replacement windows
New windows that transform the way your home feels
If your windows are draughty, fogged up, or looking worn, we’re here to help. At House of Glass, we supply and install high quality replacement windows that make your home feel warmer, quieter and more secure.

Leading suppliers of replacement windows in the South East
Whether you’re upgrading a single window or looking for a patio door replacement every one, we’ll guide you through the options and help you choose the right fit for your home, lifestyle and budget.
We make replacing your windows stress free. On top of that, we’ve helped hundreds of customers replace tired or failing windows with secure, low maintenance designs that look great and perform even better.
- Family Owned & Operated
We treat your home like it’s our own, offering honest advice with no pressure and no pushy sales tactics. - Same Day Quotes
We move quickly. In many cases, we can provide a same day quote so you’re not left waiting around. - FENSA Registered Installers
All our window installations are carried out by experienced, in house fitters and are fully FENSA registered.
- 10 Year Guarantee
Every window we fit comes with a 10 year insurance backed guarantee, so you can feel confident in your investment. - Finance Available
Spread the cost with our flexible finance option at 12.9 percent with a low deposit. Making home improvements more manageable. - Over 200 5-Star Reviews
Find reviews on Google, Checkatrade and Trustatrader from customers across Kent, London, Essex and Sussex who value our reliability and results.
Are your windows letting you down?
Many of our customers come to us after living with the same problems for years. Cold draughts, noisy rooms, broken locks or handles, or misted glass are all signs that your windows are no longer doing their job. And older frames can often spoil the appearance of an otherwise lovely home.
We offer a full range of replacement uPVC window styles alongside aluminium and timber effect finishes. All our windows are made to measure and professionally installed by our trusted team. Whatever problem your windows are causing, we can help you fix it.
No matter the style, our new replacement windows are all:
- Custom made, professionally fitted
- Available in stylish uPVC or aluminium designs
- Strong, secure and built to last

Over 200+ happy client reviews
Find the right type of window for your home:
Whether you’re replacing old timber frames, updating 90s double glazing or starting a new extension, we’ll help you find the perfect window style. Below are the most popular types we supply and fit. No matter the style you opt for we offer double glazing and triple glazing!
uPVC Windows
Made to measure, expertly installed
We supply and fit high performance uPVC windows using trusted Eurocell & Residence Collection profiles, with a wide choice of styles and colours to suit your home. Every window is made to order, A-rated for efficiency and installed by our experienced, in house team. A great choice for full window replacements or everyday upgrades.

Aluminium Windows
Slim, strong and contemporary
Our aluminium windows are designed for strength and style. Supplied using AluK systems and fitted by our FENSA registered team, they offer excellent thermal performance and a clean, contemporary look. Ideal for new builds, extensions or replacing tired old frames.
Bay and Bow Windows
More space, more light, more character
We supply and install bay and bow windows in a range of styles and materials to suit your home’s character. Whether you’re replacing an existing feature or adding one as part of a renovation, we’ll guide you through your options and deliver a flawless result.
uPVC Sliding Sash Windows
Traditional style, expertly installed
Our uPVC sliding sash replacement windows are designed to replicate the look of classic timber, with smooth operation, modern security and great thermal performance. We’ll help you choose the right finish for your property and take care of the installation from start to finish.
Timber & Wood Effect Windows
Heritage looks without the maintenance
Our Residence Collection windows offer a beautiful timber look without the upkeep. We’ve helped countless customers in period homes and conservation areas upgrade to energy efficient timber effect windows that retain their home’s charm while improving comfort and security.
Frequently asked questions
Got a question? We’re here to help! Below you’ll find answers to some of the most common queries about our replacement windows, installation process, and services. If there’s anything else you’d like to know, please don’t hesitate to get in touch with our friendly team
Can i mix different window styles in one property?
Absolutely. We can help you combine different types of windows, such as casement, flush and bay, while keeping a consistent overall look. We’ll guide you through all the style and colour options to match your home.
Do you offer timber effect windows that look authentic?
We do. Our Residence Collection windows are specifically designed to replicate the detail and finish of traditional timber windows, but with the modern benefits of uPVC.
How do I know when it’s time to replace my windows?
Common signs include cold draughts, condensation between panes, stiff handles, fading or cracked frames and high energy bills. If your windows are no longer performing properly, we can help you upgrade to something more efficient, secure and long lasting.
Are your new windows energy efficient?
Very. All of our windows are built with insulation in mind, using energy rated frames and double or triple glazing where needed. This helps reduce heat loss and keeps your home more comfortable all year round.
How quickly can I get a quote?
We offer same-day quotes and appointments for your convenience so contact us anytime to arrange yours.
What warranty do your installations come with?
All our uPVC windows come with a 10-year insurance-backed guarantee for complete peace of mind.
Can you install other matching products?
Definitely! As a leading home improvement company in Kent we can supply everything from windows, doors, uPVC and Aluminium bifolds, sliding doors and conservatory roof replacements. Our aim is always to deliver a seamless, cohesive finish throughout your home.
Are you FENSA registered?
Absolutely. As a FENSA-registered company, we adhere to strict standards for quality and compliance, ensuring your installation meets all necessary regulations.
Do you offer finance?
Yes, we offer flexible finance at 12.9% APR with low deposits to make upgrading your home affordable.
Are your fitters employed by you?
Absolutely! We employ experienced, fully trained, in-house fitters dedicated to quality installations.
Ready to Upgrade Your Home?
Choose House of Glass for beautiful external doors expertly installed by our trusted team. Contact us today for your free, no-obligation quote.