What to Expect During a Window Installation

5 min read Windows

Replacing your windows is one of the best ways to improve your home’s comfort, energy efficiency and appearance, but if you’ve never had new windows installed before, you may be wondering what the process actually involves.

At Sheerwater Glass, we know that having work carried out in your home can feel like a big undertaking. That’s why we aim to make every installation as straightforward and stress-free as possible, keeping you informed from your first enquiry through to the final handover.

Here’s what you can expect before, during and after a professional window installation.

Step 1: Your Free Initial Quote

Every project starts with a conversation.

Whether you’ve already decided which windows you’d like or you’re still exploring your options, our experienced team will take the time to understand your property, your priorities and your budget.

One of our team would be happy to have a chat with you about your requirements, answer any unanswered questions and measure up at a time that suits you to provide you a free, no obligation quote.

Step 2: Choosing the Right Windows

Once we’ve had our initial conversation, we’ll help you select the products that best suit your home. Depending on your property and personal preferences, this may include choosing between:

Our approach is always to provide honest, practical advice rather than high-pressure sales, helping you make an informed decision with confidence.

If you’d like to compare products in person, you’re always welcome to visit our Guildford showroom.

Showroom double glazed Windows

Step 3: Accurate Measuring and Manufacturing

Once your order has been confirmed, detailed measurements are used to manufacture your windows to the exact specification of your home.

Precision at this stage is crucial.

Every opening is slightly different, particularly in older properties, and accurate manufacturing helps ensure:

  • A precise fit
  • Smooth installation
  • Excellent weatherproofing
  • Long-term performance

Taking the time to get this stage right helps prevent issues later in the installation process.

Step 4: Preparing for Installation Day

Before installation day arrives, we’ll confirm the date with you and explain anything you need to do in advance.

In most cases, we simply recommend:

  • Moving furniture away from the windows where possible
  • Removing curtains or blinds if practical
  • Clearing ornaments or valuables from window sills
  • Ensuring our installers have easy access to the work areas

Our team will always treat your home with care and do everything possible to minimise disruption throughout the installation.

uPVC Slimline Windows with Lead Bars

Step 5: Removing Your Existing Windows

On installation day, our experienced installers will carefully remove your existing windows.

This is done with care to minimise disturbance to surrounding plasterwork, brickwork and internal finishes wherever possible.

Once the old frames have been removed, the opening is thoroughly checked to ensure it’s ready for the new installation.

If any minor issues are identified, they’ll be addressed before fitting begins to ensure the best possible result.

Step 6: Installing Your New Windows

The new windows are then carefully positioned, levelled and securely fixed into place.

Professional installation is about much more than simply fitting a frame.

Our experienced installers ensure every window is:

  • Perfectly level
  • Correctly aligned
  • Securely fixed
  • Properly insulated
  • Fully weather sealed

Taking the time to achieve precise alignment helps ensure your windows operate smoothly while delivering maximum energy efficiency and security.

Step 7: Finishing the Installation

Once the windows have been fitted, attention turns to the finishing details.

This includes:

  • Applying neat internal and external sealants
  • Fitting trims where required
  • Adjusting hinges and locks
  • Checking smooth operation
  • Cleaning the new windows

It’s these finishing touches that help create a professional result that looks every bit as good as it performs.

Person cleaning a window with a cloth

Step 8: Responsible Removal of Old Materials

A professional installation doesn’t end when the new windows are in place.

At Sheerwater Glass, we also ensure your old windows, glass and associated materials are removed from site responsibly.

As a registered Upper Tier Waste Carrier, Broker and Dealer, we’re authorised to transport and manage waste in accordance with UK environmental regulations.

Wherever possible, materials are recycled through the appropriate channels, helping reduce waste and minimise environmental impact.

Step 9: Final Checks and Handover

Before leaving your property, our installation team carries out a series of final checks to ensure everything is working exactly as it should.

We’ll demonstrate how your new windows operate, answer any questions you may have and make sure you’re completely satisfied with the installation.

Only once we’re happy everything meets our high standards do we consider the project complete.

A Smooth Process from Start to Finish

Replacing your windows doesn’t have to be stressful.

With the right team, the process is straightforward, well organised and focused on delivering the best possible result for your home.

At Sheerwater Glass, we’re proud to guide our customers through every stage of the journey, from the initial survey to the finished installation and beyond.

If you’re planning a window installation in Surrey, get your free quote today. Our experienced team will explain every step of the process and help you choose the right windows for your home with complete confidence.

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Get A Quote

One of our team would be happy to have a chat with you about your requirements, answer any unanswered questions and measure up at a time that suits you to provide you a free, no obligation quote.

Get A Quote
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Our customers say

“Extremely knowledgeable and helpful, who knew there was so many options for a front door! In any case we found these guys and girls really straightforward to deal with, helpful and overall nice people.”Francesca East
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Areas we cover

Sheerwater Glass provides window installation and repairs throughout Surrey and the surrounding areas of our new Guildford showroom as well as Woking. If you’re interested in our services, we encourage you to check if we serve customers in your area by simply typing in your postcode.

If you check and find that we don’t serve customers in your area, in some cases, we may be able to help. Please call us to find out more.

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