Wonky wall - windowsill placement

[konsta819]

I'm due to fit some window sills under a pair of windows in our (old-ish) house. The wall that the windows are fitted to bows outwards slightly towards the middle. There is a radiator that spans the width of the windows which (naturally) does not bow outwards.

I'm trying to decide whether I should make the window sills straight to the radiator, or straight to the windows themselves. If I do the former, the windowsills will be somewhat trapezoidal, and the horns on the will be deeper in the middle than on the outside corners. But the gap between windowsill and radiator will even out and be nice and straight. If I do the latter, my concern is that the windowsills will accentuate the bowed character of the wall by providing two lines that converge to the deepest part of the bow. Given that I will have white windowsills against a coloured wall, I'm concerned this would stand out.

The attached diagram is slightly exaggerated, but hopefully demonstrates the conundrum. The true dimensions are something like 8cm from centre of window space to radiator, and 2cm from outside corners of window to radiator. So if I do option (a), the horns would be quite significantly different in depth (though the outside ones will be concealed by the gathered curtains).

Thoughts appreciated!

 

[yorksbuilder]

If the radiator is straight, it would probably look best to make the windowsill the same

 

[Harry Bloomfield]

So if I do option (a), the horns would be quite significantly different in depth (though the outside ones will be concealed by the gathered curtains).

Option c - change the single radiator for two, joined in the middle.

 

[Scally-Ho]

Option c - change the single radiator for two, joined in the middle.

OR, have a new rad bent to match the curve of the window wall. Then form a curved window board to match.

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[konsta819]

Option c - change the single radiator for two, joined in the middle.

Thank you. The wall is only slightly (to use the plasterer's term) "p|ssed", so we're not quite in the realm of bending radiators. I have a lovely one of those in a bay window elsewhere in the house, but in this situation, you would just be looking at a slightly malformed radiator.

 

[mrrusty]

When doing any jobs the old adage is "if it looks right, it is right". It is amazing what deviations from square/perpendicular you can get away with if there is nothing to draw the eye to the deviation. Make the front edge straight and ignore the back edge of the cill - no-one will notice