G.A.S Joinery & Glazing is a part of G.A.S Locksmiths Ltd specializing in the supply and installation of windows, doors and conservatory solutions. We are committed to excellence and as such we work with a number of reputable vendors to ensure all of our products pass your seal of approval. We offer a number of services such as window and door installation, lock repair, void property services and extensions.

Our Products

Rockdoor Black


Black Origin Bi-Fold Doors

Bi-Fold Doors

G.A.S offers uPVC doors

uPVC Doors

Composite Door

Patio Doors

Tilt & Turn Windows

White Bay Windows

Bay Windows







Roof Lantern

Roof Lanterns

Lock Repair

Lock Repair


Void Property Services

Extreme Doors

Distinction Doors

FENSA registration number

FENSA Approved

FENSA is a government-authorised scheme that monitors building regulation compliance for replacement windows and doors. Every FENSA Approved Installer, from large national brands to small local companies, is assessed regularly to ensure its standards are continually maintained.


G.A.S Black Door

We have a variety of door solutions which combine visual appeal with rock solid security. Our suppliers include Rockdoor, Origin & HomeFrame and as such we are confident in the engineering which goes into each system. Whether you are looking for front doors, back doors, patio doors or bi-fold doors then look no further.


You can choose from a variety of styles from popular casement windows, traditional sash windows and tilt & turns. All windows that we offer benefit from high levels of security and thermal efficiency you and your family safe and warm. Furthermore you can be assured that materials and products used are market leading.

G.A.S White Windows


G.A.S conservatories, orangeries and roof lanterns

There are a number of extensions that are available such as conservatories, orangeries and roof lanterns which are thermal efficient, strong and visually beautiful. There are a number of styles available that provide aesthetics that you can be proud of.

supplier logo list 1
supplier list 2
supplier list 3

When ordering home improvement services we understand that not everyone may be able to pay up-front however we can offer finance so that you can have maximum flexibility. Above all, by increasing your payment options we believe that more homeowners can improve their properties no matter their current situation.

Secured By Design Logo

All products that we use are secured by design certified. Secured by Design is a police crime prevention initiative which aims to act as a recommended standard for security products. The scheme has led to an overall reduction in property crime of 60% since 1989. The principles of the initiative has been proven to reduce risk of crime as well as fear of crime.

We have a store on eBay which has hundreds of products on display with highly competitive prices and trusted by the community, you can be sure that you will find what your looking for

Our Address:

1 Goldfinch Close,



L26 7ZZ

Get In Touch

  • g.a.s_locksmiths@live.co.uk
  • Tel: 01514877525
  • Mob: 07724900994