DRAFTY WINDOWS? NEED A NEW FRONT DOOR? CALL US TODAY FOR FREE QUOTATION 01795 602145
DRAFTY WINDOWS? NEED A NEW FRONT DOOR? CALL US TODAY FOR FREE QUOTATION 01795 602145
With our composite front doors, you won’t have to compromise style for security and thermal efficiency, because you can have it all! We offer a diverse range of stunning styles in composite doors, from traditional options to more modern designs, ensuring there is a style for every taste in your home.
Our composite front doors come with a 10-year manufacturer's warranty for complete peace of mind. Each door is equipped with high security features, including the ULTION 3-Star Cylinder for maximum protection and is Secured By Design PAS24 Police Approved, combined with a multi-point locking mechanism. Additionally, all our thermal efficiency composite doors feature HYBRID REINFORCEMENT anti-bowing technology, consisting of a steel reinforced outer frame and aluminum edge carrier as standard, ensuring your door will never bow or warp over time.


Inside every high security composite door, including the Ultion 3 and 3 PLUS door locks, is an additional hidden lock, providing another layer of protection against intruders. Encased inside a solid molybdenum core and secured with a dedicated retaining pin, this lock is triggered when signs of forced entry are detected, activating LockDown Mode™. Once activated, your home and family are safe, enhancing the security of your thermal efficiency composite doors.

Inside every high security composite door, including the Ultion 3 and 3 PLUS door locks, is an additional hidden lock, providing another layer of protection against intruders. Encased inside a solid molybdenum core and secured with a dedicated retaining pin, this lock is triggered when signs of forced entry are detected, activating LockDo
Inside every high security composite door, including the Ultion 3 and 3 PLUS door locks, is an additional hidden lock, providing another layer of protection against intruders. Encased inside a solid molybdenum core and secured with a dedicated retaining pin, this lock is triggered when signs of forced entry are detected, activating LockDown Mode™. Once activated, your home and family are safe, enhancing the security of your thermal efficiency composite doors.

When the approved bodies recognise that the ULTION 3 STAR PLUS is the industry's choice for door cylinder security, you can trust that your high security composite doors will keep your home safe and secure! This is why we exclusively use this top-tier high security door cylinder with our composite front doors, ensuring maximum protection and enhancing the thermal efficiency of your home.

The Ultion 3 Plus Cylinder boasts an incredible suite of security features designed to protect your home, especially when paired with high security composite doors, against major attacks on your door. If a burglar snaps Ultion and breaks into your home, you will receive a £2000 security guarantee, ensuring peace of mind for your investment in thermal efficiency composite doors.






Inside every high security composite door, including the Ultion 3 and 3 PLUS door locks, is an additional hidden lock, providing another layer of protection against intruders. Encased inside a solid molybdenum core and secured with a dedicated retaining pin, this lock is triggered when signs of forced entry are detected, activating LockDown Mode™. Once activated, your home and family are safe, enhancing the security of your thermal efficiency composite doors.





Inside every high security composite door, including the Ultion 3 and 3 PLUS door locks, is an additional hidden lock, providing another layer of protection against intruders. Encased inside a solid molybdenum core and secured with a dedicated retaining pin, this lock is triggered when signs of forced entry are detected, activating LockDown Mode™. Once activated, your home and family are safe, enhancing the security of your thermal efficiency composite doors.

When the approved bodies recognise that the ULTION 3 STAR PLUS is the industry's choice for door cylinder security, you can trust that your high security composite doors will keep your home safe and secure! This is why we exclusively use this top-tier high security door cylinder with our composite front doors, ensuring maximum protection and enhancing the thermal efficiency of your home.

The Ultion 3 Plus Cylinder boasts an incredible suite of security features designed to protect your home, especially when paired with high security composite doors, against major attacks on your door. If a burglar snaps Ultion and breaks into your home, you will receive a £2000 security guarantee, ensuring peace of mind for your investment in thermal efficiency composite doors.

Inside every high security composite door, including the Ultion 3 and 3 PLUS door locks, is an additional hidden lock, providing another layer of protection against intruders. Encased inside a solid molybdenum core and secured with a dedicated retaining pin, this lock is triggered when signs of forced entry are detected, activating LockDown Mode™. Once activated, your home and family are safe, enhancing the security of your thermal efficiency composite doors.

When the approved bodies recognise that the ULTION 3 STAR PLUS is the industry's choice for door cylinder security, you can trust that your high security composite doors will keep your home safe and secure! This is why we exclusively use this top-tier high security door cylinder with our composite front doors, ensuring maximum protection and enhancing the thermal efficiency of your home.

As a family-owned independent company, we take great pride in our dedication to the double glazing industry. Our commitment to high standards and our reputation is paramount for ensuring long-term stability and trust, particularly when it comes to our products like high security composite doors and thermal efficiency composite doors. Most importantly, we prioritize exceptional customer aftercare.
When purchasing new windows or doors, such as high security composite doors or thermal efficiency composite doors, you want to be confident you are dealing with the right company! Southern Windows & Doors have been vetted and approved by TRUSTATRADER, ASSURE CERTIFICATION, IW, and KENT TRADING STANDARDS.
We are an Assure-certified company, so you can be confident that the installation of our high security composite doors complies with building regulations, ensuring everything is legal and correct. You’ll receive your certification within 28 days once the installation is registered with the local building control authority, giving you peace of mind about the thermal efficiency composite doors we offer.
All our installations of high security composite doors and thermal efficiency composite doors are covered by Assure Certification insurance-backed workmanship and a deposit protection guarantee. This provides the highest level of cover and complete peace of mind to our customers. The guarantee is also transferable to new homeowners.
We will replace any of the following against warping, cracking, or discoloration in door components such as locking mechanisms or door handles. This also includes Double glazed sealed units from unit failure, all covered for a 10* year period from the date of installation. Our high security composite doors and thermal efficiency composite doors ensure durability and performance in your home.
We only employ our highly skilled installation team, which has been observed, assessed, and accredited by Assure Certification. This ensures our customers have the reassurance that their installation of high security composite doors and thermal efficiency composite doors will be performed professionally and to the highest standards.
Studio 1, IslandWorks, Dockyard Church, Garrison Road Sheerness Kent ME12 1ED
OFFICE NO:01795 602145 EMAIL: office@southernwindowsdoors.co.uk