loft hatch size

[smudgersmith]

I am looking to get a new drop down loft hatch but the size of my current hatch door is 660mm by 720 mm is this an unusual size as most seem smaller can anyone point me in the right direction please

 

[catlad]

http://www.keyliteroofwindows.com/loft-ladders I put some of these in recently and it was straight forward.

 

[RDoey]

I used http://www.keyliteroofwindows.com/loft-ladders, reasonably priced and very easy to install!

 

[skhudy]

The one in the given link looks like the Youngman Eco S Line which wickes and co also sell (rebadged) you can pick this up for £100 delivered on fleabay