000/month
Month 3 to 6: 80 to 150 customers, £1,000 to £2,000/month
Month 6 to 12: 150 to 200 customers, £1,800 to £3,000/month, round nearly full
Year 2: First employee or helper, 250 to 350 customers, £3,500 to £5,000/month
Year 3+: Multiple rounds, 500+ customers, £60,000 to £100,000+/year revenue

Automating Admin

As your round grows, automate these tasks first:

Recurring payments: Monthly Direct Debit or card payments instead of chasing cash at the door
Route planning: Use software to optimise your daily route and reduce driving time
Customer communications: Automated messages confirming cleaning day, or notifying of weather delays
Invoicing: Automatic invoice generation and sending for every completed clean

Frequently Asked Questions

Do I need qualifications to start a window cleaning business?

No formal qualifications are required. However, if you plan to work above ground floor level with ladders, you should complete a Working at Height course (available for £50 to £100 online or through the Federation of Window Cleaners). Water-fed pole work does not require a course but taking one accelerates your learning. The BWCA (British Window Cleaning Academy) offers well-regarded training days.

How much can I earn as a window cleaner in the UK?

A solo window cleaner with a full round of 150 to 200 residential customers on monthly or 4-weekly cleans typically earns £30,000 to £50,000 per year. Earnings depend on your area (affluent suburbs pay more), speed, round density (minimising drive time), and whether you add commercial contracts. Top earners with efficient rounds and some commercial work exceed £60,000.

How many customers do I need to make a full-time living?

With an average residential clean of £8 to £15 per visit on a monthly subscription, you need 130 to 200 regular customers to earn £1,500 to £2,500+ per month. On a 4-weekly cycle, that represents about 30 to 50 cleans per day across 4 to 5 working days. Most window cleaners hit this within 6 to 12 months of consistent leafleting and word-of-mouth.

Should I use water-fed pole or traditional methods?

Both. Water-fed poles are faster, safer (no ladder for most residential work), and deliver a streak-free finish using purified water. They are the standard for modern window cleaning. Traditional methods (squeegee and applicator) are still needed for internal cleaning, conservatory roofs, and situations where poles cannot reach. Invest in a water-fed pole system from day one and keep traditional tools as a supplement.

Do I need a licence for window cleaning?

There is no national licence requirement. However, some local councils in England require window cleaners to hold a street trading permit or register under a local licensing scheme. Check with your local council before starting. In Scotland, window cleaners may need to apply for a licence from the local authority under the Civic Government (Scotland) Act 1982.

Is window cleaning seasonal?

There is a natural dip in December and early January when some residential customers cancel or postpone their clean. However, if your customers are on monthly subscriptions, the impact is minimal because they continue paying. Commercial clients (shops, offices, restaurants) typically want year-round cleaning. A subscription model smooths out seasonal fluctuations significantly.

How do I price commercial window cleaning?

Commercial pricing depends on the number of panes, accessibility, frequency, and height. A small shop front might be £10 to £20 per clean (weekly or fortnightly). An office building could be £50 to £200+ per clean depending on size. Quote per job rather than per hour. Visit the premises, count the panes, assess access, and price accordingly. Commercial work often has better margins than residential once you build efficiency.

What is window cleaning invoicing software?

Window cleaning invoicing software automates the billing process for regular customers. Instead of manually creating invoices every month, the software generates and sends them automatically based on your cleaning schedule. Many modern platforms combine invoicing with scheduling, route planning, and subscription billing so customers pay a fixed amount monthly via Direct Debit or card.

Should I buy an existing round or build from scratch?

Both are valid. Buying an existing round (typically priced at 3 to 5x monthly revenue) gives you immediate income but comes with risks: customer retention is never guaranteed and the price you were told per clean may not match reality. Building from scratch is slower but cheaper, and every customer is yours from day one. Many successful window cleaners build their own round through leafleting and still reach full capacity within 12 months.

Do I need employers liability insurance?

Only if you employ staff. As a solo window cleaner, public liability insurance is the key policy. Once you hire employees (including subcontractors in some cases), employers liability insurance becomes a legal requirement, with a minimum cover of £5 million. Fines for operating without it can reach £2,500 per day.

Next Steps: Your Window Cleaning Business Checklist

Here is everything covered in this guide, distilled into an action plan:

Register as a sole trader with HMRC (free, 5 minutes online)
Check local council licensing requirements
Get public liability insurance (£60 to £130/year)
Buy a water-fed pole system and pure water vessel (from £400 total)
Get traditional tools (squeegee, applicator, bucket) for indoor work
Set up your vehicle with a water tank and pump
Set your pricing: monthly subscription per property
Print 1,000+ leaflets and start dropping in target streets
Set up a Google Business Profile
Open a free business bank account (Starling, Tide, or Mettle)
Set up Xero or Wave for invoicing
Start cleaning and ask every customer for a Google review
Move customers to monthly subscription payments as soon as possible
Re-leaflet target streets every 4 to 6 weeks

Window cleaning is one of the most reliable, recession-resistant small businesses you can start. The startup costs are manageable, the demand is constant, and once you build a round of loyal subscribers, your income is predictable month after month. If you are looking for an all-in-one platform to manage your window cleaning business, take a look at Bizzly.

How to Start a Window Cleaning Business in 2026: Complete UK Guide