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What makes our front/back doors special

We have been manufacturing double glazed doors for over 30 years, our secret of success is striving for the highest quality using the best materials.

Door designs

Because we manufacture your doors in our own factory we are not restricted to supplier design limitations, so we can tailor your doors to your needs, please use our unique on-line UPVC door designer.
Side panels/lights will be manufactured separately to the door including a free reinforced 15mm coupler for added strength.

Energy Efficiency (Approved Document L Compliant)

A new door from Modern UPVC Windows will make a real difference in the winter and help to reduce your home's energy bills, minimising heat loss. On glazed doors the special coating on each pane reflects the heat back into the room. We use the same argon filled sealed glass units as on our A+ rated windows.

Standard High Ingenious Security (see video)

Our doors have high security built in. As standard an exceptionally strong Ingenious 5-point security lock with hookbolts that complies with PAS 24 standard. Our doors are internally beaded, the glass or panels can only be removed from the inside.

Ultion cylinder lock upgrade

A superb 11 pin security cylinder, with a £1000 break-in guarantee from Ultion. More information

Low Threshold upgrade

Superb Stormguard™ aluminium low threshold, with or without wheelchair ramps. Non-slip surface ensures a safe grip in wet conditions. Thermally broken to meet thermal bridging and insulation requirements. Supplied with end caps.
Complies with Part M of the building regulations when used with the ramps.


All of our door panels have MDF reinforcement to increase both energy efficiency and security.

Door profiles - Now with Heritage 2800 profile

Our profile is made in Britain by Deceuninck, one of the leading profile extruders in the country. We use the new Heritage 2800 profile with an attractive sculptured finish. It's visually quite similar to our previous Optima profile.

Glass (Approved Document N Compliant)

We use the same sealed glass units that we use in our A+ rated windows comprising of:

  • Inner pane – Pilkington KS
  • Outer pane – Pilkington Optiwhite
  • Gas filling – Argon Gas
  • Spacer bar – SuperSpacer
  • Thickness – 28mm or 40mm for triple glazing
  • U-value – from 0.70 to 1.22  

Toughened glass is supplied in all areas except top lights to meet current building regulations (Approved Document N). All toughened glass is approved to Kitemark: BS 12150.
In addition, you may also add Georgian bar, Square lead or Diamond lead decoration to your glass.

Triple glazing

For even higher energy efficiency, we also manufacture triple glazed doors. Using the same advanced glass specification as our double glazed windows, with an extra pane of energy efficient Pilkington KS glass, and a thinner glass bead without increasing the frame thickness while increasing the glass pane thickness to 40mm.

Other hardware & Ancillaries

Our handles, hinges, letterplates and other parts are of extremely high quality, sourced from reputable companies.


Our new Heritage 2800 door frames can be ordered in beautiful authentic 'wood like' finishes in an amazing array of 30 colours and combinations. For zoomed up photos of all colours just choose a door and at the designer click on "Frame colour".


We have invested heavily in our machinery to ensure both accuracy and a high quality finish. Our quality control system ensures that each door leaves our factory to the highest standard.

Comprehensive Guarantee

Frames: Heritage 2800 window and door frames whether in flat white or woodgrain/textured coloured laminated PVC-u are guaranteed for 10 years. This warranty is in respect of colour stability, shape retention and impact strength retention.
Sealed glass units: 10 years against condensation inside the unit.
Moving hardware (locks, hinges, handles, etc): 1 year against failure in operation.
Internal blinds: 5 years, 2 years for external mechanism.
UPVC panels: 5 years.
Astragal bars: 2 years.

To price a door just click on UPVC doors on our home page!