Sash & Case Window Upgrade
Sash & Case Window Upgrade

Double Glazing Upgrade

We manufacture and install identical sashes with high performance, energy efficient double glazed glass into your existing casement. This option fully complies with planning, local council and heritage requirements. The benefits include energy efficiency reduced heating costs, additional security whilst adding significant value to your home.
  • during an upgrade your case receives the same treatment as a restoration, including new external sand mastic and upgraded pulley wheels. We replace rotting or damaged timber to your casement if required.
  • once the new sashes are hung inside your casement, and operating smoothly, we install specially run parting beads and baton rods with draught excluding brush strip. We also run the brush strip into the mid-rails and underside of the sashes.
  • all windows come with a range of period ironmongery in your choice of finish.

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