This is a guide of what a wall and railing would be using a standard UK brick. They start at 4 bricks between piers and then go up in half brick intervals. This might help if you are starting with a blank canvas and thinking of having a brick and iron boundary fence. These are all based on a standard 215mm UK brick with a nominal 10mm mortar joint. Actual size will vary depend on brick layer, as some seem to favour larger brick joints. This would increase the size of the railing slightly. What you might notice is the sizes commonly advertised on the internet are not useful sizes.

Each wall example has a railing drawn based on fixed space type with 100mm gaps between bars with 12mm uprights. This gives a guide to how many bars would be in the railing. This does allow you to see the upright bar count, based on wall size. It is a good basis for designing you own railing design pattern.

With 4 bricks between piers, this gives a railing size of 910mm, depending on mortar joint sizes. There are 8 upright bars, a centre gap rather than a centre bar.

4 and half bricks, should give an opening size of 1022mm with 9 uprights in the railing.

1135mm gap

1247mm railing size

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