Welcome to Kenricks, your trusted partner in window and door hardware solutions. With a legacy of excellence, we offer a wide range of products, including high-security locking mechanisms, durable castors and elegant furniture accessories. Established in 1791, our commitment to quality ensures that every product exceeds industry standards, providing you with unparalleled security and style.
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SDL Glass & Glazing Limited
SDL Glass & Glazing Ltd in Essex supplies and or installs high quality and reliable aluminium and PVC double glazing window installation. We cater to both commercial and residential buildings.
You can also rely on us to provide superior quality Composite doors, Bi-folding doorsets, French doors, Patio doors and ancillary products.
SDL Glass & Glazing Ltd supply, design and install a range of quality conservatories. You can discuss your specifications with us so we can ensure your conservatory suits your needs.
Get in touch with SDL Glass and Glazing Ltd for all your windows, doors and conservatory services across Essex. We will be happy to help you with all your requirements.
GGF September Edition – Industry Growth, New Partnerships & Training Updates

As summer winds down, we’re excited to share the latest updates from across the GGF community in the Summer Edition of the Glazing Journal.
This issue highlights our new partnership with The Joinery Network, supporting timber window and door manufacturers through technical guidance and collaboration. We also reflect on the successful acquisition of ACDM, strengthening our technical offering and uniting expertise across the sector.
This issue highlights our new partnership with The Joinery Network, supporting timber window and door manufacturers through technical guidance and collaboration. We also reflect on the successful acquisition of ACDM, strengthening our technical offering and uniting expertise across the sector.
We celebrate a fantastic FIT Show, where our stand was buzzing with energy, and we welcomed 55 new members this year. Plus, we share insights from our Member Survey, which is helping shape future services, events, and benefits—including a 10% discount on BFRC testing.
You’ll also find updates on our new Online Learning Platform, offering CPD-certified courses and flexible training options, and a spotlight on GG Glass’s work at Tower Bridge, showcasing excellence in engineering and maintenance.
Click here to Download your exclusive Members-only copy of the Glazing JournalÂ
Thank you for being part of the GGF. We look forward to seeing you at our upcoming events!
Kind regards,
Ben Wallace
N&P Windows Limited
We supply and install an extensive range of technically advanced PVCu products.
For over 40 years we’ve not only supplied windows, doors and conservatories for over 40,000 householders like you but for major local, Hertfordshire businesses too. We understand the requirements of the trade installer, small builder, local authorities and home owners and it is through this understanding that we can provide better products and a commitment to quality and service.
From double glazing to new doors and stunning conservatories, Hertfordshire residents and businesses like you already trust us.
Island Windows & The Plastics Depot Limited
Island Windows is a premier provider of high-quality windows, doors, and conservatories based in Sandown, Isle of Wight. We specialise in both residential and commercial projects, partnering with building contractors, architects, and private clients to deliver exceptional results.
Our commitment to energy efficiency and reliability sets us apart, ensuring every installation meets the highest standards of quality and performance.
Our comprehensive product range includes:
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- Premium composite doors
- Aluminum and PVCu windows and doors
- High-performance glazing systems
- Architectural glazing and cladding
- Conservatories
- Balconies and balustrades
- Professional roofline products and roofing system
Cornwall Glass & Glazing Limited
Cornwall Glass Yeovil, formerly Yeovil Glass and Window Centre, offers the latest innovative glass solutions for PVCu & Aluminium Windows, Doors and Conservatories alongside local installation and glazing repairs.
Servicing Commercial, Trade and Domestic customers in South Somerset, Dorset and Wiltshire. We are FENSA registered and members of the Plastic Window Federation, offering a 10 year guarantee to all our customers on our windows.
Trademark Windows Limited
30 YEARS OF REPUTABLE SERVICE
At TradeMark, we have been proudly providing local homeowners throughout Berkshire, Hampshire & Surrey with quality home improvements for over 30 years. From replacement windows and doors, to designing and installing bespoke conservatories and orangeries that will dramatically change your home and how you use it, we have the experience, expertise and products to ensure you can get exactly what you want.
N & C Glass Limited
N & C Glass Ltd has been established in Ely for more than 35 years. We are well-respected throughout the region. We are a double glazing and construction company that can provide our customers with new and replacement windows, doors, conservatories and extensions.
We’re also always willing to help our customers with advice, surveys and free quotations . We will consider any project. N&C Glass Ltd. provides a complete, professional package from our headquarters in Ely.
PAS 24 Consultation: Enhanced Security Performance Requirements for Doorsets and Windows in the UK
In April, a PAS 24 Enhanced security consultation went live, and the proposed changes aim to address new methods of break I n that target door cylinders.
There are some changes to the wording that require more information and checks on the finished products also included in the consultation.
This becomes an important factor for all fabricators when we consider the expected extension to scope for Approved Document Q – Security in Dwellings that will, in the near future, look to include domestic replacement product within its scope.
This Product Assessment Specification specifies test methods and acceptance criteria relevant to the enhanced security performance of doorsets and windows, intended to resist attack normally associated with the casual or opportunistic burglar. It is applicable to doorsets and windows listed in a) and b) below. Standard loading cases for use with Annex B and Annex C have been prepared for the following products.
a) Windows: singular and multilight:
- top hung, side hung, bottom hung, butt hinged;
- top and side hung projected;
- top hung and side hung fully reversible;
- tilt and turn and turn and tilt;
- vertical and horizontal sliding;
- fixed and fixed casements (dummy vents);
- parallel opening;
- double opening (French windows);
- vertical and horizontal pivot.
b)Â Â Â Doorsets:
- single and double leaf;
- single and double swing;
- hinged;
- sliding (single and multi-track);
- pivot;
- folding sliding (single and multi-track);
- stable;
- with or without integral side panels and fanlights.
The date for closing remarks is the 8th of June. You are able to do so on the ‘Standards Development Portal’ on the BSI website, via the button below.
The GGF Technical team have created a document with further information. Please click the button below to view or download.
Instructions on how to respond to the consultation are contained within the presentation summary as well as detail about the requirements of Approved Document Q.
Advice on ventilation when replacing windows
Need to replace windows in your home? It’s important to consider your property’s ventilation requirements when selecting new windows.
Modern replacement windows are built to ever increasing standards of performance – providing the homeowner with increasing levels of thermal insulation and almost eliminating draughts.
However, every house into which these products may be fitted is different and ventilation of the building is an important feature of performance that should be considered when choosing replacement windows.
Your home needs to breathe
When the windows or doors in a home are replaced, Building Regulations require that the levels of ventilation throughout the home not be made worse. This applies to both background and purge (rapid) ventilation.
If trickle ventilators are not fitted in the existing windows or there is no other means of background ventilation, it is good practice to review the ventilation requirements of your home when you are considering replacement windows.
Ways to ventilate your home
Ventilation opportunities which exist to ventilate your home include:
- Trickle ventilators fitted in the window frame
- Stack ventilation
- Bespoke ventilation systems
- Wall mounted ventilators
- Heat recovery fan units
- Night vent locking systems
Trickle ventilators and night vent locking systems are the easier methods for providing ventilation when replacing windows.
Where security is an issue or draughts will be a problem night vent locking systems are not recommended.
Benefits of adequate home ventilation
The advantages of properly ventilating your home include:
- Fresh air can enter your property and stale air can escape keeping the indoor atmosphere healthier.
- Potentially harmful airborne pollutants such as emissions from cleaning products, flooring and furnishings can escape from your home.
- Odours and water vapour from cooking, washing, and bathing can be reduced.
- There is likely to be a reduction in condensation and mould, which could reduce damage to your décor and reduce potential health problems for asthma and allergy sufferers.
- Some ventilation systems can be left open to allow ventilation at night or while you are away from home
Controllable ventilation
Some ventilation systems are designed to be controllable, and these have the following additional advantages:
- You can decide how much, or how little, air flow you need. Controls should be accessible and, if required, there are several remote control options available – ask your installer for details.
- If you live in a noisier location, near a busy road, airport or industrial site, trickle ventilators allow you to ventilate your home without opening the windows, this can make a reduction on the impact of noise.
- If you already have a problem with condensation in colder weather, or the air in any rooms, particularly bedrooms, does not seem as fresh as you would like – fitting new windows without suitable ventilation may make the problem worse.
A healthier home
Good ventilation in the home can ensure that the air is kept fresh inside your home, giving a healthy living environment, which is particularly important for the very young, the elderly or the infirm.
This can be most easily achieved simply by opening your windows for a short period of time.
For more information about replacing windows, get in touch with a local GGF Member company.
Repairing surface damage to glass windows, doors and conservatories
In most cases surface damage to glass can be repaired, making this a viable alternative to replacement in certain situations.
Damage to the surface of glass in windows, doors and conservatories can impair its visual quality, performance and appearance.
While in some cases it may be necessary to replace damaged glass, in many scenarios surface damage to glass around the home can be repaired by a glass repair specialist.
Common causes of surface damage to glass
Scratches
These can be caused by hard or sharp objects either accidentally or maliciously applied and may result in failure if left untreated.
Graffiti
This may be etched into the surface or applied using paint or indelible ink which, if removed incorrectly, could damage the glass surface.
Airborne contamination
Organic materials (such as bird droppings) and inorganic materials (such as road film), or a combination of the two, may have an abrasive effect on the glass surface causing a drop in visual quality.
Building contamination
This could occur as a result of building run-off or sealant leakage which has a subsequent effect on the glass surface.
How surface damage is repaired
The process of repair involves the removal of a minimal amount of the glass surface in order to rectify the defect, without impairing the visual quality.
In some cases the severity of the surface damage may make repair impractical – this would normally be advised during the initial survey.
In exceptional circumstances an unacceptable level of distortion may only become evident during or after treatment. In these instances replacement would be advised.
When to repair and when to replace?
In many cases, replacing the damaged glass in a window, door or conservatory may be the most economical option.
However, there will be situations where a replacement would be far more expensive than repair, e.g. a large landing window. In these cases, having the surface damage repaired can be a time saving and cost effective solution.
If you are unsure whether to repair glass or replace it, talk to a glass repair specialist who will survey the damage and offer a quote.
It is worth bearing in mind that the environmental impact of repair is significantly less than that of replacement.
Why use a GGF Member company?
The Glass and Glazing Federation represents companies who make, supply and/or fit, glass and glazing products in the UK and internationally.
As the voice of the industry, the GGF promotes best practice and sets the highest technical and health & safety standards. The GGF is wholly committed to the development of glass repair technology and to constantly improving the standards in this sector.
For more information about repairing damaged glass, get in touch with a local GGF Member company.
Window Film: Frequently Asked Questions
What is window film?
Window film is a base of clear polyester that is either dyed, extruded or metallised. It is applied to the internal or external surface of glass windows or doors, and has a range of benefits including reducing heat and glare from the sun, increasing comfort and security and minimising energy usage.
Can I install it myself?
Although it is possible for a practical person to install standard window film, an experienced technician is recommended. Apart from ensuring an acceptable aesthetic finish, you can benefit from a full warranty, typically 10 years.
Will it stop my conservatory overheating?
The use of a high-performance window film will dramatically reduce overheating, making the conservatory a much more comfortable environment.
Is window film 100% secure?
Window films are not bulletproof, blast proof or burglar proof. However, they can provide a greater level of safety and security when used for these purposes. You should always ask for the appropriate certification when using window film for these reasons.
How do I maintain window film?
Window film should be cleaned in a similar way to glass, using a soapy water solution and squeegee. Abrasives of any type should be avoided as these will damage the film surface and affect visual quality.
Do I need planning permission?
No, planning permission is not normally required to apply window film.
Does window film improve both U and G values?
Yes, window film will improve both the heat gain and heat loss properties of the glazing system.
For more advice about window film and other glazing home improvements, contact a GGF Member company near you.
Gallagher’s Windows, Doors and Conservatories Limited
Welcome to Gallaghers Windows, Doors & Conservatories Ltd, we are one of Milton Keynes oldest established independent replacement windows, doors and conservatory companies where we have over 25 years experience of installing beautiful double glazing in and around the Milton Keynes, Northampton and Bedford area, which includes PVCu – aluminium – timber windows, doors and conservatories. Throughout the time, we have gained an exceptional reputation for providing fast, reliable and efficient customer service. We use only the most reputable manufacturers for our double glazing products which have all the relevant kite marks and accreditations which are installed by our in house fully trained installation teams. We provide double glazing in Milton Keynes and the surrounding areas, however we will go further if called upon.
98% of homes are losing energy through underperforming windows

UK homes have been branded the leakiest in Western Europe when it comes to heat loss, and new data reveals that if almost all (98%) of the UKs windows were installed today, they wouldn’t be up to standard.
In fact, our latest research found that UK homes are three times less efficient than those in Germany, with more than a fifth (24%) of a home’s heat energy being lost through old, draughty windows.
With winter fast approaching and the cost of living crisis rumbling on, it’s more important than ever for Brits to look for ways to improve their home’s energy efficiency.
This is especially true given National Energy Agency estimates that 6.6 million households are currently in fuel poverty, unable to afford to heat their homes to the temperature needed to keep warm and healthy.
UK homeowners need help understanding what they can do to save both money and energy, so actionable advice is essential.
Making upgrades to homes which help to prevent heat from escaping through walls, windows and doors can make a real difference. Plus, these changes could help homeowners save hundreds of pounds each year, lightening the burden of energy bills while simultaneously contributing to a greener environment.
The money saving potential of making fabric first upgrades at home, such as replacing windows or further insulating walls, should really not be overlooked and replacing windows should be front and centre of future energy efficiency schemes. Recent research really drives this home, suggesting that the annual cost saving from replacing pre-2002 windows with current standards could reach a massive £4.1 billion.
SJB Sash Windows Specialist Limited
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.
Conwy Valley Windows & Conservatories Limited
We are innovators and experts in the design and installation of PVCu or wooden double-glazed and triple-glazed windows, PVCu Bi-folding and composite doors, bespoke conservatories, orangeries, sunrooms, porches and PVCu rooflines. Conwy Valley Windows and Conservatories Limited have proudly provided home improvement products and services to the people of North Wales and Cheshire, and have over 100 years’ experience within the team. Find out more about us.
Urban Windows (Bristol) Limited
We’re a Bristol based, Family-run Business with over 35 years experience.​
We aim to measure, manufacture, design & fit the best Windows, Doors or Conservatories for you and your Home.
You will rest assured knowing our Double Glazed Windows are constructed from Quality materials and accompanied by a Warranty
GHI Windows
Based in Weybridge & Epsom, Surrey, GHI Windows are one of the most established and well-respected home improvement businesses since 2002. We supply a range of exceptional double glazing windows, sliding doors, flat roof lanterns and roofline to customers in Weybridge and the surrounding areas.
As your local glazing company for 18 years, we pride ourselves on our excellent customer service. Our family-run business thrives on traditional values giving every customer a personal service. We have a team of expert design consultants and installers that have several years of experience, who will provide you with the expertise you need.
Our impressive portfolio of products are available to a wide spectrum of properties. You can rest assured that you’ll find a double glazed product that works best for you and your property. We work with leading manufacturers including Residence 9, REHAU, Origin, Schücho, AluK, Endurance, Arkay and Smart.
We Do Windows Limited
<p>We Do Windows started as a Plymouth based, family-run business specialising in replacing steamed up, faulty or damaged double glazing. By just replacing the glass and not the frames, we can offer customers substantial savings in comparison to other double glazing companies. We pride ourselves on our customer service; </p>
<p>offering friendly and professional advice without any hard sell and always work tidily and respectfully in your home.</p>
<p>By offering an extensive range of double glazing repairs including; locks, hinges, handles, seals, cat flaps and more, we can provide a reliable and cost effective solution to all your window and door problems.</p>
The Window Doctor
Welcome to The Window Doctor, your window and door repair specialists.
With over 30 years in the industry, The Window Doctor Care & Repair Service has established itself as one of the leading window repair and installation companies across Leicestershire and Nuneaton.
BAP Glass & Maintenance
B.A.P Glass have a team of expert glaziers specialising in uPVC windows, doors, double glazing, shop fronts and emergency glazing services.
The window hub.co.uk
An independent replacement upvc & aluminium window & door installation company.
Evander Glazing & Locks Ltd
As the UK’s leading specialist in emergency glazing, lock replacement and door repair services, Evander carries out around 95,000 property visits each year across residential, commercial and public sector properties. With more than 300 directly employed professionals operating from 15 regional service centres, we deliver fast, expert support nationwide, often attending within hours.
Our core services include:
- – 24/7 emergency response for glazing, lockouts, boarding and make-safe situations
- – Glass repair and replacement, including single, double, triple and acoustic glazing
- – Lock replacement and security upgrades for windows and doors
- – Commercial glazing and door solutions, including shopfronts, offices and more
- – Noise insulating solutions, featuring our specialist QuietVue range
- – Insurance services, from initial emergency call-outs to full reinstatement and reporting
- – Repair and fitting of windows and doors in uPVC, aluminium and timber
All work is delivered to high industry standards and backed by FENSA accreditation and ISO 9001 certification. With over 50 years of experience, Evander is trusted by insurers, homeowners and businesses nationwide.
Evander Glazing & Locks Ltd
As the UK’s leading specialist in emergency glazing, lock replacement and door repair services, Evander carries out around 95,000 property visits each year across residential, commercial and public sector properties. With more than 300 directly employed professionals operating from 15 regional service centres, we deliver fast, expert support nationwide, often attending within hours.
Our core services include:
- – 24/7 emergency response for glazing, lockouts, boarding and make-safe situations
- – Glass repair and replacement, including single, double, triple and acoustic glazing
- – Lock replacement and security upgrades for windows and doors
- – Commercial glazing and door solutions, including shopfronts, offices and more
- – Noise insulating solutions, featuring our specialist QuietVue range
- – Insurance services, from initial emergency call-outs to full reinstatement and reporting
- – Repair and fitting of windows and doors in uPVC, aluminium and timber
All work is delivered to high industry standards and backed by FENSA accreditation and ISO 9001 certification. With over 50 years of experience, Evander is trusted by insurers, homeowners and businesses nationwide.