Trading for over 50 years

Family Run, Friendly Company

Quality Products

Energy Saving Options Available

Find the Right Windows for Your Home

Use the filters below to explore our full range of window styles and materials.

Modern Double Glazing

Modern double glazing can make a home warmer, quieter and more secure. We offer Grantham homeowners a choice of window styles, frame materials, colours and glazing options, all measured for the individual property.

The right specification depends on more than appearance. We will discuss ventilation, thermal performance, security and maintenance before recommending suitable options. This helps you compare the benefits of uPVC and aluminium frames without being pushed towards a standard package.

Once the design is agreed, our team arranges the survey and installation. The new units are fitted carefully and checked before the work is completed. Whether you are upgrading several windows or planning a wider property improvement, you receive clear advice at each stage.

Keeping Grantham’s bays and brickwork in balance

Grantham’s older residential streets contain distinctive combinations of red brick and stone detailing. Around Albion Street, Albion Place and Chambers Street, bay windows are a familiar feature, while North Parade includes three-storey buildings with projecting bays alongside houses with sash windows. These differences give neighbouring properties their own character.

Replacing a window is therefore about more than picking a frame colour. The depth of a bay, the position of the opening lights and the relationship with existing stone lintels all deserve attention. For a home with prominent front windows, a carefully planned design can retain the shape that makes the frontage recognisable while improving everyday comfort. We will help you assess the existing openings before choosing a suitable style.

white bay window on property

Windows for Grantham

Our window range for Grantham homes includes casement, flush casement, sliding sash, tilt and turn, bay and bow designs. This provides options for different openings and property styles, from straightforward replacements to a coordinated change across the whole home.

Every unit is made to measure. You can compare frame colours, finishes, glazing and hardware to create a result that works with the existing building rather than looking like an afterthought.

Replacement Windows Grantham

Older windows may become draughty, difficult to operate or expensive to maintain. Replacing them gives you the opportunity to improve insulation and security while updating the appearance of the property.

We can replace one problem window or plan work in stages, as well as completing larger installations. The survey confirms sizes and specifications before manufacture, helping the fitting process run smoothly and reducing disruption in your home.

uPVC Windows Grantham

uPVC is a dependable choice when you want strong thermal performance with little routine upkeep. Our uPVC windows for Grantham properties are available in several styles and finishes, including options suited to both traditional and contemporary homes.

The frames are designed to withstand everyday weather without painting or extensive maintenance. Combined with modern glazing and secure hardware, they provide a practical option for homeowners replacing ageing units.

We will help you compare opening styles, colours and decorative details so that the finished windows suit both the building and the way each room is used.

Casement Windows

Casement windows offer a simple and versatile opening style. Side-hung or top-hung sections can be arranged to provide useful ventilation while making the best use of the available opening.

Because casement windows work in uPVC and aluminium, they can be specified for a wide range of Grantham properties. Colour, glazing and hardware choices allow the design to be kept understated or used to give the exterior a clearer update.

Flush Casement Windows Grantham

A flush casement closes level with the outer frame, creating straighter lines and a more restrained profile. It can be a good match for homes where a standard projecting sash would look too heavy.

Although the appearance takes cues from traditional joinery, modern flush casement windows provide contemporary glazing, security and weather performance. We can explain the available finishes and help you decide whether this style suits your property.

Aluminium Windows

Aluminium windows use strong, slim frames that allow a larger proportion of glass within the opening. They are well suited to homeowners who prefer clean lines, low maintenance and a broad choice of durable finishes.

Their strength makes aluminium useful for larger openings as well as standard window replacements. Our team can help you compare aluminium with uPVC, taking account of the design, budget and performance required for your Grantham home.

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Visit Our Lincoln Showroom

See our products up close at our Lincoln showroom. It’s the perfect place to explore styles, ask questions, and chat with our friendly team about what’s right for your home.

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How We Work

A smooth, straightforward process from first enquiry to final fit, with expert support every step of the way.

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Get in Touch

Start by contacting our team for a free no-obligation quote. Our experienced sales team can help you find the right products, whether you would prefer to visit our showroom or arrange a home visit.

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Design

Our team will support you from start to finish to ensure we find the right design for you.

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Expert Installation

We will guide you all the way through from start to finish, ensuring that your installation is completed to the highest standards.

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Aftercare

You will receive your FENSA certificate and guarantees by post. Our team will also be on hand to support you after installation.

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Frequently Asked Questions

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What Our Customers Say

Read real reviews from happy homeowners.

We asked Cliffside to replace our old conservatory including new foundation’s. We chose the solid roof option from Lela and had the interior plastered and...
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John C

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We have used cliffside for a while, they carry out all our repairs and new windows/doors on the rental properties, we have found the fitting...
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Martin & Co Lincoln

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Had new windows installed, brilliant customer service they made everything very easy and quick 10/10 would recommend to everyone.

Georgia Hancock

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I just had a new door with windows fitted by Cliffside Windows and extremely happy inside and out - a light-filled hallway and fantastic curb...
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Sarah Watson

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