Windows
Casement, sliding sash, flush sash, tilt & turn and slim sash — energy-efficient uPVC and aluminium in any style or colour.
Explore windowsDouble Glazing North London & Hertfordshire — One of the Trusted Double Glazing Companies for Windows, Doors & Conservatories
Family-run, FENSA-registered installers. Quality workmanship, honest advice, and a free, no-pressure home survey — so you know exactly what you’re getting before you commit.
FENSA Registered
Pilkington Glass
Energy Saving Trust
Family Run Business
Free
home survey & written quote, no obligation
What we fit
One local team for your whole home
From draught-proof windows to a light-filled conservatory — designed, supplied and installed by our own fitters.
Doors
Composite, uPVC, aluminium, bi-fold, French and patio doors — secure, stylish and built to last, with Origin and Solidor ranges.
Explore doorsConservatories
Edwardian, Victorian, lean-to, gable and lantern-roof conservatories — bespoke living space designed around your home.
Explore conservatories
Our recent work
Real installations across the region
A few of the homes we’ve recently transformed — see the finish, the fit and the detail for yourself.
Why Canon Windows
Trusted by homeowners, not just chosen on price
We’re a local, family-run installer — not a national sales operation. You deal with the same team from first survey to final fit, and we stand behind every job.
FENSA-registered & guaranteed
Every installation is FENSA certified and backed by our 20-year guarantee, plus FENSA’s ten-year insurance-backed cover.
Local & family-run
Based in the area we serve — genuine local knowledge and accountability, with no hard-sell tactics.
Quality materials as standard
Pilkington glass, energy-efficient frames and trusted door brands — built to perform for decades.
Honest, no-obligation quotes
A clear written quote after a proper home survey — no pressure, no moving goalposts.
What customers say
Recommended by local homeowners
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★★★★★
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★★★★★
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★★★★★
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Where we work
Serving North London, Hertfordshire & Essex
If you’re nearby, we’d love to help — here are some of the areas we regularly install in.
Free, no obligation
Book your free home survey
Tell us what you’re considering and we’ll arrange a convenient time to visit, measure up and give you a clear written quote — with no pressure to proceed.
- A proper survey, not a phone estimate
- Clear written quote — no hidden extras
- Prefer to talk? Call 01992 632329
Get my free quote
We’ll reply within one working day.