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The Difference
Why Choose Weatherseal?
Here's what changes when you upgrade
5 Star Reviews
Hundreds of 5-star reviews from happy customers
Saved On Energy Bills
A+ rated windows keep heat in, meaning your energy bills drop
Energy Rating
Every window we fit comes with the highest energy rating as standard
Save Up To
Save up to 50% off new windows and doors with our current sale
Our Products
Windows And Doors Lothian
Choose from our range of windows, doors and conservatories

uPVC Windows
A+ rated, energy-efficient double and triple glazed uPVC windows with a 10-year guarantee. Supply and fit throughout Lothian.
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External Doors
Composite, uPVC, bi-fold, patio and French doors with advanced security and a 10-year guarantee. Fitted throughout Lothian.
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Patio & French Doors
Stylish patio and French doors to bring light into your home with secure multi-point locking and a 10-year guarantee. Fitted throughout Lothian.
Get A Quote →Double Glazing Lothian, Weatherseal Windows And Doors
If your home in Lothian is losing heat through old or poorly fitted windows, it makes a real difference to your bills and your comfort. Weatherseal Windows And Doors supplies and installs double glazing across Lothian, and our focus is on getting the details right, from the glass unit itself right through to the finish around the frame.
Every window we install uses argon gas filled units, which hold heat in far more effectively than standard air filled glass. Our double glazing windows carry an A+ energy rating, which is the highest grade available for thermal performance. The frames are uPVC or aluminium, both of which need nothing more than an occasional wipe down to keep them looking good for years. On the security side, your windows come fitted with multi point locking as standard, along with reinforced frames and toughened or laminated glass options where needed.
Windows and Doors Available in Lothian
We supply a wide range of products to suit different property types across Lothian, from traditional stone built homes to newer builds. Here is what we can install for you:
- Casement windows - the most popular choice for most homes, available in a full range of colours and finishes
- Sash windows - a good match for period properties, built with the same high performance glass units
- Tilt and turn windows - practical for upper floor rooms where access for cleaning matters
- Bay and bow windows - adds space and light to front rooms without major building work
- Composite doors - solid, secure, and well insulated, available in a wide choice of styles and colours
- French doors and patio doors - brings more light into your living space and connects your home to the garden
- Bi-fold doors - a great fit for rear extensions and open plan spaces
How We Carry Out Your Installation
Most window replacement jobs in a standard property take one to two days to complete. Our fitting team works cleanly and tidily, protecting your floors and clearing away all packaging and old frames before they leave. Before any work starts, we measure everything carefully on site so that each unit fits exactly as it should. There is no rushed approach here. We take the time to make sure frames are properly sealed and levelled, because a poorly fitted window loses much of its thermal and acoustic benefit straight away.
Your Guarantee and Insurance Cover
All of our installations come with a 10 year guarantee covering both the product and the workmanship. On top of that, every installation is backed by deposit protection insurance, so your money is protected from the moment you book. You get written confirmation of both before any work begins, so everything is clear from the start.
Why Lothian Homeowners Get in Touch With Us
A lot of people in Lothian come to us after dealing with window companies that overpromised and underdelivered. We do not do high pressure sales or inflated quotes designed to be knocked down. You get a straightforward price, a clear explanation of what is included, and fitters who treat your home with respect. New windows are a significant investment in your property, and we think the experience of buying them should feel straightforward rather than stressful. From your first call to the final tidy up, we keep things simple and honest.
To find out more about our double glazing in Lothian or to arrange a free, no obligation quote, call us today on 0800 773 4907. We are happy to talk through your options before you commit to anything.