Serving all of London · same-week slots
Streak-Free Window Cleaning London
Purified reverse-osmosis water, carbon-fibre poles to 20m, and traditional detailing on the inside. Sparkling windows — no drips, no ladders, no fuss.
Transparent pricing
Fixed prices — no callout fees
What's included
Every job. Every time.
One fixed price, one clear scope, one team you know by name. No add-on surprises, no watered-down finish.
- Pure water reach-and-wash for external glass
- Frames, sills and doors detailed
- Traditional cloth finish on interiors
- Sash tracks and cills brushed clean
- Skylights and conservatories accessible
- One-off, monthly or bi-monthly plans
Full checklist
What we tick off, room by room
External
- Pre-rinse pass
- Pure-water agitator brush
- Frames and sills scrubbed
- Final rinse — spot-free dry
- Skylights up to 20m
Internal
- Two-cloth streak-free finish
- Interior sills and tracks
- Blinds dusted (add-on)
- Curtains carefully moved
- Furniture protected
Extras
- Conservatory roofs
- Solar panels
- Bi-fold doors
- Shopfront glass
- Gutter face wash
Real results
Before & after
Every clean documented for our records — and yours. A quick look at the transformation you can expect.
Why Syon
Why choose Syon Cleaning?
01
£5M public liability & £10M employer's liability insurance
02
DBS-checked, uniformed teams — never subcontracted mid-job
03
Fixed prices online — no callout fees, no surprises
04
4.9-star average across 400+ verified West London reviews
05
72-hour re-clean guarantee on every booking
06
Same-week availability across every West London postcode
Our process
Booked in 60 seconds. Cleaned this week.
1. Instant quote
Answer four questions online or call us. You get a fixed price in under 60 seconds — no site visit required for 90% of jobs.
2. Confirm & schedule
Pick a slot that suits you — evenings and weekends included. We hold 30% of next-week capacity for new customers.
3. Vetted team arrives
DBS-checked, uniformed cleaners in signed Syon vans. All equipment, products and PPE supplied.
4. Guaranteed finish
We don't leave until you sign off. If anything's missed within 72 hours, we return free. Pay only when you're happy.
Client reviews
What our London clients say
“Fair price, fixed quote, no upselling. Everything they promised on the phone was delivered.”
“Immaculate finish and the team was in and out in the promised window. Deposit returned in full.”
“Discreet, uniformed, brilliant with our historic flooring. We now have them on a fortnightly plan.”
Areas covered
Trusted across West & Central London
Plus every postcode in W, SW, TW, KT and neighbouring boroughs. Not sure? Ask us.
FAQs
Frequently asked questions
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Book today
Streak-Free Window Cleaning London — book in 60 seconds
Fixed quote. Same-week slots. 72-hour re-clean guarantee. You'll never be pressured, upsold or ghosted.