London based company specialising in the replacement and repair of traditional, timber-framed Sash windows and doors.

Windows

At Box Sash London Joinery, we offer top class service for your windows; Installation, Restoration, Glass Glazing.
VIEW WINDOWS
Draught Proofing & Repairs

Full draught proofing with the highest quality materials. Protect your home noise, heat loss & pollution.
VIEW REPAIRS
Doors & Joinery

Box Sash London Joinery balances precision and superior craftsmanship to provide you with the finest quality construction.
VIEW DOORS

Request a call back

Double Glazed Windows

Without compromising on appearance.

View Double Glazed

Emergency Window Repairs

Broken SASH CORDS, BROKEN GLASS REPAIRED IN 24 HOURS CALL 7 DAYS A WEEK ON 0208 800 3118.

Speak to Our Team

Our Services

Window Installation

All windows and doors are professionally fitted to precision accuracy and adhering to all building and health and safety regulations.

We are registered members of FENSA protection scheme for homeowners in England and Wales.

Restoration

Box Sash London Joinery specializes in the restoration of sash windows so you get a fantastic appeal with windows that look just like new. We offer a choice of timber sash window refurbishment and restoration services.

Glass / Glazing

We have the knowledge and expertise to provide you with the perfect solution to suit your needs.

Secondary glazing is great for noise reduction, in keeping with existing windows, and bespoke design solutions

Joinery - Doors

Designed and manufactured to the same high quality standard as our windows, our doors come in several varieties including timber doors, french doors, timber folding doors, PVCU doors and aluminium bi-folding doors

Joinery - Windows

Box Sash London Joinery balances precision and superior craftsmanship to provide you with the finest quality timber construction.

We offer frames, linings and casings, panelling and moulding, beading and lipping, door stops, weatherbars and accessories.

Draught Proofing

We use premium quality materials and draught excluders for draught proofing your sash windows, improving your home’s energy efficiency.

Repairs

We offer many services for sash window repairs including rebalancing of sash windows, replacement of cords, replacement of old and flaking putty, replacement of rotten parts of the frame, and more.

Read About Our Team

If you’re looking for someone to refurbish your traditional timber sash windows, don’t just pick any old window installers. We’ve been restoring sash windows to their former glory in the London for almost 25 years, and take pride in bringing your tired, worn out sash windows back to life.

When you employ Box Sash London Joinery, you are benefitting from nearly 30 years of experience in carpentry, joinery and glazing work.

Throughout this time both our Head office and workshops are based in North London, and open 6 days a week Monday to Friday and 7-5 on Saturday 8-2.

Homeowner protection for all work carried out

Box Sash London Joinery are registered members of FENSA and GGFi, the homeowners protection body for Double Glazing in England and Wales. We also fully guarantee all work we undertake on your property for complete peace of mind.

Box Sash London Joinery range of services