Capital of Scotland since 1437, Edinburgh is steeped in historic buildings.
A fascinating blend of ancient architecture and modern buildings creates a multi-cultural city that hosts the largest art festival in the world, every year.
Being near the coast and Forth river can be a frontier to bad weather. We can offer solutions and packages to help fight back and protect your windows and doors, along with reducing your home energy bills.
Eco Sash & Case is one of Edinburgh’s leading window and door manufacturers and installers.


Originally established in Edinburgh, Eco Sash & Case has worked in thousands of homes across Edinburgh installing, repairing and maintaining windows and doors.
So whether you are in the Old Town, Leith, Stockbridge, the Canongate, the Grassmarket, the Meadows, Cramond or elsewhere in the city Eco Sash & Case has experience in your area.
Whether you’re in a conservation areas, listed buildings or UNESCO world heritage sites, there is a cobweb of rules and regulations that must be adhered.
Eco Sash and Case have been navigating and working correctly in these areas for many years, which makes us experts in planning, rules and regulations. We take the pressure off and deal with all of the required permits, permissions and consents.
Our Popular Services
Sash & Case Window Repairs
One of Eco Sash & Case’s most popular services is the full repair, restoration, painting and draught-proofing of original sash and case windows.
Wooden sash and case windows play an important role in defining the character of a traditional period home. That’s why Eco Sash & Case will always aim to repair and restore your windows, wherever possible.
Our industry-leading techniques help to eliminate any rot, rattles, draughts, leaks and noise problems. This gives your windows a new lease of life and ensures you have a more comfortable and energy-efficient home, and increases the value of your house.

Double Glazing
Our double glazed upgrade service is designed to radically improve your original sash and case windows and make them more energy efficient at competitive prices.
A typical sash window, double glazing upgrade includes installing slim-fit, Argon gas filled double glazing, 3 coats of exterior paint, new sash ropes and pulleys, draught proofing and Brighton sash locks and ironmongery.

Adding Secondary Glazing to Sash and Casement Windows
Eco Sash & Case can install top quality secondary glazing to your sash and casement windows. Secondary glazing sash windows is perfect for noise reduction, reducing heat loss and controlling condensation. It’s also cheaper to install than sealed double glazed units.
All secondary glazing frames are made from strong aluminium, which means they are both slim and strong. As planning permission is not required, secondary glazing can be an excellent solution for listed buildings.
We can also upgrade your windows with new ironmongery, or even new hardwood or accoya.

New Sash & Case and Casement Windows
Eco Sash & Case can make you bespoke handmade windows in our Edinburgh workshop. We handcraft all our windows to achieve a beautiful, durable finish using responsibly sourced timbers and traditional techniques.
One of our experienced joiners will design the windows in the same style as your old windows, with double or single glazing, replicating your original windows and sash and astragal moulds. Your new sash windows will fit well and look perfect.

Are you looking to improve your homes energy efficiency and curb appeal?
View our services to find out more about how we can help are some of our services we offer: