Tilt Balanced Vertical Slider Secondary Glazing made to measure for Portland, Dorset. Discreet units with self-supporting panes. Each sash releases and pivots inwards through almost 180° for easy cleaning of the primary window.
Best for: sash windows where you want tilt-in cleaning access.
In Portland, the town has a good stock of period and conservation-area properties where window replacement isn't an option. Secondary glazing adds a discreet, fully reversible second pane inside the existing frame — cutting heat loss by up to 60% and noise by up to 80%, with no building-regulations approval needed.
Prefer to see the whole range for your area? Visit secondary glazing in Portland.
Yes — we make tilt balanced vertical slider to measure for Portland and across Dorset, supply-only or fitted.
It's our recommended unit for sash windows where you want tilt-in cleaning access.
Price depends on size, glass and finish. Our online configurator gives an instant price on standard sizes, or a fast bespoke quote on larger and special units.
Configure your exact windows online in about 60 seconds — instant price on standard sizes, fast bespoke quote on the rest. Supply-only or fully fitted.
Start my instant quote →Or call 0800 088 6341 · email sales@secondarywindowsglazing.com