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Traditional Elegance In The Modern Home


Core Sash Windows remains fully open as we continue to monitor the situation closely and follow the advice of the World Health Organisation and the UK Government. We would like to make it clear to our customers that our supply chain is unaffected by the virus and we can still achieve our usual lead time of around 6 weeks.

Due to the virus, in addition to our free on-site surveys we will be offering free remote surveys via FaceTime or WhatsApp. Our surveyors are on hand at any time between 8:30am and 5:00pm.

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We’re a sash window company you can trust

As a sash window company with decades of experience installing sash windows, casement windows and doors all over London, we know what standards Londoners expect. Before starting Core Sash Windows, all our senior members of staff used to fit sash windows in London, so we’re all intimately familiar with our products and our services. If you need help during any part of the process, our staff are on hand.

We’re a sash window company that cares about your home

Dust protection is as important to us as it is to you. Along with our fitting work, it’s our bread and butter. We understand that there can’t be much worse than coming home after a hard day’s work to find your builders have made a mess of your home. That’s why all our staff are given precise training on how to properly protect a room. We’re so confident in our ability to protect your home that we guarantee that you’ll be able to use every one of your rooms during the evenings.

We’re a sash window company that cares about our product

All our sash windows are designed from the ground up to look as much like traditional sash windows as possible. That is, without sacrificing their modern energy saving and noise excluding capabilities. That means that you’ll be able to enjoy the timeless look of sash windows without having to deal with heat loss or excessive condensation. Of course, if you live in a historic building, we can make traditional single glazing as well!

 

Enjoy being warm and comfortable!

call us: 020 3302 2060 or email: [email protected]

Instant quote
window replacement in nw5 camden

What did we do?

We’ve completed the comprehensive fitting of 2 double glazed sash boxes for this customer.

What did the customer think?

“Excellent job, very happy with the new windows. Communication very straightforward with the office and the team turned up on time, kept us informed as the job progressed and cleaned up thoroughly at the end of each day.”

window replacement in nw5 camden

What did we do?

We’ve completed the comprehensive fitting of a 8 double glazed sash boxes for this customer.

What did the customer think?

“Good standard of workmanship throughout and I love the new windows”

window replacement in E3 Bow

What did we do?

We’ve been contracted twice by this customer, and in total we have completed a comprehensive fit of 4 double glazed casement windows for this customer.

What did the customer think?

“Excellent work with a tricky installation and a great finish. The fitters were clean, tidy and very professional.”

window replacement in E3 Bow

What did we do?

We’ve been contracted twice by this customer, and in total we’ve completed the fully comprehensive installation 12 sash boxes, 2 French doors and 1 front door

What did the customer think?

Our windows are fantastic, exactly what we wanted. Everybody that we dealt with was excellent -professional, kind and helpful.
Core sash windows did a great service and I would definitely recommend them.