Looking for CHARMING New

Sliding Sash Windows

you’re in great hands.

Our product accreditation and certifications

Our Market

Leading Guarantees

FRAME

Get a 20-year guarantee on our frames. We know our sliding sash windows are the best on the market, and so are our guarantees.

glass

Our sliding sash windows come with crystal clear glass that stay untarnished even after a decade. To prove it, we offer a 15 year-warranty on our glass panes.

workmanship

We know a window needs to remain functional so we give a 10-year warranty on all our moving parts.

Price

We value privacy and time as much as you do. So, we always have a clear discussion on cost before we schedule a home visit.

Traditionally Beautiful Sash Windows

If you want to add a touch of period beauty to your home, this can easily be achieved with gorgeous new Sash windows.

Known for their historical significance, our authentically styled Sash windows will maintain your home’s traditional charm whilst giving you the comfort of the unmatched security that comes with incredibly strong framing. Our advanced glazing techniques result in Smart Homes NI sash windows being the most energy efficient on the market whilst also letting an optimum amount of sunlight into your home.

Known for their exquisite design and finish, our sash windows use the latest Aluminium or uPVC frames to protect your home from dry rot, water leaks, rainstorms, and any other damage caused by external impacts. We are able to offer customers a long-term guarantee on the installation due to our proprietary SmartFit™ method that results in a perfect air-sealed fit.

You have your choice of a beautiful array of colours, luxury handles and matching locks all for that final touch of elegance.

Along with how beautiful these frames are, they provide your home with amazing ventilation. During the warm summer months you can slide your sash windows open and enjoy plenty of fresh air as well as the sounds of chirping birds.

Prices now are the best they’ve been in years, so there is no better time to upgrade your home with our traditionally beautiful Sash windows.

Wherever you live in Northern Ireland, we can take care of your needs through one of our offices, either Belfast or Lisburn.

We look forward to speaking to you about any home improvement projects you may have planned and in helping you to bring them about. Please give us a call.

Traditionally Beautiful Sash Windows

If you want to add a touch of period beauty to your home, this can easily be achieved with elegant new Sash windows.

Known for their historical significance, our authentically styled Sash windows will maintain your home’s traditional charm whilst giving you the comfort of the unmatched security that comes with incredibly strong framing. Our advanced glazing techniques result in Smart Homes NI sash windows being the most energy efficient on the market whilst also letting an optimum amount of sunlight into your home.

Known for their exquisite design and finish, our sash windows use the Grade A+ uPVC frames to protect your home from dry rot, water leaks, rainstorms, and any other damage caused by external impacts. We are able to offer customers a long-term guarantee on the installation due to our proprietary SmartFit™ method that results in a perfect air-sealed fit.

You have your choice of a beautiful array of colours, luxury handles and matching locks all for that final touch of elegance.

Along with how beautiful these frames are, they provide your home with amazing ventilation. During the warm summer months you can slide your sash windows open and enjoy plenty of fresh air and sunlight.

Prices now are the best they’ve been in years, so there is no better time to upgrade your home with our traditionally beautiful Sash windows.

Wherever you live in Northern Ireland, we can take care of your needs through one of our offices, either Belfast or Lisburn.

We look forward to speaking to you about any home improvement projects you may have planned and in helping you to bring them about. Please give us a call.

let us create something

beautiful

FOR YOU

LEADERS

in quality and EFFICIENCY

Thermally Efficient

Our sliding sash windows are of Grade A+ material. Which means they are 20% more thermally efficient than Grade A models.

Advanced Security

Our sliding sash windows surpass governmental ‘Secured by Design’ and PAS24 hardware standards.

Acoustic Isolation

Or sliding sash windows provide excellent noise insulation with laminated double glazing and triple-glazing capabilities.

Eco Friendly

Our windows are 100% recyclable.

Colour Range

Aesthetics is important. Choose from our range of 20 colours.

Sash Windows of any colour

For Any Personality

Now that’s what I call a perfect fit, check out our

SmartFit™ Installation process

In order to get the best quality and performance out of your new Windows Northern Ireland, it’s essential that they are properly installed.

Very often, homeowners tend to undermine the importance of professional installation of uPVC and sash windows in Northern Ireland. It is widely presumed that when two companies sell the same products, their installation outcomes are likely to be the same. However, in reality, this is not the case.

We have created an industry-leading installation method called the “SmartFit™ method that assures long-lasting and high energy efficiency of the sliding and sash windows in Belfast.

For more, read the featured article shared below which is written about us and our “SmartFit™ method on the popular home improvements website, Cosmopolithome.

In the Media

Our unparalleled quality of products & services along with our commitment to the cause that we support has grabbed media attention. This has positively impacted our business in multiple ways and we love it! Also, this popularity has helped us reach out to more people and serve those who need us.

(click a link below to read more)​

HOW IT WORKS

icon1

Select your Sliding Sash Window

Take our Perfect Window Challenge. Or, reach out to our advisers for help.

icon4

Take Measurements

Measure your wall or space for Sliding sash windows, and send it to us for a quote. Or, let us drop by to measure up.

icon3

Book your Sliding Sash Windows

If you like what we see, secure your spot.

icon5

Surveyor Visit

A surveyor will drop by to give a final inspection.

icon2

Installation Time

In 6 – 8 weeks your beautiful sliding sash windows will be installed.

Why More and More Families Are

Choosing Us​

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

Smart Homes

Freebies

Total Value £750

All yours completely free.

Check out what our clients

have to say about us!

In It Together

Polar Bear Certificate (WWF Initiative)

For every order that we complete, we make sure to donate to WWF on behalf of our customers. This fund is used by the WWF to tackle climate change. So, by purchasing uPVC and sliding sash windows, you’re improving your home and minimizing carbon footprints while making the surroundings better for future generations.

Moreover, we also send polar bear gift packs in every post to thank our customers for helping us in tackling climate change.

It is with the support of generous people like you that we are able to make the planet a little cleaner and greener for the generations to come.

Connect with us and we’ll help you make 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.
Polar Bear Certificate (WWF Initiative)

Frequently Asked Questions

The most notable feature of sliding sash windows is that they have no hinges and they use a smart sliding mechanism. These windows are greatly versatile and authentic in traditional appearl. Our sliding windows can be double or triple glazed, making them highly energy efficient. Thus, this category of sliding sash windows remain extremely popular nowadays.

When it comes to uPVC Sliding Sash windows there is no window system on the market more superior for quality and affordability than Spectus. We have used several other popular brands like Rehau, Kommerling and Euro Sash, but Spectus top the list. 

UPVC sash windows are widely being referred in homes in recent times as they serve the following purposes:

 

  • These windows are prominently energy efficient and can achieve an A+ rating according to the Windows Energy Ratings
  • They are incredibly resistant to dirt and grime and easily cleanable
  • They have high durability and can serve up to 20-25 years with proper maintenance
  • They are available in an impressive range of colours and unique textures

When it comes to sash windows in Northern Ireland, aluminium is a great choice in materials. Aluminium windows are broadly popular due to the following reasons:

  • Its low density features allow the creation of strong thin sightline window frames. It can withstand harsh weather conditions without expansion and contraction.
  • These windows are incredibly long-lasting (25 years+) and serve longer time spans when maintained decently.
  • They are available in an inclusive range of colours and designs
  • They offer great aesthetics and a unique bold aluminium appearance for your home.

Our sash windows are available in a wide range of colours, designs and styles for you to choose from. Some of our popular glass variations include:

  • Decorative – With specific designs and patterns like Georgian bars
  • Obscure – We have a large range of obscure glasses to choose from e.g. Frosted / Satin
  • Low e-glass – For enhanced thermal efficiency
  • Toughened glass – Have excellent strength compared to other glass types
  • Acoustic Laminated Glass – For advanced sound proofing.

We offer the best security for your sash windows in Belfast with the following features:

  • Multi-point locking systems around the frames to hinder forced entry
  • Internal beading to ensure that the glass is installed on the inside of the frames, preventing its external forced removal
  • Key-operated handles to allow easy locking of the windows to protect them from forced entry
  • Design security certification, as directed by the UK police scheme to make sure that your windows and homes are safe

Typically it takes around 8 – 10 weeks from the order of your new sash windows to installation. 

Lets Price Your

New Windows

We always stay true to our Fair Pricing Principle, unlike other companies who prefer a home
visit before disclosing the prices of uPVC sash windows.


To make it easier, we have put an honest pricing guide that will help our customers get a fair idea of the cost of sliding and sash windows beforehand.

icon2

View our extensive range of colours and window types

1-1

See all the factors that impact price

3-1

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:

Ballyharry Business Park,
5 Berkshire Rd,
Donaghadee Rd,
Newtownards
BT23 7HH

Company Information:

SHNI Ltd
VAT number: 456 6860 53
NI number: NI695377

CHECK OUT OUR WORK ON SOCIAL MEDIA: