SJB Sash Windows

Peace of Mind – Safe – Secure – Warm

SJB Sash Windows is a family-run business specialising in the manufacture and installation of traditional timber sash windows & doors, serving the London area since 2001. Our range of products and services are designed to improve energy efficiency whilst maintaining curb appeal & architectural integrity.

Our Range

Our clients highly rate our fitting and installation service for being both time efficient and cost effective.

timber sash windows

Timber Sash Windows

If your sash windows are beyond repair, or if you want to bring your energy efficiency up to the latest standards, treating your house to new double-glazed sash windows can be some of the most wisely spent money on your property.

Timber Sash Windows

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UPVC Sash Windows

With different ranges of UPVC sash windows to fit your needs, we’re confident we have a UPVC range to suit your requirements. They look so much like traditional timber sash windows!

UPVC Sash Windows

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Casement Windows

Bespoke casement windows and frames are made to exact specifications and any individual requirements can be tailored for.

Casement Windows

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Doors

Bespoke front doors, single doors, French doors & bi-fold doors are all tailor-made to your unique specifications. As craftsman specialising in capturing the finer details, we excel in manufacturing and installing your new replacement doors.

Doors

Our Range

Our clients highly rate our fitting and installation service for being both time efficient and cost effective.

sash windows

Timber Sash Windows

If your sash windows are beyond repair, or if you want to bring your energy efficiency up to the latest standards, treating your house to new double-glazed sash windows can be some of the most wisely spent money on your property.

sliding sash windows

UPVC Sash Windows

With three different ranges of UPVC sash windows to fit your needs, we’re confident we have a UPVC range to suit your requirements. They look so much like traditional timber sash windows!

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Casement Windows

Bespoke casement windows and frames are made to exact specifications and any individual requirements can be tailored for.

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Doors

Bespoke front doors, single doors, French doors & bi-fold doors are all tailor-made to your unique specifications. As craftsman specialising in capturing the finer details, we excel in manufacturing and installing your new replacement doors.

Sash Windows London Specialist

SJB Sash Windows is a family-run business specialising in the manufacture and installation of traditional timber sash windows & doors, serving the London area since 2001. Our range of products and services are designed to improve energy efficiency whilst maintaining curb appeal & architectural integrity.

We specialise in the manufacturing, installing and servicing of sash windows & doors. You can count on our expert and experienced staff to provide a trustworthy service that will go beyond your expectations. Whether you need new sash windows or your existing windows repairing we have exactly what you need at prices you can afford.

At SJB Sash Windows we cover all stages of sash window ownership, from installing or reinstating new sash windows through to repairing and replacing existing wooden sash windows. Your new sash windows and box frames are bespoke and manufactured to order. They are installed by our own specialists and are fully guaranteed for your peace of mind.

Projects we have completed

We’ve mastered our craft over many years of manufacturing & installing a wide range of
Sash, Casement, and Doors into a wide variety of homes.

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Windows Installed
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Doors Installed
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Homes Served
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Years Of Experience

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Our Affiliations

Window Styles

Door & Window Styles / Colours

Window & Door Styles
Single Colour Options
Dual Colour Options
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  • slider sash windows
  • slider sash windows

Why choose our windows?

Popular Types Of Uk Windows

Your Window, Your Way. Every Time

Our truly bespoke design, manufacture & installation service allows you to craft your own design from our wide range of colours & styles to compliment your home.

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Our Window Options

We’re a successful window company that provides traditional timber sash windows, UPVC sash windows, casement windows & doors. Double glazing and acoustic glass which is great for sound-proofing your home.

You can find more details about our sash window services by requesting a free quote. We offer timber sash window replacement, uPVC sash window replacement, casement window replacement, sash window draught-proofing, sash window repairs & sash window glazing.

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Overhaul & Draught Proofing

Overhauling & Draught proofing helps revive old windows so that they work as intended.

  • Replace broken or damaged sash cords.
  • Re-weight and balance your sash windows so that they run as intended.
  • Draught seal your windows to stop leaks and improve efficiency.

In order to draught proof or draught seal, we will seal gaps that have formed around your window and frame. If your windows are not draught proofed this may lead to dust, dirt, cold air and noise entering your home. Draught proofing also helps with the smooth running of your sash windows. It also means savings on energy bills by keeping the hot air in, and the cold air out in the cold months.

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Overhaul & Draught Proofing

Overhauling & Draught proofing helps revive old windows so that they work as intended.

  • Replace broken or damaged sash cords
  • Re-weight and balance your sash windows so that they run as intended
  • Draught seal your windows to stop leaks and improve efficiency.

In order to draught proof or draught seal, we will seal gaps that have formed around your window and frame. If your windows are not draught proofed this may lead to dust, dirt, cold air and noise entering your home. Draught proofing also helps with the smooth running of your sash windows. It also means savings on energy bills by keeping the hot air in, and the cold air out in the cold months.

Request a Free Quote

Upgrade Existing Windows To Double Glazed

You can upgrade your old sash or casement windows with double glazing to improve their energy efficiency.

Not only does it help reduce your energy bill, but double glazing also reduces noise pollution.
You can even add Acoustic Double Glazing to further improve your internal sound quality.

We only use materials of the highest quality and our years of experience means that premium quality doesn’t always mean a premium price. As a family-run business, we never compromise on quality & service.

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What Our Clients Say

Stephen with Sash Windows did very good work – was responsive to the first call and in giving the estimate, and scheduling. Prompt, efficient, fast workers but without losing good workmanship – so important! Careful with the wood surrounds. Cleaned up well after the work was completed. I could well recommend this firm. I had insulating strips installed.
London Customer
“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.”

Fantastic job, on time, on budget, great quality and nice to deal with, great looking double glazed sash windows in existing wood box frames.

London Customer
You will not be disappointed with SJB Sash Windows service. It is second to none.
Travel Daily
A new look to my house. My fantastic new windows have transformed my home.
D.N.
  • Sjb Sash Windows Ltd Installing Fitting & Repairs

  • Sjb Sash Windows Ltd Installing Fitting & Repairs

  • Sjb Sash Windows Ltd Installing Fitting & Repairs

  • SJB Sash Windows Ltd installing fitting & repairs

  • SJB Sash Windows Ltd installing fitting & repairs

Finance Options Available

We are one of a very small amount of limited companies in south London that allow you/ enable you to spread the cost of your beautiful new windows with finance. We’ve teamed up with Pegasus Finance a leading UK finance broker, helping our customers to take charge of their finances and spread the cost with their quick and easy five star rated loans, so that we can offer flexible and affordable finance options to those who would prefer to spread the cost.

Pegasus finance is an accredited stress-free way of securing finance for your windows. With no deposit required, you can receive a secure payout within just 24 hours.

We value your home as much as you do which is why we only use high-quality materials to get the finish that you desire and that your home deserves.

All of our quotes provided are bespoke to your individual requirements. With years of experience supplying and installing affordable, beautiful and home changing sash windows that don’t compromise on quality – We’re here to help you find and secure the best windows for you.

Our finance option customers are protected by Quality Assured National Warranties.

Our Affiliations