External Soil Pipe & Underground Sewage

So a new sewer pipe was installed last week, replacing the old line which sat below the outside sink. Here was the old iron pipe:

The new pipe with AJ, apologies for the quality:

Entering the new period soil pipe assembly:

The elbow is now straighter than shown and installed flush in the render, more pics soon:

And just some quick pictures of the original gas lighting pipes. These were located in the ground floor rear room ceiling: