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The Difference
Why Choose Weatherseal?
Here's what changes when you upgrade
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Our Products
Windows And Doors Edinburgh
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 Edinburgh.
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External Doors
Composite, uPVC, bi-fold, patio and French doors with advanced security and a 10-year guarantee. Fitted throughout Edinburgh.
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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 Edinburgh.
Get A Quote →Double Glazing Edinburgh, Weatherseal Windows And Doors
Edinburgh homes take a real battering from the weather. Cold winds off the Forth, damp winters, and those unpredictable summers mean your windows and doors are under constant pressure. If you're noticing draughts creeping in around the frames, condensation pooling on the glass, heating bills that seem to climb every year, or locks that feel less than solid, your glazing is probably due an upgrade.
Solving Draughts and Heat Loss
Old single glazed or tired double glazing windows lose heat fast. The gap around worn frames lets cold air straight into your living room, and no amount of turning the thermostat up will properly fix that. New double glazing creates a much tighter seal against the frame, keeping the warmth you've paid for inside your home where it belongs.
Our double glazed units are rated to A or A+ energy efficiency, which means the glass itself is doing real work to retain heat. The sealed unit traps an insulating layer of argon gas between the panes, slowing heat transfer significantly. For Edinburgh homeowners dealing with draughty Victorian or Edwardian properties, this can make a noticeable difference to how comfortable your rooms feel day to day.
uPVC frames are a popular choice because they don't warp, rot, or let moisture seep in the way older timber frames do. If you prefer the look of timber, our timber effect uPVC gives you that traditional Edinburgh townhouse appearance without the maintenance headaches. Either way, the result is a window that fits correctly and stays that way.
Dealing With Condensation
Condensation on the inside of your glass is a sign the unit has failed. Once the seal breaks down, moisture gets between the panes and you end up with that permanent foggy look that no amount of cleaning will shift. Replacing the unit sorts it straight away.
New double glazing windows use warm edge spacer bars around the perimeter of the sealed unit. These reduce the cold edge effect that causes condensation to form, especially in colder months. Combined with properly fitted frames, it makes a real difference to rooms that have always felt damp or cold.
Getting on top of condensation also helps protect your walls, window sills, and surrounding plasterwork. Damp caused by failing windows can lead to mould growth over time, so sorting the glazing early saves you further problems down the line.
Better Security for Your Home
A lot of older windows in Edinburgh still have basic locks that offer very little resistance. If you can open a window from outside with minimal effort, so can someone who shouldn't be there. Modern window replacement brings a significant improvement in locking systems as standard.
Our windows come fitted with multi-point locking as standard, meaning the frame locks at several points along the sash rather than just one. This makes forcing the window open much harder. Door locks include anti-snap, anti-drill, and anti-pick cylinders, which meet current insurance requirements and give your front and back doors a proper level of protection.
The glass itself can also be upgraded to laminated or toughened safety glass where required. This is particularly useful for ground floor windows or glazed door panels. It won't shatter the same way standard glass does, which adds another layer of resistance to an attempted break-in.
Our Fitting Team and Timescales
Weatherseal Windows And Doors works across Edinburgh and the surrounding areas, with an installation team that takes the job seriously. Most standard window replacement jobs on a typical Edinburgh home are completed within a day or two, depending on the number of windows and any specific requirements around older or listed properties. We keep disruption to a minimum and leave your home clean and tidy when we're done.
Our window installers are experienced across a wide range of property types, from modern new builds to stone built terraces in areas like Morningside, Leith, and Portobello. If your home has any particular quirks around frame sizes or access, we'll discuss that with you before work starts so there are no surprises on the day.
Our 10 Year Guarantee
Every installation carried out by Weatherseal Windows And Doors comes with a 10 year guarantee covering both the products and the workmanship. That means if anything fails with the sealed units, the frames, or the hardware within that period, we come back and sort it. No quibbling, no passing the blame between manufacturers and fitters. You deal with us directly.
This guarantee applies to all our double glazing, doors, and composite door installations across Edinburgh. It's backed in writing, so you have something solid to rely on rather than just a verbal promise.
If your windows are letting you down, get in touch with us today. Call 0800 773 4907 and speak to someone who can give you a straightforward quote for new windows and doors in Edinburgh. No pressure, no obligation, just honest advice about what your home actually needs.