Rainfall & ground movement
Harrow gets a fair amount of rain — the Met Office puts it at around 700mm annually. That level of precipitation pushes groundwater levels up, which can make existing plumbing problems worse. If your system's already got a weakness, you're looking at a higher risk of leaks and water damage. At Tavora Plumber, our plumbers carry out thorough inspections to spot any vulnerabilities before they become costly, making sure everything's up to the Water Regulations (BS EN 806) and giving you a clear, detailed report of what we've found. If you've got concerns about your plumbing in London, we're here to help.
Building Regulations & compliance
In Harrow, all plumbing work must comply with the Building Regulations, which require either local authority sign-off or certification by a registered competent person. It's a straightforward requirement, but one that's easy to overlook. Tavora follows a strict compliance process — our plumbers carry out backflow prevention testing and issue an annual compliance certificate, so you can be confident your plumbing system is safe and up to code.
Pipe & material suitability
The predominant materials in Harrow's plumbing systems are lead and galvanised steel tubing. These can corrode over time, causing water safety concerns and pressure problems. Tavora recommends replacing old galvanised tubing with PEX or copper, both of which comply with BS EN 1057 standards. Our plumbers assess your existing plumbing and put together a detailed replacement plan, keeping your water supply safe and efficient while taking your boiler's performance into account.
Local housing stock
Harrow's housing stock includes a fair proportion of flats and maisonettes, which can make plumbing access tricky due to shared infrastructure. Tree root intrusion is a common problem, particularly in older properties built around 1940. Left unchecked, it leads to blockages and serious damage to sewer lines. Our plumbers assess your plumbing layout and fit effective root barriers where needed, keeping your system running properly and compliant with local regulations.