Slimline Steel Replacement Windows & Doors
An excellent aluminium replacement for traditional steel windows and doors in a range of colours.
ATTENTION TO DETAIL
Our aluminium slimline steel replacement Windows and Doors are is manufactured to replicate the appearance of traditional steel windows and “crittal” style windows. (Please not we do not supply the Crittall brand). Beautifully designed with close attention to detail ensures that you would be hard pressed to notice the difference from steel windows and our aluminium replacements. The likeness to steel windows is accentuated by the similar looking joints which replicate traditional items & demonstrates the attention to detail in the manufacture of our slimline steel replacement windows.
Our very popular Alitherm slimline aluminium steel replacement doors and windows replicate the sleeker look of some traditional steel windows and retain the traditional style of your original heritage windows – even french door styles can be replicated. Our steel replacement windows and doors can be used externally, or internally as room dividers.
PERSONALISATION
Why not personalise your new aluminium steel replacement doors and windows with a choice of over 200 RAL colours, and we offer 12 stock colours for no additional cost – please ask for more details. Twin colours are also available to suit your desired look. We also provide a bespoke range of heritage handles, please ask for more details, or why not pop into our Brasted showroom to view our full range of windows & doors on display.
Should you wish to discuss your extention or refurbishment project with one of our experts, please do not hesitate to call us or complete a quote request online. All of our steel replacement & replica window and door products are on display in our Brasted showroom – easy access from Kent, Surrey and Sussex. We also provide Free onsite consultations & no obligation quotations. Friendly, unbiased, expert advice.
‘Aluminium Provides the Contemporary Art-Deco Look home owners are looking for in a replacement steel window or door.’
Why choose slimline steel replacement windows made of aluminium?

- Low U Values + excellent thermal efficiency
- Slim sightlines
- Low maintenance
- Over 200 RAL colours to choose from + stock colours
- Complies with modern Building Regulations.