
New & Replacement Doors- All Types of Doors Supplied Across Northern Ireland
We supply and install a range of doors in Derry and across the North West of Ireland. Our extensive product range includes PvcU, Timber, Aluminium and Alu-Clad styles, these suit all properties across Northern Ireland. Our bespoke service ensures we can offer a door specifically tailored to meet your requirements, what ever the type or style you might need. With such a large product range we have doors to suit all budgets and specifications with a wide choice of fabricate, product types and customisable options. All doors in our range have been selected for their high build quality and manufacturing standards, ensuring your new door will meet the strictest security and energy efficiency standards. We have experience in all types of installations from property renovations in conservation areas to passive house new builds regardless of the nature of your project we can work closely with you to achieve your exact requirements. All of the doors within our collection are available in a range of standard colours and woodgrain finishes, as well as many of our doors having the option to choose from a wide range of custom RAL colours. If you looking to open up a side of your home with one of our stunning slimline bifold doors or simply replace an old front door with something new our range is sure to have the perfect solution. A beautiful new front door can more the world of difference to your properties curb appeal.
Domestic & Commercial Doors -Choose in Material and style of your Doors

New UPVC Doors Supplied and Installed
- Highest-quality uPVC for durability and security
- Super thermally efficient, save money on your heating bills
- Extensive range, styles & colours to best suits your home
- Low Maintenance- 10-year warranty – ensuring your investment comes with complete peace of mind
UPVC Doors
Our uPVC double & triple glazing is available in a huge range of designs, colour & wood effect finishes, decorative glazing options & are all incredibly durable, low maintenance & energy efficient. Our windows are manufactured to the highest specification, each custom-built for your home and only ever using the very best quality products, so whether you have a traditional period cottage or a contemporary property, we will have a style to compliment your home!
Our UPVC doors are designed for long-life performance, to withstand the rigours of everyday use. Aside from being the focal point of any home the door provides two important functions. They must protect your home
against intruders and the elements. A wide range of styles and designs are available incorporating multi-point locking systems which are designed to prevent forced entry and also keep your home warm and dry.
uPVC external doors will add value to your home by transforming its appearance and instantly helping it to feel much more cosy. As one of the first style statements that visitors see when arriving at your property, it is essential to choose the right uPVC entrance doors if you want to create a good first impression.
uPVC doors don’t just keep the warmth in and the cold out – they can also give your home some much-needed kerb appeal.
Our system contain a unique compound with smooth gloss finish – guaranteeing they retain their pristine appearance. It also means they will never warp, rot or need painting.
The Benefits of uPVC Front & Back Doors
Our energy-efficient PVCU doors are made to to achieve the highest levels of thermal efficiency and weather performance, with an ‘A’ energy rating as standard. For maximum energy performance, select a 40mm panel and triple glazing, which can deliver a U-value as low as 0.8. Our high performance double and triple glazing also offers excellent insulation and noise reduction.
Multi-chambers within the door frame further increases the energy performance of the door by acting as a barrier to eliminate heat loss from the home ensures your home will be warmer and more economical to run. and saving you money on heating bills.
Our doors are constructed from PVCu outer-skins, rigid Styrofoam and layers of solid MDF, panels are offer excellent levels of strength, durability and impact-resistance. Ensuring that your door will retain its shape and form, will not rot or warp, and will require only the minimal amount of maintenance.
All our uPVC external doors are fitted with a PAS24 Police approved high security multipoint locking system and anti snap cylinder offering the utmost protection and safety for you, your family and your home. A premium security upgrade is also available to further enhance security features achieving the full Secured by Design specification.
Our uPVC external doors are approved by Secured By Design, meaning they boast the highest possible security features and could reduce the risk of burglary, with anti-bump, anti- drill, anti-pick and anti-snap Kite-marked cylinder lock barrels are fitted. For enhanced security, select a hook lock option. Hooks are situated at the top and bottom of the locking system.
Rest assured of the added security they provide, using multi shoot-bolt locks to create a reinforced barrier that’s operated by a simple-to-use handle. Having achieved the ‘Secured By Design’ seal of approval, they could also help to reduce the risk of burglary.
- Glass is internally glazed for extra security.
Stylish in appearance and guaranteed to give your home added kerb appeal, a new uPVC front door will increase the worth of your property.
Traditional Georgian and Victorian style to the ever increasingly popular modern and contemporary along with an extensive choice of secure door locks, hardware suites, standard colours and bespoke superior colours The composite door features a GRP compression moulded door skin and a timber wood grain effect with a Polyurethane thermally insulated core achieving an authentic timber door look.
We offer full and half panels in traditional and modern styles, with individual glass designs. The choice includes designs using Bevels, Sandblast, Resin and Lead, and designs which incorporate Georgian bar.
Double and triple glazed sealed units considerably reduce outdoor noise levels, allowing you to relax in the peace and quiet of your home.
Choose of Colour

Composite Doors Supplied and Installed
UPVC Composite Doors
The front door is an important focal point of your home and if you are enchanted with the traditional and classical aesthetics of a wooden door then look no further. Our range of composite doors with all the charm of a timber door leaving behind the daily wrestle of a swollen wooden door whilst benefiting from the quality and security of modern doors.

UPVC Front Doors Supplied and Installed
UPVC Front Doors
The front door is an important focal point of your home and if you are enchanted with the traditional and classical aesthetics of a wooden door then look no further. Our range of composite doors with all the charm of a timber door leaving behind the daily wrestle of a swollen wooden door whilst benefiting from the quality and security of modern doors.

UPVC UPVC Back Doors Doors Supplied and Installed
UPVC Back Doors

Sliding Patio Doors Supplied and Installed
Sliding Patio Doors
When you want to maximise your view of the outside and benefit from more natural light
within your home, our in-line sliding patio doors make the ideal solution.
Practical and versatile with a stunning classical appearance, they are a value-adding feature to your home whilst you enjoy the feeling of space, light and warmth.
70mm high performance frame system with steel reinforcing in frame.
Available in a range of styles and colours.
Double or triple glazing.

French Door Supplied and Installed
French doors are ideal for Extensions or conversions, they also sit well with a conservatory that leads onto your garden.
French Doors are fitted with Float/Soft Coat double glazing units, ensuring savings on home heating bills and reduced carbon emissions. Available with either double or triple glazing – allowing all the benefits that come with a French Door without having to compromise on energy efficiency.
high performance French doors are fitted with multi-point locking mechanisms, ensuring that both openings remain safely and securely fixed together when in their locked position. Restrictors are fitted as standard to all outward opening doors for additional safety.thermal performance
French Doors
Features & Benefits
Finish- Full 70mm System with Sculptured frame finish
Colours: Available in white, Oak, Rosewood, Mahogany, Black and cream as well as custom colour RAL match.
Glass: A range of thermally and energy efficient glazed units are available as well as safety Toughen glass and textured patterned glass.
Security: 8 Point locking system fitted as standard internally glazed for extra security.
Hardware: Available in chose of white, black, gold and dull silver and chrome silver.
Low Maintenance: Moving parts within the door require a little oil once or twice a year to ensure smooth opening. Frames and glass only need a gentle wash.

Aluminium Bio-Fold Patio Doors
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- Low Maintenance
Aluminium
Aluminium Doors Bring the outside in with our stunning range of panoramic bi-folding patio doors. These
doors offer market-leading aesthetics, engineering and value. With a choice of
designs and guaranteed high quality performance, they bring space, comfort and
low-maintenance luxury of modern day living.

Wooden Doors Supplied and Installed
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Wooden Doors
Wood has been the most reliable product for the window industry for centuries and whilst a lot of the wooden windows have now been replaced with upvc or aluminium, there is still a large demand for wooden windows. with modern seals and mechanisms the wooden window system is just as draught and weather proof as any other window product.
Why Choose APG for your Door installer in Derry
Having worked in the glass industry for well over 35 years we have a depth of knowledge that can help you in your home improvement of any size. we specialise in ALL ASPECTS of glass and glazing.
At All Purpose Glazing our ultimate goal is leaving all our customers more than satisfied. We ensure our glass is of the highest quality, meeting and exceeding all relevant Building and Energy rating regulations.
We supply and installs a wide variety of glass and glazing
services right across Northern Ireland.

From traditional casement windows to shaped frames; elegant vertical sliders to convenient and practical tilt and turn windows; super strong and high security double rebate composite doors to beautiful, outdoor living and space creating bi-folds, we offer a solution to every situation.
Every product is specially made to your requirements – size, style, colour, finish, configuration, ensuring customers get a world-class product that adds value to their home.
All our products are designed and manufactured to deliver superior energy efficiency, strength, durability and security, and come with unrivalled guarantees, giving you total peace of mind.
Visit us
Mon-Friday-8am-4:30pm
Call us
Mon-Friday-8am-4:30pm
+44 (0) 2871 357 555
Contact us
About us
One of Ireland oldest glaziers, A family run business with care for customers at the heart of our business. providing a comprehensive range of glass and glazing products, design and installation services; workshop facilities, as well as in-house installation and servicing teams. We are based in Derry City but have supplied and installed glass all over Ireland.
Our mission
Involved in all aspects of glazing, we are the region’s leading glazing provider. Our drive to provide great service is reflected in our work.
Our staff are all time served accredited glaziers with vast experience to ensure that every job is completed to the highest standard. Your staff are here to help with any glass or glazing enquiry you may have.
Our offer
- Care & Attention To Our Customers
- Full Range of Glass Stock & Glazing Services
- Cost Effective Experienced Trade Supplier
We pride ourselves on our excellent reputation, which is built on always supplying the highest quality, made-to-measure products, installed by specialist installers and all managed by a helpful, friendly and organised customer service team.