Timber Sliding Patio Doors in Surrey

Turning the handle lifts the sash off its seals onto rollers, so it glides. Releasing it drops the sash back down and compresses the seals, which is why it holds weather far better than a simple slider.

Often. Conservation area status can remove permitted development rights for front elevations, and Article 4 directions tighten it further. Check with the local planning authority before ordering.

Slim-profile units down to around 11mm can, and they are frequently accepted where a chunky modern unit would not be. Some listed buildings still require single glazing.

A three-panel door with a wide glazed head, often leaded in a sunburst or geometric pattern. The glazed area is proportionally larger than on a Victorian door.

Sealed units in a range of obscure, etched, leaded and clear finishes, bedded and beaded from the inside so the glass cannot be removed from outside.

A modern insulated timber door with a sealed unit performs comparably to composite alternatives, and timber itself is a far poorer conductor than aluminium or steel.