As concrete batching plants across the nation stand idle, and brickies count the cost of lost earnings, construction schemes in their early stages are clocking up lost time. This is when trad construction loses out to off-site fabrication, or when those schemes that started early enough to have finished the building envelope can struggle on. If the suburban trains were working, obv, which they don't seem able to do. You'd be surprised how many construction workers in London are dependent on public transport.
Yesterday the office emptied by stealth as I was on a long phone call. When I started the call, full office. When I looked around as I replaced the handset, empty office. They'll get some stick this morning.