At Safeseal Frames, based on the outskirts of Cambridge, we're committed to enhancing the comfort, energy efficiency, and aesthetic appeal of your home with our top-tier window replacement services. Understanding the crucial role windows play in your living environment, we offer tailored solutions that perfectly complement your home's unique style and character.

Our team, known for its meticulous attention to detail and unwavering focus on customer satisfaction, ensures a professional and seamless experience from start to finish. Whether you're looking to upgrade your existing windows or embark on a new installation project, Safeseal Frames is your trusted partner in Cambridge, ready to transform your vision into reality.

Continue reading to explore how our window replacement services can elevate the beauty and functionality of your home, right here in Cambridge.


When considering window replacement, one of the key factors to evaluate is the longevity of the windows based on their material. Generally, windows are a long-term investment, and their lifespan can vary significantly depending on the type of material used. uPVC windows are known for their durability and low maintenance, typically lasting around 20-25 years. Timber windows, while requiring more upkeep, can last even longer, especially when regularly maintained, with a lifespan that can extend beyond 30 years. Aluminium windows are renowned for their strength and can last up to 40 years due to their resistance to corrosion and robust nature. It's important to note that these lifespans can be influenced by factors such as environmental conditions, quality of installation, and maintenance practices.

Material Estimated Lifespan Notes
uPVC 20-25 years Requires minimal maintenance; highly durable against various weather conditions.
Timber 30+ years Lifespan can extend with regular maintenance; ideal for traditional aesthetics.
Aluminium 30-40 years Known for its strength and durability; requires minimal upkeep.


Recognizing when your windows need replacing is key to maintaining the comfort, energy efficiency, and security of your home. Here are some telltale signs that it might be time to consider window replacement:

  • Drafts and Temperature Fluctuations: If you feel a breeze or cold drafts coming from your windows, even when they are closed, it's a sign of poor insulation. This can lead to significant energy loss and discomfort in your home.
  • Difficulty in Operation: Windows that are challenging to open, close, or lock are not just an inconvenience but also a security risk. Difficulty in operation can be due to warping, rusting, or general wear and tear over time.
  • Condensation Between Panes: Double-glazed windows showing condensation or fogging between the panes indicate a failed seal. This compromises the window's insulating properties and reduces its energy efficiency.
  • Visible Damage or Decay: Signs of rot, mold, or decay, especially in timber windows, or visible cracks and chips in the glass, are clear indicators that your windows need attention. Such damage can worsen over time if not addressed.
  • Increased Noise Levels: If outside noise seems louder than usual, it could be due to the windows' diminished ability to insulate your home from external sounds, indicating a reduction in their overall efficiency.
  • Higher Energy Bills: An unexplained increase in your heating or cooling bills can often be traced back to inefficient windows. As windows age, they can become less effective at keeping your home insulated from external temperatures.
  • Aesthetic Deterioration: Faded, outdated, or unsightly windows can detract from your home's overall appearance and curb appeal. Upgrading to new windows can refresh the look of your home.

If you're experiencing any of these issues, it might be time to consider replacing your windows. New windows can not only resolve these problems but also add value to your home, enhance its appearance, and improve energy efficiency. At Safeseal, we offer a range of window replacement options to suit your specific needs and preferences.


When it comes to window replacement, selecting the right material is crucial for both the aesthetics and functionality of your home. Each material offers unique benefits and can significantly impact the overall comfort, energy efficiency, and appearance of your property. Here’s a breakdown of the most popular window materials to help you make an informed decision:

  • UPVC Windows Cambridge

    UPVC Windows

    • Durability and Low Maintenance: uPVC windows are renowned for their durability and require minimal maintenance. They do not warp, rot, or need repainting, making them a practical choice for busy homeowners.
    • Energy Efficiency: With excellent insulation properties, uPVC windows can help reduce your energy bills by keeping your home warmer in winter and cooler in summer.
    • Cost-Effective:Typically more affordable than other materials, uPVC offers a budget-friendly option without compromising on quality or performance.
  • UPVC Doors Cambridge

    Timber Windows

    • Natural Aesthetics: Timber windows offer a classic, timeless look that adds character and warmth to any home. They are particularly suited to traditional properties or conservation areas.
    • Eco-Friendly: Being a natural material, wood is an environmentally friendly choice and can be sustainably sourced.
    • Customisable: Timber windows can be painted or stained in a variety of colors, allowing for greater customization to match your home’s style.
  • Conservatories Cambridge

    Aluminium Windows:

    • Modern and Sleek: Aluminium windows are known for their sleek, modern design. Their slim frames allow for larger glass areas, maximizing natural light.
    • Strength and Durability: Aluminium is a strong material that can withstand harsh weather conditions, making it a long-lasting choice.
    • Energy Efficiency: Modern aluminium windows come with thermal breaks to prevent heat loss, making them much more energy-efficient than older aluminium designs.

uPVC Windows

Safeseal's uPVC windows are celebrated for their exceptional security and energy efficiency. They are designed to be virtually maintenance-free, as uPVC will never rot, rust, or flake. With options for high-rated glazing, these windows represent the pinnacle of thermal efficiency and security in the Safeseal range.

Offering a wide range of colors and finishes, Safeseal's uPVC windows provide versatility to match various architectural styles. Whether you prefer a traditional look or a modern aesthetic, there's a uPVC window to suit your taste.

These windows are built to last, ensuring that homeowners enjoy their benefits for many years. The robustness of uPVC makes it an ideal choice for various climatic conditions.

Timber Windows

Safeseal's timber windows are crafted from sustainably sourced hardwood or softwood, laminated for extra strength. The natural beauty of wood adds a classic and warm touch to any home, making them perfect for period and listed properties.

The finishes protect the timber windows from the elements, ensuring they maintain their aesthetic appeal for years. Regular maintenance can extend their lifespan significantly, making them a worthwhile investment for those who appreciate the natural charm of wood.

Timber windows offer the unique advantage of being customizable with different paint or stain finishes. This flexibility allows homeowners to change the appearance of their windows over time, adapting to new styles or personal preferences.

Aluminium Windows

Safeseal's aluminium windows add a contemporary flair to any property, thanks to their slim profile and modern color range. The strength of aluminium allows for thinner frames and larger glass areas, enhancing natural light in your home.

These windows require very little maintenance and are extremely weatherproof. Aluminium's natural resistance to corrosion means that the frames will not rot, flake, or rust, making them a durable choice for any environment.

Recent advancements have significantly enhanced the energy efficiency of aluminium windows. They can now achieve high energy ratings, making them a viable option for energy-conscious homeowners.


Choosing the right style for your windows is crucial in defining the character and functionality of your home. Each style offers unique benefits and aesthetic appeal. Here are some popular window styles to consider:

Casement Windows

  • Description: Hinged on the side, casement windows open outward like a door. They offer excellent ventilation and are easy to operate.
  • Best For: Versatility in design makes them suitable for most types of homes. They provide a clear view and can be tailored in various sizes.

Sash Windows

  • Description: Hinged on the side, casement windows open outward like a door. They offer excellent ventilation and are easy to operate.
  • Best For: Versatility in design makes them suitable for most types of homes. They provide a clear view and can be tailored in various sizes.

Tilt and Turn Windows

  • Description: These windows can both tilt inwards at the top for ventilation and swing in like a door for easy cleaning.
  • Best For: Great for high-rise buildings or where an inward opening is beneficial. They offer excellent ventilation and are user-friendly.

Bay and Bow Windows

  • Description: Bay windows are angular, typically with three panes, while bow windows are curved, creating a rounded appearance on the exterior.
  • Best For: Perfect for adding extra space and light to a room. They suit both traditional and modern homes, offering panoramic views.

Energy Efficiency and Glazing Options

In today's world, energy efficiency is not just a buzzword but a crucial factor in choosing the right windows for your home. Efficient glazing reduces energy bills, minimizes environmental impact, and enhances indoor comfort. Here’s what you need to know about glazing options:

Double Glazing

  • Features: Consists of two glass panes with a space between them, usually filled with an inert gas like argon. This setup provides a good barrier against heat loss.
  • Benefits: Improves thermal insulation, reduces noise pollution, and enhances security. It's a standard choice for most homes, balancing cost and performance.

Triple Glazing Glazing

  • Features: Similar to double glazing but with an additional glass pane. The extra layer offers enhanced insulation.
  • Benefits: Offers superior energy efficiency, better noise reduction, and increased property value. Ideal for extremely cold climates or homes in noisy areas.

Choosing the Right Glazing for Your Home

The choice between double and triple glazing depends on several factors, including your local climate, home’s insulation, and budget. While triple glazing offers the highest energy efficiency, double glazing is sufficient for most homes and provides significant energy savings compared to single-pane windows.

Feature Double Glazing Triple Glazing
Number of Panes 2 3
Insulation Good Excellent
Energy Efficiency High Higher
Noise Reduction Moderate Superior
Cost More affordable Generally higher
Best for Standard climates Cold or noisy climates

Remember, the right glazing not only contributes to reducing your carbon footprint but also enhances the overall comfort of your living space. At Safeseal, we offer both double and triple glazing options, and our experts can guide you in choosing the most suitable one for your home.

Cost Considerations and Budgeting for Window Replacement

Replacing windows in your home is a significant investment that can enhance both the aesthetics and energy efficiency of your property. Understanding the costs involved is crucial for effective budgeting. The price of new windows varies depending on several factors:

Average Cost of Replacing Windows in the UK

Here's a rough guide to the average costs you can expect for different types of windows:

  • Material of the Frame: The cost can vary significantly based on the material you choose. uPVC, timber, and aluminium each have different price points, with timber generally being the most expensive due to its longevity and aesthetic appeal.
  • Type of Window: The style of the window (such as sash, casement, or bay windows) also affects the cost. More complex designs like bay windows tend to be more expensive.
  • Size and Number of Windows: Larger windows and a higher number of windows will increase the overall cost.
  • Installation Complexity: The cost of installation can vary based on the complexity of the job, especially in older homes or properties with unique architectural features.
Type of Window Average Cost (GBP)
Sash Windows £1,300
Timber Casement Window £925
Timber Sash Window £1,490
Aluminium Window £475
UPVC Window £350
Bay Window £2,000

Remember, investing in quality windows not only improves the look and feel of your home but also contributes to energy savings in the long run.



Before you begin the installation or replacement process, thoroughly assess your existing windows. Consider factors like the window style, size, and the condition of the surrounding wall. Decide on the type of liniar profile window that suits your home's aesthetic and energy efficiency needs. Create a detailed plan that includes measurements, quantities, and a budget.


Factors to consider include the frame profile (e.g., casement, or flush), glazing options (e.g., double glazing, or triple glazing), and the window style (e.g., casement, sliding, or tilt and turn). As we manufacturer all of our own upvc windows, high-quality and energy-efficient windows are guranteed.


For window replacements, the first step is to carefully remove the old windows. This involves removing the window sashes and frames. Take caution during this step to avoid damaging the surrounding wall or the interior finishes.


Ensure the opening where the new liniar profile window will be installed is clean and free from any debris. If necessary, make adjustments to the opening size to accommodate the new window.


Carefully place the new liniar profile window into the prepared opening. Secure it in place using shims and screws. Ensure the window is level, plumb, and square, which is crucial for proper functionality and aesthetics.


Apply a weather-resistant barrier, such as flashing or sealant, to the exterior side of the window. This helps prevent water infiltration and ensures the longevity of the window.


Use appropriate insulation materials to fill any gaps around the window frame. This helps improve energy efficiency and reduces drafts. Seal the interior side of the window with caulk to provide an airtight seal.


Install interior and exterior trim to give the window a finished appearance. The trim also helps cover any gaps and provides additional protection against the elements.


Install any hardware and accessories, such as handles, locks, and window coverings, to complete the window installation.


Conduct a thorough inspection to ensure the window is properly installed and functions as expected. Test the window's operation, locks, and seals to confirm everything is in order.


  • Professional Installation: While some homeowners may opt for a DIY approach, hiring a professional window installer is recommended. Their expertise ensures the windows are correctly installed, minimizing the risk of issues down the line.
  • Energy Efficiency: When selecting liniar profile windows, pay attention to their energy performance ratings. Look for windows with low U-values and high solar heat gain coefficients (SHGC) for better energy efficiency.
  • Local Building Codes: Ensure compliance with local building codes and regulations. Permits may be required for window installation or replacement, and non-compliance can lead to costly complications.
  • Quality Materials: Invest in high-quality windows and installation materials. Choosing the cheapest options may lead to subpar results and higher long-term maintenance costs.
  • Maintenance and Cleaning: Learn about the specific maintenance requirements for your liniar profile windows and follow a regular cleaning schedule to keep them looking and performing their best.


  • Is window replacement worth the cost?

    Window replacement can be a significant investment, but it's often worth the cost considering the long-term benefits. New windows from Safeseal not only enhance the aesthetic appeal of your home but also improve energy efficiency, leading to lower heating and cooling costs. Additionally, they increase your property's value and provide better security and noise insulation.

  • Should I replace all windows at once?

    While replacing all windows at once ensures uniformity and can enhance the overall energy efficiency of your home, it's not always necessary. At Safeseal, we understand that budget constraints may require phased replacements. You can choose to replace windows in stages, focusing first on the ones that are most deteriorated or least efficient.

  • Can I just replace the glass in my windows?

    In some cases, replacing just the glass is possible, especially if the frames are still in good condition. Safeseal offers glass replacement services that can upgrade your windows to more energy-efficient glazing without the need for a full frame replacement. However, if the frames are damaged or outdated, a complete window replacement might be more beneficial.


We will contact you within one business day.

  • Phone:
    01223 881 748

  • Unit 5, Station Yard
    Wilbraham Road, Fulbourn
    Cambridgeshire, CB21 5ET

About Us

Founded by Phill Pluck back in 2000. Safeseal has estabilished itself as one of the greatest and prestigious providers of upvc windows, upvc doors, conservatories and facia in the cambridgeshire area.

Contact Us

Safeseal Frames Ltd:Your local Cambridge Window Company

Registered Office: 5 Station Yard Wilbraham Road, Fulbourn, Cambridge, England, CB21 5ET

Registered Company No: 08359713

VAT No: 155371804

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