Finding the run, and finding the manhole somebody paved over.
£225 fixed · no call-out fee · 7 days, 8am–8pm
In the older parts of WA1 the drainage grew rather than was designed, and after a century of extensions, yards, patios and driveways, the record of where it goes is frequently nowhere at all. Before anyone builds, digs, or starts a conversation with the neighbours, it is worth establishing the actual layout.