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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.
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.
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.
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.
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.
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.
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.
The Complete Window Maintenance Guide
#maintenance
All your window maintenance questions answered, from cloudy glass to wood rot and everything in between.
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.
Which is Best: Wooden Windows vs. uPVC
#materials
Learn how wooden windows stack up against uPVC when it comes to 7 key homeowner considerations.
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.
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.
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!
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 is U-value?
#energy
Wondering about U-value, heat loss and energy-efficient windows? ⇒ Check out Klar’s selection of top-quality windows.
2026 Guidance on What Windows to Buy
#buyers-guide
Then look no further than Klar’s 2026 buyer's guide, outlining all of the most important considerations.
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.
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.
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
What are Composite Doors?
#buyers-guide
Composite doors – durable, low-maintenance, safe and robust ⇒ Browse the customizable selection at Klar Windows.
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
The importance of proper window insulation
#energy
Improve your window insulation by checking how well they are sealed and how many layers of glass they have. Read our guide to proper window insulation here.
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.
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?
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.
A Homeowners Guide: How to Paint your Front Door
#diy
From colour theory to 7 simple steps – Klar’s guide to everything you need to know about how to paint your front door.
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.
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.
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 Are Double-Glazed Windows?
#glazing
Read our complete guide to double glazed windows and how to find the best ones.
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.
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!
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.
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.
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.
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.
Everything you Need to Know about How to Secure Doors
#maintenance
The best tips & tricks for improving door security to protect against unwanted burglaries.
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.
Energy Efficiency of Windows Explained
#energy
How to find the most energy efficient windows to help you save on energy bills.
Frequently asked questions
#knowledge
Here you'll find answers to frequently asked questions within the categories: ordering, payment, delivery, measuring and installation, and complaints.
Benefits of Triple-Glazing Defined
#glazing
Wondering whether the benefits of triple glazing outweigh the costs? Find a complete analysis here.
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!
It's easy to measure windows → Here's how!
#howto
Measuring your windows is much easier than you think. Here's 6 tips and a video guide to help you. Learn how to measure correctly in just a few minutes.
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.
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.
Noise Reducing Windows
#glazing
A quick run-down on noise reducing windows ⇒ Want more peace & quiet? Check out Klar’s double-glazed windows.
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–Thursday: 08:00–15:00 Friday: 08:00–14:00
Email: hello@klarhome.co.uk Phone: +44 08081 649 920
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