Sash Windows London


Affordable sash window installation in London

Here at SJB Sash Windows, we are a family run business who put their customers at the heart of their service. We have been supplying, repairing and fitting sash windows around the London area for over 15 years and over that time our team. We regard ourselves as experts in the sash window industry and we have a dedicated team who work all over London. Whether you’re looking for a single window repair or a complete home installation service, you can rely on us to provide to fit the highest quality sash windows.

Punctual and reliable sash window experts

The SJB team pride themselves on being professional, polite and punctual. To keep your home clean and tidy, we will always lay out dust sheets and adequate protection where necessary. We aim to leave your home with the highest quality finish possible. From the moment you contact SJB Sash Windows, our team strive to provide unrivalled customer service and expert knowledge.

Professional sash window repair service in London

Regardless of the issue with your window, we will be able to offer a solution to your problem. We know that having a faulty window can be an inconvenience and can sometimes make you feel as though your home is insecure. That’s why we will complete a repair service on your sash window as quickly and promptly as possible. All of our repair services will leave your window and home in a safe and secure condition.

Cord Repair

A faulty sash cord can often cause problems when trying to open and close your sash window. If this is the case, we can replace your sash window cord in no time at all and at an affordable price.

Spring Balance repair

Some windows use spring balances to assist you in raising and lowering the window sash. This can be a real burden if it breaks. By contacting our friendly team today, we’ll be able to rebalance your sash window quickly.

Window frame repair

Having dated, worn or faulty window frames and sills can dramatically age your home and even diminish the property value. Our expert sash window team can repair broken sash window frames if necessary, simply call the SJB Sash Window team for a free quote.

Draught Proofing

Having a sash window which is draught proof is important for living in a home which is warm and energy efficient. A home with a draught is one which is allowing heat and money. The quicker you have your home draught proofed, the more money you will save in the long run. Draught proofing is a quick process for our window experts to complete. Using weatherstripping, we will soon stop cold air from entering your home.

Double Glazing

If you’re looking to make your home as energy efficient as possible, our window specialists can fit double glazing windows. All of our double glazed windows are built to minimise heat loss through windows and doors. Our specialist window fitters are able to install double glazing in all types of sash window. Simply speak to our friendly office team to match your preferences with a bespoke service from SJB.

Contact Us

To inquire about any of our London sash window services, please get in contact with us via our contact form or call us today on 0208 296 9487.



"Everything that was done was perfect. Absolutely recommend, Steve and his team are conscientious, reliable and first class workers."

"I'd definitely use them again for future work and wholeheartedly recommend them to others."

"Definitely recommended, everything is thoroughly done and methodical. Very courteous and polite."


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