QUALITY WINDOWS AND DOORS WITH UP TO 60% DISCOUNT – ENDS ON 17.06.25
PinnedShould you choose double or triple glazing? What's alu-cladding? Are people able to order windows on their own? (The answer here is yes.) Find answers to all that and more on our blog.
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What do New Windows Cost These Days?
#buyers-guide
Wondering what new windows cost? Find out what you can expect to pay for, plus how to keep costs down.
10 things to know when buying windows
#buyers-guide
Buying new windows can be a daunting task - that is why we have listed ten things you should consider before plunging in.
Why aluminium clad windows are maintenance-free
#materials
Learn about the benefits of choosing aluclad doors and windows to your home. It's the preference of industry insiders for a reason. Minimal maintenance, strong durability.
Everything you Need to Know about Painting Wooden Windows
#diy
Double-check that you have what you need - review our supply list and understand every step to ensure perfect results.
What is g-value?
#knowledge
Don't know what g-value means when talking about windows? We at Klar are experts in the field! Click here to read all about g-value and how it relates to windows.
What Are Double-Glazed Windows?
#glazing
Read our complete guide to double glazed windows and how to find the best ones.
Is Triple-Glazing Worth It?
#glazing
If you're wondering what factors make triple glazing worth it, look no further than our complete pro/con list.
Your comprehensive guide to window and door installation
#howto
About to embark on a DIY home improvement project? We've put together a comprehensive windows and door installation guide to make it easier for you to get started. Be prepared for lots of great advice and information!
Storing Your Newly Bought Windows and Doors: A Guide for Autumn and Winter
In this blog post, we'll guide you on how to store your newly bought windows and doors during the autumn and winter months, using methods that most homeowners can easily implement.
A Buyer’s Guide for What External Doors to Buy
#buyers-guide
Find out which external door types lead the pack in appearance, durability, maintenance and price.
Triple-Glazing vs. Double-Glazing
#glazing
Find out how these two types of windows stack up against each other and how to choose what’s best for you.
What style patio door to choose
#buyers-guide
Patio Doors, Double Frames, Tilt & Turn models and more ! ⇒ Check out the fully customizable options at Klar
Window & Door terminology
#knowledge
Learn about window, door and handle/lock terminology before you buy new windows and doors. It will help you understand some of the names we use.
The importance of proper window insulation
#energy
Target how well a window is sealed and its level of glazing to improve window insulation significantly.
An Overview of Styles of Double-Glazed Windows
#buyers-guide
From casement to tilt-and-turn, uPVC to composite, here is the lowdown on different styles of double glazed windows.
Thinking About Replacing Windows?
#buyers-guide
Whether it's 1, 2, 3 or more windows you're replacing, read about key considerations and how to get a quick quote.
What are Composite Doors?
#buyers-guide
Composite doors – durable, low-maintenance, safe and robust ⇒ Browse the customizable selection at Klar Windows.
Which is Best: Wooden Windows vs. uPVC
#materials
Learn how wooden windows stack up against uPVC when it comes to 7 key homeowner considerations.
When to Replace a Door
#buyers-guide
Need to replace your door? ⇒ Take a look at Klar’s wide selection. With the highest-quality materials and sturdy locks.
Everything you Need to Know about How to Secure Doors
#maintenance
The best tips & tricks for improving door security to protect against unwanted burglaries.
The Best Way to Clean Windows: 5 Tips to Master Window Cleaning
#maintenance
Has your room got duller and gloomier? It may be a sign that your windows need cleaning. Here's 5 tips on how to clean windows inside and out.
The Complete Window Maintenance Guide
#maintenance
All your window maintenance questions answered, from cloudy glass to wood rot and everything in between.
5 good reasons to buy windows and doors in the winter
#knowledge
Replacing windows and doors in winter is easy. You'll be surprised at all the benefits!
Welcome to the new Klar
#knowledge
To make your experience of ordering windows and doors online even better, we have launched our new website. Find out more about what this means for you.
2024 Guidance on What Windows to Buy
#buyers-guide
Then look no further than Klar’s 2024 buyer's guide, outlining all of the most important considerations.
Energy Efficiency of Windows Explained
#energy
How to find the most energy efficient windows to help you save on energy bills.
Save money on heating bills with 3-layer glass
#glass
3-layer glass windows can save you money - and with the latest energy requirements, you should now always choose Energy A windows when replacing your windows for your year-round home.
Why should you choose tilt and turn windows?
#knowledge
The tilt and turn window has many advantages. Due to their minimalist style, tilt and turn windows fit many different types of homes and are therefore always a safe choice.
Can you install windows in winter?
Many people think that you can't install windows and doors when it's snowing or raining, but fortunately this is not the case. You just need to be a bit more calculated, and there are actually advantages to replacing your windows in winter.
A Homeowner’s Handy Front Door Maintenance Guide
#maintenance
For tips on how to care for and service your front door, follow this handy homeowner guide to front door maintenance.
Frequently asked questions
#knowledge
Here you'll find answers to frequently asked questions within the categories: ordering, payment, delivery, measuring and installation, and complaints.
Should new windows have condensation on the inside?
#indoor-climate
Should new windows have condensation inside? ⇒ Contact Klar for all your questions about energy-saving windows
Benefits of Triple-Glazing Defined
#glazing
Wondering whether the benefits of triple glazing outweigh the costs? Find a complete analysis here.
What should you be aware of before, during and after your purchase? Here’s everything you need to know!
#buyers-guide
Buying windows and doors online from Klar should be simple. That's why we're here to give you tips you can use before, during and after your purchase.
What is U-value?
#energy
Wondering about U-value, heat loss and energy-efficient windows? ⇒ Check out Klar’s selection of top-quality windows.
Lisbeth made her dreams come true with a new ceramics workshop
#customers
For a long time, Lisbeth had dreamt of her own ceramics workshop with natural sunlight coming in and a lovely view of nature. Now her dreams have come true!
Do as Mogens: Install your own windows and doors
#customers
Mogens from Denmark has installed his own cottage windows and you can do the same. Learn more about how you can install windows and doors.
Why Choose Energy Saving Windows
#energy
Find out why you should consider switching to energy-saving windows when moving house to reduce your household bills and your carbon footprint.
Scandinavian windows
#knowledge
From outstanding thermal performance to excellent style and design, Klars' Scandinavian windows offer a top notch solution for your home.
Composite doors vs. Alu-clad doors: Which is better?
#materials
Composite doors have caught the eyes of many, but are they the right doors for you? And did you know that aluclad doors are a great and cheaper alternative?
Cills for Scandinavian windows
#diy
Learn how to fit cills to Scandinavian windows. Aluminium, timber hardwood or stone/brick cills can all be used with Klars Scandinavian windows.
Which is Best: Aluminium/Aluclad vs. uPVC Windows
#materials
Take an in-depth look at how these different materials match up in our window buyer's guide.
A How-To Guide for Sealing Wooden Windows
#diy
Everything you need to know about sealing wooden windows, from 5 easy steps to what to avoid.
Choosing your Window Frame Colour
#buyers-guide
Get to know your paint and your paint technology – child-friendly, chemical-free paint à la high-tech spray-painting robots.
Worried about your double glazing?
#maintenance
For all the details on how to test double glazing window performance, read up on signs to watch for and easy self-tests.
DIY with Kim: What is important when renovating older houses?
#customers
Are you into renovations from old into new? Then read about Kim, the contractor and landlord, who's working on renovating an old dairy.
Lene inspires: Create light and contrast with new doors and windows
#customers
With new windows and doors from Klar, Lene now has her dream shed, which is perfect for her needs. Let yourself get inspired here.
A Quick Guide to Adjusting Double Glazed Windows
#knowledge
A simple, step-by-step guide for adjusting your double glazed windows by yourself – without having to call a professional.
Cottage Renovation with Aluclad Cottage Windows
#customers
Junior Sister, Nikki, renovated her cottage home with Klar aluclad cottage windows and an aluminium front door with matching glazing bars.
Noise Reducing Windows
#glazing
A quick run-down on noise reducing windows ⇒ Want more peace & quiet? Check out Klar’s double-glazed windows.
Purchasing guide for windows
#Purchasing-guide
Are you unsure about the process of purchasing windows from Klar? With this purchase guide we want to make the process easier for you by providing clear instructions, helpful tips, and links covering everything you need to know about selecting a window type that suits your needs, as well as how to make a purchase on Klar's user-friendly website.
Contact us
Klar Windows Ltd. Org. number 12164419 90 High Street, Newmarket, CB8 8FE England Phone: +44 08081 649 920
It is not possible to visit us at our address. You can visit our digital showroom here
Opening hours for customer service Monday to Thursday 7.00-15.00. Friday 7:00-14:00.
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