If the blockage hasn’t been shifted, bail out as much water as possible and place a bucket under the plastic trap directly under the sink. Unscrew the plastic collars at both ends of the trap (a tea towel wrapped around the plastic will help give more grip).
Remove the trap and clean. There may also be hair or debris trapped in the plug hole so clean this at the same time.
Re-fit and run the taps to check the blockage is clear. If there is still a problem, check if the drain is blocked by lifting the nearest inspection cover to the sink. You will need a set of drain rods to unblock the drain.
If the problem is in the waste pipes inside the house, try unscrewing the trap and using a piece of flexible wire or a toilet auger to clear the pipe.
Flooring
How To Level A Floor
How To Screed A Floor
How To Sand A Floor
How To Remove Old Floor Tiles
How To Remove Old Floorboards
How To Fix Squeaky Floorboards
How To Lay Laminate Flooring
How To Tile A Floor
How To Lay A Wooden Floor
Plumbing & Heating
How To Fit Underfloor Heating
How To Fit A Radiator
How To Remove A Radiator
How To Bleed A Radiator
How To Fit A Thermostatic Valve
How To Drain A Plumbing System
How To Change A Tap Washer
How To Fit A Bathroom Sink
How To Replace A Tap
How To Unblock A Sink
How To Unblock A Drain
How To Unblock A Toilet
Garden
How To Set Fence Posts In Concrete
How To Erect A Fence
How To Lay A Patio
How To Lay Garden Decking
Tiling, Painting & Interior Decor
How To Fit A Dimmer Switch
How To Hang A Door
How To Remove Grout
How To Remove Tiles
How To Fit Wall Tiles
How To Grout Tiles
How To Seal Around A Basin
How To Plaster A Wall
How To Strip Paint
How To Strip Wallpaper
How To Prepare & Paint Interior Woodwork
More DIY
How To Build A Brick Wall
How To Wire A Plug Socket
How To Mix Concrete
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Tips on refreshing your home for Christmas, plus expert advice on common DIY jobs
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