We have Replacement Windows in NI for
Every home
and
Every personality
Bay windows, Tilt & Turn windows, Casement windows, Bow windows, Vertical Sliding Sash, Mock / Faux Sash, Double / Triple Thermal Glazing, Security Glass, Privacy Glass…All bespoke builds to suit your requirements.
Our Story
Smart Homes NI are Northern Ireland’s only ‘Eco Home Design’ company.
We achieved Eco status because our products are not only global leaders in thermal efficiency (A++), they’re also Eco friendly. So not only will your new windows and doors look beautiful, they’re good for the environment too.
Thank you to all the families who have got behind us so far, together we’re not only creating beautiful homes…we’re also building a better, smarter, future.

you’re in great hands.
Our product accreditation and certifications


Our Market
Leading Guarantees

FRAME
All our PVC-U frames are backed by our industry leading 20 year guarantee. Twenty years of complete peace of mind.

glass
We offer a 15 year glass protection warranty (The industry standard is just 5 years). Enjoy crystal clear glass for 15 years, we stand by it.

workmanship
We stand by the quality of our work. Giving you a 10 year warranty on all moving parts,
to ensure everything continues to work smoothly.

Price
We’ll never insist on a home visit before giving you an initial quote. We always aim to give you honest open pricing upfront, via phone or email.
Do you know which window style you’d like?
Click your window type below to learn more, or keep scrolling to read about all our window styles…
let us build you something
extraordinary
Read a little about all our window styles below…
Looking for Elegant New Casement Windows?
- Our most versatile and popular window, coming in a huge range of styles and colours
- Triple glazing options, to future proof your new windows
- Mock / Faux Sash, Tilt & Turn, Reversible, Bow & Bay and Standard window styles all available
- Available in bold Aluminium and Grade A uPVC
- Installed using our trademarked SmartFit™ method, giving you the best thermal efficiencies on today’s market
- All our locking systems exceed governmental security standards, setting a new level of safety for our customers
- Engineered using O70 Gold, a uPVC system that’s highly recyclable…making your new windows not only beautiful, but eco-friendly
Looking for Beautiful New Bow/Bay Windows?
- A beautiful sweeping window to flood any room with natural light
- Enjoy open, uninterrupted, panoramic views
- Available in bold Aluminium and Grade A uPVC, in a huge range of colours
- Installed using our trademarked SmartFit™ method, giving you the best thermal efficiencies on today’s market
- All our locking systems exceed governmental security standards, setting a new level of safety for our customers
- Engineered using O70 Gold, a uPVC system that’s highly recyclable…making your new windows not only beautiful, but eco-friendly
Looking for authentic New Sash Windows?
- Our most beautifully authentic and rustic window style
- A stunning touch of tradition to give your home a look that is unrivalled
- Available in bold Aluminium and Grade A uPVC, in a huge range of colours
- Genuine vertical sliding sash windows and mock/faux sash effect windows available
- Installed using our trademarked SmartFit™ method, giving you the best thermal efficiencies on today’s market
- All our locking systems exceed governmental security standards, setting a new level of safety for our customers
- Engineered using O70 Gold, a uPVC system that’s highly recyclable…making your new windows not only beautiful, but eco-friendly
Looking for Beautiful New Reversible Windows?
- Easy cleaning, great ventilation and beautiful aesthetics
- Choose from a huge selection of colours to match any home and any personality
- Triple glazing options, to future proof your new windows
- Available in bold Aluminium and Grade A uPVC
- Installed using our trademarked SmartFit™ method, giving you the best thermal efficiencies on today’s market
- All our locking systems exceed governmental security standards, setting a new level of safety for our customers
- Engineered using O70 Gold, a uPVC system that’s highly recyclable…making your new windows not only beautiful, but eco-friendly
Looking for New Tilt & Turn Windows?
- Easy cleaning, great ventilation and beautiful aesthetics
- A huge selection of colours to match any home and any personality
- Triple glazing options, to future proof your new windows
- Available in bold Aluminium and Grade A uPVC
- Installed using our trademarked SmartFit™ method, giving you the best thermal efficiencies on today’s market
- All our locking systems exceed governmental security standards, setting a new level of safety for our customers
- Engineered using O70 Gold, a uPVC system that’s highly recyclable…making your new windows not only beautiful, but eco-friendly
Looking for crisp New uPVC Windows?
- Sliding Sash, Mock/Faux Sash, Tilt & Turn, Reversible, Bow & Bay and Standard Casement window styles all available
- A huge selection of colours to match any home and any personality
- Triple glazing options to future proof your new windows
- Installed using our trademarked SmartFit™ method, giving you the best thermal efficiencies on today’s market
- All our locking systems exceed governmental security standards, setting a new level of safety for our customers
- Engineered using O70 Gold, a uPVC system that’s highly recyclable…making your new windows not only beautiful, but eco-friendly
Looking for Bold New Aluminium Windows?
- Stunning Bow & Bay, Faux Sash, Tilt & Turn, Reversible and Casement (standard) Aluminium windows available
- Bold, strong and exceptionally well crafted
- Built using our new, stronger, market leading aluminium frames with triple glazing capabilities
- Fit using our trademarked SmartFit™ method, adhering to our market leading thermal efficiency standards
- Have complete peace of mind, all our windows exceed the governmental “Secured by Design” security standards
Leading the way
in quality and performance

Thermally Efficient
Grade A++ making your new windows as much as 20% more energy efficient than A+ models (U-value achievable = 0.9)
Advanced Security
Acoustic Isolation
All our windows have triple glazing capabilities which maximizes sound-proofing.
Eco Friendly
All materials used are 100% recyclable. So not only will your new windows look beautiful, they’re eco-friendly too.
Colour Range
Express yourself with 20 colours available in our range
Now that’s what I call a perfect fit, check out our
SmartFit™ Installation process
To get the true quality and performance out of your new windows it’s vital they’re installed accurately.
The quality of installation is often over looked by homeowners. They see that 2 companies sell the same product therefore the outcome of the installation will be the same. Sadly this is rarely the case.
We’ve created an industry leading installation standard for ourselves called our “SmartFit™” method, which ensures maximum energy efficiency and product longevity.
Below you can read a featured article written about us and our “SmartFit™” method in the popular home improvements website Cosmopolithome.
In the Media
Our quality design work, and the cause we support, have caught the attention of the media. We love it when this happens because it raises awareness of our company and helps us serve more people like you.
(click a link below to read more)
We also
sell Doors
Why More and More Families Are
Choosing Us
Smart Homes
Gift Pack
We’ve teamed up with some amazing home improvement companies from around Northern Ireland. Through us they’re offering our customers unbeatable discounts on their services. These partnerships are growing every day. You don’t want to miss this!!









Thousands of pounds of services FOR FREE!! That's the smart move, that's Smart Homes NI.
Smart Homes
Freebies

- FREE upgrade to our luxury finished brass / chrome handles – Value £150
- FREE upgrade to our extra security locks – Value £120
- FREE upgrade to ‘obscure’ glass on your bathroom window – Value £135
- FREE ‘Easy Clean’ hinges (clean the outside of any window from inside your house) – Value £125
Total Value £750
All yours completely free.

Get a years free window cleaning with our
Smart look bonus
Anyone who buys an entire house of windows and doors (minimum 6 windows 2 doors, or equivalent value) gets our highly sought after “SMART LOOK BONUS” giving you a full year of window cleaning totally free.

Windows of every colour
For Any Personality.

HOW IT WORKS

Choose your perfect Replacement Windows
Talk with one of our Product Advisers or take our online ‘Perfect Windows Challenge’ to choose your perfect Replacement Windows.

Time To
Measure Up
Request a home visit or send us your window measurements and we’ll get you a quote.

Secure It
Once you’re happy with everything, it’s time to secure your spot.

CHECK UP
The next step is a surveyor will come out, just to check everything is ok and all can be done.

Your Brand New
Replacement Windows
Now the exciting part! We’ll be ready to start fitting your brand new Replacement Windows . A fitting normally takes between 1-3 days.
Check out what our clients
have to say about us!


In It Together

For every job we complete (no matter the size) we give to WWF on behalf of your family. This money is used to help tackle climate change…so by improving your home and reducing your carbon footprint, you’re improving everyone’s for generations to come.
You’ll get sent a polar bear gift pack in the post as a thank you for tackling climate change with us.
With your help we’re making the planet a little cleaner for the generation coming behind us.
Let’s make ours a home to be proud of.
For every job we complete (no matter the size) we give to WWF on behalf of your family. This money is used to help tackle climate change…so by improving your home and reducing your carbon footprint, you’re improving everyone’s for generations to come.
You’ll get sent a polar bear gift pack in the post as a thank you for tackling climate change with us.
With your help we’re making the planet a little cleaner for the generation coming behind us.
Let’s make ours a home to be proud of.

Frequently Asked Questions
What are the available styles of replacement windows in Northern Ireland?
At Smart Homes, you can get a wide range of replacement window options that are high in quality, utility, and style. These replacement windows in Northern Ireland include:
- Bow & Bay windows
- Casement windows
- Reversible widows
- Sliding sash windows
- Tilt & Turn windows
- uPVC windows
- Aluminium windows
How long do replacement windows last? Is there any product warranty?
Once you get replacement windows in Northern Ireland from Smart Homes, you can be rest assured of their high durability and longevity. All our products come with a maximum 20-year warranty hence you don’t have to go for frequent replacement window purchases. We take pride in delivering premium quality products at the best market rates.
Do these replacement windows come in varied sizes and designs?
All our replacement windows in Northern Ireland are custom built as per the home structure and client preferences. We have window styles for every home irrespective of the location, size, or structures. Be it the window style, glass type, or frame materials, we will make it exactly as per your choice.
Is it compulsory to get replacement windows for the entire house?
No, not at all. You can get single or multiple replacement windows in Northern Ireland as per the requirement. However, most homeowners prefer to get complete replacement windows at once in order to avoid displeasing aesthetics or added installation costs.
What are the available glazing options for replacement windows in Northern Ireland?
All our replacement windows have double and triple glazing options. Double glazing as the name suggests involves two panes of glasses separated by a small cavity that allows for excellent thermal efficiency. Furthermore, triple glazing refers to using three panes of glass that add to its advanced thermal efficiency and noise resistance features.
How secure are these replacement windows in Northern Ireland?
At Smart Homes NI, all our products meet the PAS24:2021 certification which is a standard security requirement for all residential properties in the UK. Additional security features like the multi-point locking systems and internal beading set a high-security level for our customers.
How much do these replacement windows in Northern Ireland cost?
The cost of replacement windows varies significantly depending on factors like quality, materials, number of replacements, degree of customization, etc. You can check our pricing pages or book a free home design visit where our experts will assess your key requirements and get back to you with a complete quote. Whatever be your preferences, premium quality and fair pricing is guaranteed.
How long does it take to get the replacement windows in Northern Ireland?
At Smart Homes, all the replacement windows are bespoke builds thus the delivery and installation time differs from one order to another. Factors like the type of windows, number, design, etc. alter the estimated delivery period. However, the complete process from the initial visit to installation takes approximately 8-10 weeks.
Lets Price Your
New Windows
Staying true to our Price Transparency Principle and unlike many companies
who will insist on a home visit before telling you any prices.
We’ve put together an honest pricing guide, so you can get an idea of what it might cost for the windows you like, with zero hassle.

View our extensive range of colours and window types

See all the factors that impact price

Enjoy a hassle free way of choosing your perfect windows
We'd Love to chat:
