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French Doors - specification

Adjust the Size of the Door to match your own measurements

Entering your measurements

This Step of the processes allows you to submit the sizes , in Millimetres (mm), that you would like the door manufactured to.

red arrow Width




Please change the size of the door to match your own measurements. Click on any size (Shown in millimetres) which appears with either a red arrow above them or just with as numerals with a blue line through (See above).

Current minimum

Amend each size as required, within any minimum or maximum production sizes allowed, which may appear highlighted in a black text box (See above)  


If you enter any size which is above or below the current maximum or minimum a text box will appear (See above).

Certain sizes will be automatically calculated based on other size information shown for each door. These appear as white numerals in a red text box (See above)  


Cill included?

The sizes confirmed will always include any Cill


Manufacturing  and measurement tolerances

Our manufacturing works within tolerances of 2-3mm.


Please ensure the sizes you provide are not tight brickwork opening sizes as your new door may not fit, always allow a tolerance of about minus 10mm in the width and minus 10mm in the height. (Reduce size further if your opening is not square, out of level or has protruding bricks as your new door must be installed square, level and plumb).

We will always assume :

  • The normal width for a side opening sash is 600mm, this is measured from the edge of the outer frame to the centre of the mullion (vertical bar). Exceptions: If the door divides into equal parts of less than 650mm (divided by mullions) then your side opener will be set at an equal division. However, if you specify egress hinges it will revert to a 650mm wide section. If you specify easy clean hinges it will revert to a 600mm wide section.
  • The normal height of a fanlight sash is 360mm, this is measured from the top of the frame to the centre of the transom (horizontal bar). Georgian bar, diamond and rectangular lead will be laid out according to our best practice.


Need Help?

If you are having any problems or have any questions about the door you want to order please call our Sales Department on 01234 272 445

Doors are available in either WHITE or WOODGRAIN effect.

White Profile

We use 100% virgin PVCu to prevent discolouration and keep your doors looking nice and white.


Woodgrain Effects


Wood Grain
Lined Woodgrain
(We don't use a lined wood grain pattern like this)

Rosewood Profile
(We use a realistic looking
finish like this)

Our Woodgrain finish doors (made from PVCu, not timber) feature attractive whorl effects for a more realistic wood appearance than the fake looking lined wood grain pattern that many others often use. This means you get the beautiful look of wood without all the maintenance
rosewood.jpg Rosewood gives a natural and beautiful wood look without all of the maintenance.
rosewood_on_white.jpg Rosewood on White features our attractive wood effect on the outside while keeping a mordern white interior.
light_oak_on_white.jpg Golden Oak on White features a lighter woodgrain effect on the outside while keeping a modern white interior. Previously known as Light Oak on White.
Anthracite_Grey_on_White.jpg Anthracite Grey on White features a lighter more stylish effect on the outside while keeping a modern white interior – please allow an additional 5 working days for delivery


You can choose to either have your French doors so that they open outwards, for example into your garden, or so that the doors open inwards into your home. This may depend on whether or not you have enough room outside or on the inside to accommodate for the doors to open.

The master door is the main door with the handle on, that that will open first.

The master door is the main door with the handle on, that that will open first.

Style of side panels

A door cill sits at the bottom of the exterior door frame to aid the drainage of water away from the door and house. The depth of cill needed will depend on how far back your door is set into the wall.

Low ThresholdLow Threshold
(Available at extra cost)

A low level aluminium threshold, which means that there is less for you to step over as you enter the door. This gives easier access, making it ideal on wider doors for wheelchair users.

If a low threshold is required on the french door that is having side panel (s) the french door and side panel (s) will be made as separate units.

(Note: no external cill will be provided when this option is selected)

stub cill

Stub cill

A stub cill sits within the window cavity and is typically used when a cill is required to breach a gap between the new window and an existing structural cill. The stub cill can be placed to allow water to flow down on to the other surface that will drain the water away from the building.


150mm cill150mm cill

The 150mm cill is the most popular option for windows set approx 25 mm back from the brick face.



180mm cill180mm cill

A 180mm cill is typically used for windows that are set further back from the brick face, approx 50mm.



If the door has a cill as part of the structure of the house, eg. a stone or brick cill, you may not require a cill as there may already be sufficient means of drainage in place.

If you select to include an external Cill as part of your door order, it will be automatically included in the overall height of your door.

If a low threshold is required on the door - no cill can be supplied.

150mm and 180mm include Cill End Caps. Stub Cills do not need them and so they are not included.

Our door handles are secured internally to prevent them being removed from the outside. The locking system works by pulling up the handle to activate the mechanism before turning the key, and pushing down to open. Doors are supplied with white handles, as standard, or for a more modern look you can opt for either gold or chrome handles, at an extra cost.

White handle

White Door Handle
(Supplied as standard)

Gold handle

Gold Door Handle
(Available at extra cost)

Chrome handle

Chrome Door Handle
(Available at extra cost)



Standard Handle (Lever/Lever)

The standard locking mechanism is a Lever/Lever which allows you to open the door using the handle from inside and outside, if you wish to not be able to open the door using the handle from the outside and instead have to use a key then please select the split-spindle mechanism as described below (available at extra cost).


Split Spindle (Lever/Pad)

With a split spindle the locking mechanism works differently on the inside and outside of the house. The handle works as normal from the inside - push down to open, and lift up to activate the mechanism before turning the key. From the outside, pushing down on the handle does not operate anything and the door is always partly locked when it is closed. This means that a key is always needed when entering from the outside.




A handle for the slave door will make opening both doors much easier, as the handle will operate the shoot bolts holding the slave door closed. Without a handle, these shoot bolts are finger bolts operated manually at the top and the bottom.

Having two handles also improves the aesthetics, meaning the handle is mirrored.

Thumb Turn Cylinder

Standard Cylinder

The normal cylinder enables you to key lock/unlock your door from inside and outside. If you wish to unlock/lock your door without a key on the inside select a thumb-turn cylinder as described below (available at extra cost).

Anti Bump Lock

Anti Bump Cylinder
(Available at extra cost)


The Increased security lock that we sell is the answer to two growing forms of door cylinder attack, ‘Lock Snapping’ and ‘Lock Bumping’. Both are recognised by the Police and Master Locksmiths association as an increasing crime problem.

The patented anti-snapping system deters burglars far in excess of the requirements of PAS023/024 the current UK door security standard. The lock is also Secured By Design, an official Police crime reduction initiative.

To combat ‘Lock Bumping’ where a specially adapted key can be used to simply ‘bump’ open the lock, it has a patented and Kitemark approved anti ‘bump’ mechanism. This system lasts as long as the door it is fitted to.

Just  fit and forget!

  • The lock will fit any current multipoint lock and can be adapted to suit BS3621 cylinders locks where required.
  • No special door handles need to be used, giving complete customer choice.
  • The lock doesn’t rely on the door handles for its anti snap function, in fact the lock will exceed the requirements of PAS024 clause A 11 without the handle fitted!
  • Matched with a high quality European manufactured cylinder, this locks anti-snap pins and guard are more than a match for any potential intruder.

This lock offers a complete solution to Euro cylinder security in one cost effective and easy to fit product. One bolt fixing and you’re protected!

Thumb-turn CylinderThumb-Turn Cylinder
(Available at extra cost)

The thumb-turn cylinder acts like a built in key that removes the need for a key when locking/unlocking from the inside. This makes it easier and more convenient to open the door as there's no more hunting around for a key. Naturally, a key is still needed on the outside to maintain security.




Tricle VentTrickle Vent
(Available at extra cost)

Trickle vents allow you to control ventilation and air circulation, helping to reduce condensation and mould. They provide you with a small amount of fresh air into the building without letting a lot of heat escape.



Add detail or decoration to give your windows an attractive or traditional appearance with the optional feature of Georgian Bars or Leadwork. Georgian bar, diamond and rectangular lead will be laid out according to our best practice.

Georgian Bars
(Available at extra cost)

The Georgian bars are fitted inside the sealed glass unit to make it easier for you to clean the window without the difficulty of having to work around the bars.


Rectangular Leading
(Available at extra cost)

Diamond Leading
(Available at extra cost)

Leading is available in either a rectangular or diamond shaped pattern for a beautiful and traditional looking finish.




Obscure Glass
(Available at extra cost)

Add an element of privacy with the option of obscure glass.




The fixing pack is very, very competitively priced, contains most items needed for installation of windows/doors into standard masonry, you'll probably need these anyway and you'll save £££'s over buying from a DIY store. The pack contains:

* 1 tube of Silicone (Silicone is for external use only)* 10 fixing bolts* 1 masonry drill bit