Modus Flush Sash Windows

Eurocell Modus uPVC windows revolutionized the window industry with the UK’s first fully integrated flush sash window system. Modus windows look like timber, with all the low maintenance of uPVC windows.

Modus windows and doors simply look stunning, offering high performance and fantastic value for money. The sleek modern design of Modus timber alternative windows is available in a choice of slim sash or standard sash. Modus is the perfect window for period properties and can be complimented with traditional monkey tail handles. The Modus windows and doors can also look equally stunning in a modern home.

Modus windows have the lowest u values than any other uPVC window on the market making your home more energy efficient.

Crafted and finished by hand

We carefully craft our Modus window range to create a high quality alternative to timber. We finish every frame by hand so the homeowner gets the most enjoyment from their new windows and you get a very satisfied customer.

We firmly believe Modus is the best alternative to timber and aluminium windows on the market, which is why we fabricate and recommend Eurocell Modus flush sash windows to all customers. Modus uPVC windows are fully accredited by the British Board of Agreement (BBA).

  • A and A+ Energy Rated with U-values as low as 0.7
  • Nine solid and woodgrain colour options
  • 12 year profile system guarantee
  • High security multipoint locking as standard
  • Easy to fit and bead


Modus uPVC flush sash timber alternative windows offer more colour choices with nine shades all on a white base as standard. With a complete colour range from Black Ash to Irish Oak, Cream to Rosewood our Modus flush sash windows will have you covered for whatever colour your customer wants.


White Ash


Irish Oak

Light Oak



Black Ash

Colour Chart

Download your free colour chart online

Energy Efficiency

Modus flush sash windows deliver industry leading energy efficiency. An A Rating for energy efficiency can be achieved with cost effective glass units and you can offer customers an A+ energy rating with Modus with double glazing. 44mm triple glazing can be chosen which exceeds Passivhaus standards of thermal performance with U-values as low as 0.7W/m2K.


Modus PVCu flush sash windows are complemented with a stunning range of handle options in a wide range of finishes, suited to our door handle and hinge range so everything matches perfectly.


Modus uPVC flush sash windows and slim sash windows are Secured by Design, so achieving the latest Document Q Building Regulations for security in new dwellings comes as standard when you use the correct glass unit.

Our revolutionary window locking system features bi-directional locking, sets of opposing double bolts fully secure the sash and act as anti-lift to give a smoother operation.

Download your
uPVC window brochure

Download your free uPVC Window guide, here you find a whole range of colours, hardware options and lots more.