Sash Windows Dulwich


One of the oldest and most beautiful districts of London, Dulwich is home to many classic and contemporary houses with Sash Windows. However, some of these installations may now be tired, worn and actually age the house rather than accentuating it’s best features. As a result, houses in Dulwich can benefit from SJB’s Sash Window services. The premiere providers of Sash Windows in Greater London and South of the Thames, they are renowned for their friendly local service, delivering sash windows of the highest quality at reasonable prices. Whether you are just looking to repair your existing sash windows or overhaul your entire property by adding sash windows to your Dulwich property, SJB should be your first port of call.


The SJB team always try and get the best quality finish on every job, so we leave our customer completely satisfied. We are fully Checkatrade-certified and can match our products to your property to ensure that your new, or replacement Sash windows can match the ambience of your Dulwich property.

Our Sash windows are extremely durable and will be a centrepiece for your property in Dulwich for years to come. As well as being highly stylish, they come with a ten year standard warranty for your peace of mind, giving you access to repairs from our skilled craftsmen in case you encounter any issues. Furthermore, our Sash windows all benefit from draught-proofing procedures to ensure you can keep the heat in and save money on those heating bills, whilst helping to reduce your impact on the environment. Give your Dulwich property the TLC it deserves by contacting SJB today.

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

London Customer

“I’d definitely use them again for future work and wholeheartedly recommend them to others.”

London Customer

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

Sutton Customer

Our Affiliations

guild of master craftsmen                  


SJB are happy to work on Sash windows in Dulwich and the surrounding area and can repair and replace your existing installations, as well as adding brand new sash windows. SJB’s repair services are quick and easy, leaving your Dulwich home in safe and secure condition.

Cord Repair

A faulty cord can affect your window opening and closing effectively. SJB can change this to put your window back to rights.

Spring Balance repair

Stop your window slamming unexpectedly and taking unnecessary damage by getting SJB to repair your sash window spring balance.

Window frame repair

Help your Dulwich property be the stand-out house on the street by replacing your tired, ill-fitting or worn-out window frames.


Help your Dulwich home become more environmentally friendly by installing weather-stripping on your sash windows, to keep your house warmer in the winter.

Double Glazing

If you want to take your energy and money savings a step further in your Dulwich property, speak with one of our friendly sash window experts to find out about the double-glazing options we provide.

Contact us

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

Request quote

To request a quote fill in your details in the form and we will be in touch to discuss your requirements as soon as possible.

Alternatively to talk with us now either call:
+44 (0)208 296 9487

or email:

request a sash window quote