Hinged and side-opening casement windows are matched with hinged or lift-out secondary glazing that swings clear for ventilation and cleaning. It's the simplest way to insulate and quieten casement windows in flats, period homes and offices without replacing them.
Our casement secondary glazing are made to measure for casement windows in flats, period homes and offices, built in hinged or lift-out internal glazing and fitted by experienced, directly-employed installers. The result is quiet, warm casements with easy access behind — and a finish that lasts. Every job starts with a free, no-obligation survey so the measurements, spec and price are right before anything is ordered.
We offer side-hinged and removable casement panels, with a wide range of colours, glazing and hardware so your casement secondary glazing suit the age and style of your property. At survey we talk through the options and recommend the best specification for your budget, your exposure and the look you want.
It's simple: request a quote, we survey and measure for free, you receive a fixed itemised price, then we manufacture your casement secondary glazing to size and fit them on an agreed date — leaving everything clean and working perfectly, with minimal disruption.
From first call to fitted in four straightforward steps — clear pricing and no sales pressure.
Call us or send the form with a few details about your project.
We visit, measure precisely and talk through your options — no pressure.
You receive a clear, itemised quote. Spread the cost with finance if you wish.
We make to measure and install on an agreed date, leaving everything spotless.
The secondary panel is hinged (or lifts out completely), so you swing or remove it to reach the original casement for ventilation and cleaning, then close it back for insulation and quiet.
The price of casement secondary glazing depends on size, material, glazing spec and how many you need, so we give a fixed, itemised quote after a free survey — no pressure and no hidden extras. Ask about interest-free finance to spread the cost.
Most casement secondary glazing installations take from a single day to a few days depending on quantity and access. We confirm exact lead times and the fitting date in writing before work starts, and tidy up fully on completion.
Yes — our casement secondary glazing come with a comprehensive insurance-backed guarantee covering both the products and our installation, so you're protected for years after the work is done.
We supply and fit casement secondary glazing across the whole of the UK, including Brighton, Sheffield and surrounding towns. Enter your postcode in the form and we'll confirm your local survey slot.
Book your free home survey today. Fixed prices, expert fitting and a 10-year guarantee — right across the UK.