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Brentford sits where the Grand Union Canal meets the Thames, and in the lower-lying parts of TW8 groundwater can be close to the surface.
Brentford has seen a lot of redevelopment, with apartment blocks along the canal, the dock and the riverfront. Their drainage is modern, but in low-lying waterside buildings some of it sits close to the level of the water nearby. Pumped drainage, non-return valves and attenuation tanks are common in these buildings, and they need maintaining. A pump station serving a residential block is not something anyone thinks about until it stops.
A high water table also affects older pipework. An open or displaced joint below the water table takes groundwater in as well as letting wastewater out, so the drain runs part-full and silts up, which a CCTV drain survey can confirm. Away from the water, the older property around the High Street and Boston Manor is conventional Victorian and Edwardian clay, and building work nearby can disturb an old drain that has worked for decades.
Low-lying buildings often rely on pumps and non-return valves, which need servicing before they fail.
A high water table can push water into drains through open joints, leaving them part-full and silting up.
Nearby building work can disturb Victorian pipework that had been stable for decades.
This page covers Brentford (TW8) and the streets around it. If your postcode is on the edge of this area, call and ask rather than assuming.
Call and speak to the engineer. 24 hours a day, including tonight.
Sinks, toilets, gullies and main drains cleared, with the cause identified rather than guessed.
Overflowing gullies and blocked manholes or inspection chambers, cleared and explained.
Toilets that will not flush, or that fill up and will not drain, cleared without damaging the pan or the soil pipe.
Kitchen sinks and waste pipes blocked with grease, cleared properly rather than just poked through.
Standing water in the bath or shower tray, and slow bathroom basins, cleared at the cause.
Sewage backing up, drains overflowing, or a home or business you cannot use until it is fixed. Phone answered 24/7.
Scours grease, silt, scale and roots off the pipe wall, rather than just making a hole through the blockage.
See the inside of the pipe: recurring blockages, pre-purchase checks, insurance and subsidence claims.
Cracked joints, root damage and collapsed sections, repaired without digging where the pipe allows.
Restaurants, pubs, offices, landlords and managing agents: planned maintenance and out-of-hours call-outs.
Leaks, taps, traps, toilet cisterns and waste pipes: the plumbing that often comes with a drainage job.
Common questions about drainage in Brentford, answered for the kind of property you find there.
Normally the freeholder or managing agent through the service charge, since it serves the whole building. It is worth asking when it was last serviced, because many waterside blocks depend on pumped drainage and non-return valves, and those need regular servicing.
That usually points to groundwater. Near the river and canal the water table can be high, and where a joint has opened below it the drain takes water in continuously, runs part-full, loses the flow that keeps it clean, and silts up. Clearing it again will not help; finding the defect will.
Call and speak to the engineer, 24 hours a day, including tonight.
