I currently have a suspended concrete slab balcony that is tiled. It's approx 7m * 3m and one long side and one short side have railings (the other 2 sides are the house walls). The balcony is one floor up.


The feet of the existing metal railings are set about 10cm in from the edge of the balcony - I assume they're screwed to, or either set into the concrete, and have been subsequentlty tiled around.


These railings are too low so I'd like to replace them - I would like to put in wooden posts (probably with stainless steel wire, but that's not overly relevant). I'm also going to retile the whole area.


I'll cut the existing railings off flush with the tiles, and install new fenceposts on the edge of the concrete slab (see this image - https://s-media-cache-ak0.pinimg.com...d7a22a71a9.jpg - for an idea of what I mean, just pretend it's the concrete slab that the uprights are attached to, not wood).


However, I'd much prefer the posts to appear to be 'within' the balcony, not right on it's edge (see see http://www.johnbridge.com/wp-content...itra-deck6.jpg as an example), and I'd also like for the balcony to have a 'clean' edge (ie the bottom of the uprights not visible) so that I can tile the edge.


Is there any reason that I couldn't bolt a length of wood on the outside of the uprights, put some ply across the gap, then tile across this gap and down the new edge. Overall I would have 'extended' the balcony by approx 150mm, but none of this area would be expected to take any weight as it's all under, or outside of, the new railing.


Obviously extending a balcony in this way and expecting it to be weight bearing would be asking for trouble. But what I'm wanting to do is cosmetic only, but would I be breaking any rules in doing this? Or are there better ways to achieve this?


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