Made in our own London factory
Secondary glazing in Hendon
Our own fitters install secondary glazing across Hendon. Every frame is built in our factory, from our Edmonton factory.

Secondary glazing for Hendon homes
Around Hendon you will mostly find interwar semis, Victorian terraces near Church End and purpose-built flats. In 1930s bays, secondary glazing can follow each facet of the bay or span across it, so we measure carefully around radiators, sills and curtain tracks.
Behind Victorian sash windows, vertical sliding secondary glazing aligned with the meeting rail keeps the view uninterrupted and lets both windows open for ventilation. For flats where the lease or freeholder prevents changing external windows, secondary glazing fitted inside is usually the simplest way to reduce traffic noise and heat loss.
Secondary glazing is a discreet second window fitted on the inside of your existing windows, leaving the originals untouched. It suits listed buildings, conservation areas, flats where external windows cannot be changed, and anyone wanting to cut noise and draughts without replacing period windows.
- Keeps original windows in place
- Suitable where replacement is restricted
- Panels open or lift out for cleaning
Questions from Hendon
Do I need planning permission for secondary glazing in Hendon?
Hendon's Church End is a conservation area, so we check designs with Barnet Council before quoting there; most other replacements need no permission. Secondary glazing is fitted internally, so it does not usually need planning permission or Building Regulations approval, but listed buildings may need listed building consent first.
How soon can you fit secondary glazing in Hendon?
Lead times vary by product and workload — confirmed with your quote.
Does secondary glazing really reduce noise?
It can make a noticeable difference, because the air gap between the original window and the secondary pane helps absorb sound. A wider gap and thicker or acoustic laminated glass generally improve performance. We'll look at your windows and the source of the noise to recommend the most effective setup.
Can I see samples before I decide?
Yes. Our showroom is at Unit G, 1 Anthony Way, London N18 3QT (Mon–Fri 8am–5pm), not far from Hendon. We can also bring samples to your home in Hendon at the free survey.
Secondary glazing we make and fit
New windows now.
Pay over 1–5 years.
Finance on orders from £1,000 over 1–5 years, or our standard terms of 50% / 25% / 25%.
See finance optionsAda Windows Limited is an introducer appointed representative of Ideal Sales Solutions Ltd T/A Ideal4Finance. Ideal Sales Solutions is a credit broker and not a lender (FRN 703401).
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Other services in Hendon
Free quote for secondary glazing in Hendon
Send your requirements and a few photos — our team will come back with a clear, no-obligation price.


