We have Replacement Windows 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
Welcome to Smart Homes NI – a market leader in supplying window products with industry-proven quality and state-of-the-art manufacturing. Being the only ‘Eco Home Design’ company in Northern Ireland, we are deeply committed to offering window solutions that enhance green sustainable design initiatives.
Our products are marked A++ in thermal efficiency and eco-friendliness. So, with us, you can rest assured about the quality of your new windows.
To learn more about us and our window products, keep browsing this site!
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…
Flush Casement Windows
Flush Casement Windows
let us build you something
extraordinary
Read a little about all our window styles below…
Looking for Elegant New Casement Windows?
- Explore our wide collection of replacement windows in Northern Ireland, available in varied styles, designs, and colours
- We offer all types of window glazing options to future-proof new windows
- Whether it’s Sliding Sash, Tilt & Turn, Reversible, Bow & Bay, or Standard window styles, we have it all covered
- Our casement windows are manufactured using bold Aluminium and Grade A uPVC materials
- We use one of the fenestration industry’s best installation methods called the SmartFit™ method to help our customers enjoy optimal thermal efficiencies
- Get casement windows with modern and advanced locking systems that can heighten the safety and security of your home
- All of our casement windows are engineered with a highly recyclable and eco-friendly uPVC system, O70 Gold to enhance a building’s aesthetics and performance
Looking for Beautiful New Bow/Bay Windows?
- Shop beautifully designed bow/bay windows to brighten up your home with natural light
- Our quality bow/bay windows can let you enjoy open, uninterrupted, and panoramic views of the outdoors
- Available in a wide range of colours and styles, our bow/bat windows are made from bold Aluminium and Grade A uPVC materials
- We install every bow/bay window using our trademarked installation method called the “SmartFit™” method to provide our customers with maximum thermal efficiency
- Our bow/bay windows come with multiple-point locking systems exceeding governmental security standards to enhance the safety and security of buildings
- Get aesthetically-pleasing bow/bay windows engineered with a recyclable and nature-friendly uPVC system, O70 Gold
Looking for authentic New Sash Windows?
- Explore our exclusive collection of beautiful and rustic sash replacement windows in Northern Ireland, available in a wide selection of colours and styles
- All of our sash windows offer a stunning touch of tradition, giving homes an unrivalled look
- Our sash windows feature industry-proven quality since they are made out of bold Aluminium and Grade A uPVC materials
- Shop vertical sliding sash windows and mock/faux sash effect windows at affordable prices
- Our sash-style windows are installed using a top-rated installation method called the “SmartFit™” method to let our customers enjoy maximum thermal efficiency
- Want to enhance the safety of your home? Our sash windows with advanced locking systems can be the ideal solution
- Get beautifully designed and highly-functional sash windows engineered with O70 Gold, a recyclable and eco-friendly uPVC system
Looking for Beautiful New Reversible Windows?
- Get features like easy cleaning, improved ventilation, and excellent aesthetics - all in our reversible windows
- Our reversible windows come in a multitude range of colours to match every home decor and personality
- We offer both double and triple-glazing options to make reversible windows more durable and long-lasting
- All of our reversible windows are made out of premium-quality Aluminium and Grade A uPVC materials
- We use an industry-leading installation method called the SmartFit™ method to install all of our reversible windows, providing customers with the best thermal efficiencies in the market
- Get quality reversible windows with multi-point locking systems that exceed governmental security standards, setting a new level of safety and security
- Our reversible windows are not only beautiful but also eco-friendly since they are engineered with O70 Gold, a premium uPVC system
Looking for New Tilt & Turn Windows?
- Avail of our tilt & turn windows featuring easy cleaning, maximum ventilation, and excellent aesthetics
- We offer tilt & turn windows in a wide range of colours and styles to match every home's aesthetics
- Get both double and triple tilt & turn window glazing options here
- Get tilt & turn windows made out of bold Aluminium and Grade A uPVC components
- We use the SmartFit™ method to install our tilt & turn windows, providing clients with optimum thermal efficiency
- Smart Homes’ tilt & turn windows come with advanced locking systems to enhance safety and security
Looking for crisp New uPVC Windows?
- From sliding Sash and Mock/Faux Sash to Tilt & Turn, Reversible, and Bow & Bay, we have all types of uPVC windows covered
- Check out our range of uPVC windows, available in a wide selection of colours and styles
- Get quality uPVC windows with double and triple-glazing options
- Installation is done using our trademarked SmartFit™ method to improve the windows’ thermal efficiencies
- Get supreme quality uPVC windows with modern locking systems exceeding governmental security standards
- All of our uPVC windows are engineered using O70 Gold, a recyclable and eco-friendly uPVC system
Looking for Bold New Aluminium Windows?
- Explore our stunning range of quality Bow & Bay, Faux Sash, Tilt & Turn, Reversible, Casement, and Aluminium windows
- All of our aluminium windows offer great sturdiness and unrivalled looks
- Our aluminium windows come with quality frames and triple-glazing capabilities
- We install aluminium windows using our trademarked SmartFit™ method, adhering to our industry-leading thermal efficiency standards
- Above all, our aluminium windows offer heightened safety and security since they come with advanced locking systems exceeding governmental 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
Want your new replacement windows in Northern Ireland to perform optimally? Pay attention to your window installation process!
Installations play a vital role in making or breaking the quality of windows but it’s often overlooked by homeowners.
Here at Smart Homes NI, we have set a market-leading installation standard and thus we install all of our windows using our trademarked “SmartFit™”method which ensures maximum energy efficiency and product longevity.
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
With every product sale or project completed, we ensure to contribute a certain amount of money to WWF. And we do that to tackle climate change as well as improve environmental conditions.
Want to join us in our movement toward conserving natural resources and making this planet a better place to live? Shop our window products!
For every product you purchase at Smart Homes, we will send you a polar bear gift pack via post as a token of thankfulness. So, no waiting longer; let’s collaborate and make this planet a better home to live in!
With every product sale or project completed, we ensure to contribute a certain amount of money to WWF. And we do that to tackle climate change as well as improve environmental conditions.
Want to join us in our movement toward conserving natural resources and making this planet a better place to live? Shop our window products!
For every product you purchase at Smart Homes, we will send you a polar bear gift pack via post as a token of thankfulness. So, no waiting longer; let’s collaborate and make this planet a better home to live in!
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
Unlike many window companies in Northern Ireland, we have constantly stayed true to our Price Transparency Principle. We schedule home visits only when our customers are content and happy with our initial price quotes.
To learn more about our pricing principles, go through our pricing guide!.
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:
Or reach us @
Offices:
Unit 13
Enterprise House
6 Enterprise crescent
Lisburn
Co Antrim
BT28 2BP
Manufacturing and Production:
Ballyharry Business Park,
5 Berkshire Rd,
Donaghadee Rd,
Newtownards
BT23 7HH
2 Advantage Way,
Ballygomartin Rd,
Belfast.
BT13 3LZ
Company Information:
SHNI Ltd
VAT number: 456 6860 53
NI number: NI695377
Contacts:
Offices:
Unit 13
Enterprise House
6 Enterprise crescent
Lisburn
Co Antrim
BT28 2BP
Manufacturing and Production:
Company Information:
SHNI Ltd
VAT number: 456 6860 53
NI number: NI695377
