T: 020 8150 7153

Contact London Sash Windows & Doors Ltd

We are experts in replacement sash windows, casement windows and doors for commercial and residential clients alike. Whether we’re working on contemporary or heritage properties, our bespoke units are manufactured right here at our workshop in North London.

Phone: 0208 8150 7153
Address: 3 Wedmore Street, Archway, London, N19 4RU
Opening hours:
Monday to Friday: 08.30 – 17.00

Frequently asked questions

Frequently asked questions

No, new windows are generally not required as we can provide an upgrade service where the existing window/door frame is kept and we only replace the moving sections.

We generally use Sapele, which is a very good natural hardwood. We also have a Engineered Redwood range available as well as Accoya and other timbers.

We offer a 10 year warranty.

Only if the window/door is completely replaced in an existing opening with no changes as set out by FENSA.

All of London postcodes but we sometimes travel to other areas of the country for regular customers.

Lead times are generally between 10-14 weeks year round but please ask for an up-to-date lead time.

We are in North London and have a few small workshops. Our office address is just off of the Holloway Road, but this is not manned.

Yes, we do as part of our overhaul and draught-proofing service. We can carry these out separately but this is not as cost effective.

Yes, we carry a full range of insurance in the unlikely event of requiring them.


Yes, we work with small and medium builders on a weekly basis.