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Save Up To 50% Off10-Year GuaranteeBest Price PromiseExcellent ReviewsA+ Energy Rated5 Star Rated

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Save Up To 50% Off10-Year GuaranteeBest Price PromiseExcellent ReviewsA+ Energy Rated5 Star Rated

Why Choose Our uPVC Windows

Here's what changes when you upgrade

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5 Star Reviews

Hundreds of 5-star reviews from happy customers

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Saved On Energy Bills

A+ rated windows keep heat in, meaning your energy bills drop

A+ Rated

Energy Rating

Every window we fit comes with the highest energy rating as standard

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uPVC Window Styles We Install

Choose from our range of A+ rated uPVC windows

Tilt and Turn WindowsFrom £499

Tilt & Turn Windows

Versatile uPVC two way opening. Ideal for upper floors, tilts inward for ventilation and turns fully open for easy cleaning.

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Casement WindowsFrom £449

Casement Windows

The classic uPVC window style. Easy to clean, excellent ventilation, and available in a wide range of finishes to suit any property.

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Double Glazed WindowsFrom £429

Double Glazed Windows

The most popular uPVC window choice for homeowners. A+ energy rated, reduces heating bills, and adds value to your property.

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uPVC Windows Lothian, Get A Quote

Plenty of homes across Lothian are still running on windows that are well past their best. Cold patches near the glass, condensation building up on the inside pane, heating that seems to vanish overnight, locks that feel flimsy. These are not minor inconveniences. Over time, poor windows cost you real money and make your home feel less comfortable than it should be.

Solving Draughts and Heat Loss

A draught coming in around an old window frame is a sign the seal has gone. Once that happens, no amount of adjusting will fix it properly. The frame itself may have warped, the glazing unit could be failing, or the original installation was just never up to scratch.

New uPVC windows from Lothian Windows And Doors are fitted with double glazed units as standard, filled with argon gas between the panes. Argon is denser than air, which slows heat transfer significantly. Your heating stays in the room where it belongs rather than conducting straight out through the glass.

All of our double glazed windows carry an A energy rating, which reflects genuine performance rather than a marketing claim. For homes where heat loss is a serious issue, we also supply triple glazed units, adding a third pane and a second argon filled cavity for even greater thermal performance. The uPVC frames themselves are multi-chambered internally, which adds another layer of insulation around the edge of the glass.

Tackling Condensation Between the Panes

Condensation on the outside of your windows on a cold morning is normal and not something to worry about. Condensation appearing between the two panes of glass is a different matter entirely. That moisture is sitting inside a sealed unit that has failed, and no amount of cleaning will remove it.

Failed sealed units are one of the most common reasons homeowners in Lothian contact us. Once the seal goes, the argon gas escapes and the insulating performance drops sharply. Replacing the whole window rather than just the glass unit means you get a properly fitted frame with a new guarantee behind it, not a short-term patch on an ageing structure.

Our uPVC frames are guaranteed not to rot, peel, discolour, or warp. There is no painting required, no treating, and no seasonal swelling that jams a frame shut in summer. A wipe down with a damp cloth is genuinely all they need.

Better Security for Your Home

Older single glazed windows, or even early double glazing from the 1990s, were not built with modern security standards in mind. The locks were basic, the frames could be forced without much effort, and the glass itself offered little resistance.

Every window we fit comes with multi-point locking as standard. Rather than a single latch point, the lock engages at several points along the frame simultaneously, making it far harder to force open. The handles are key lockable, adding another layer of control, particularly useful if you have young children at home.

The glass in our units is toughened where required and can be upgraded to laminated glass on request, which holds together rather than shattering if it is struck. Combined with robust uPVC frames that resist physical pressure, you end up with a window that is a genuine deterrent rather than an easy point of entry.

Our Fitting Team and How Long It Takes

All of our fitters are fully qualified and experienced working across Lothian and the surrounding areas. We do not use subcontractors on your job. The same team that surveys your property will be the team that installs your windows, which means nothing gets lost in translation and the finish is consistent throughout.

Most standard window replacements are completed within a single day. Larger properties or more complex installations may run to two days, but we will always give you a clear timeframe before any work begins. Your home is not left exposed overnight and we clear up fully at the end of each day on site.

We work with made to measure uPVC profiles, so every window is manufactured specifically for your opening. There is no trimming to fit, no filler to hide gaps, just a clean, accurate installation that sits properly in the reveal from day one.

Your 10 Year Guarantee

Every window we supply and install comes backed by a 10 year guarantee. That covers the frames, the sealed units, and the hardware. If anything fails within that period due to a manufacturing fault or installation issue, we come back and put it right at no cost to you.

uPVC as a material is built to last well beyond that guarantee period. It does not absorb moisture, it does not corrode, and UV exposure does not cause the kind of deterioration you would see in timber. Choosing uPVC is a long-term decision that pays back in reduced maintenance costs year after year.

Get a Free Quote Today

If your windows are causing problems or simply look like they have seen better days, give us a call. Lothian Windows And Doors offers free, no obligation quotes across Lothian and the surrounding areas. Speak to us directly on 01506 674371 and we will arrange a convenient time to come and take a look.

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