
FS Group clears blocked drains across North London, from Islington and Camden to Tottenham, Finchley and Enfield. Toilets, sinks, outside gullies and manholes, day or night.

Family-run since 1998

On call day and night

Call 0800 689 3497













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Why FS Group
Our engineers clear blocked drains across North London every day. They work from Kentish Town and Holloway to Wood Green, Southgate and Barnet. Most jobs are a toilet, a sink or an outside gully. Bigger blockages sit in a manhole or a pipe shared with the house next door. We find the blockage, clear it and test the flow. If the pipe itself is damaged, the camera shows you before anything else is booked.
Weekdays from 8am to 6pm, a standard unblock is charged per half hour. Ring first and you learn the rate before an engineer leaves.
See all our ratesJordan did a fantastic job - we live in an old Victoria house with no apparent man hole. Jordan managed to unblock. Very professional. Highly recommend.
Cleared a blockage in our external drain and Mitch was really efficient and helpful. And discovered another 6 houses were blocked down our street. Thank you so much for your help.
George of Fs was amazing - was more than equipped for clearing a blocked sink which is now back to normal; ridding us of the remaining sewage left as other neighbours in the building also reported a drainage issue. Mr Stewart
A guy called Jordan came over an hour after I booked, really friendly and helpful. Worked quickly and efficiently to sort out a difficult blockage, with annoying old drains covered with concrete slabs. Kept me updated on progress and costs the whole time. Really solid service.
Cleared my blocked drain right through to the soil stack. He not only reconnected all the pipework I'd taken apart before I called him out but also tested for leaks before he left. I have no hestitation in recommending this firm to you.
Jordan visited our flat to unblock a very clogged kitchen sink which had been causing us problems for a week. He was professional, knowledgeable and fixed the issue quickly, giving us advice on how to prevent the same issue in future. 5 star service!
Where we work
The neighbourhoods we visit most for blocked drains, by borough, with their postcodes.
Postcode not shown? Ring the help desk and they will check it for you.
Drain ownership
N, NW1, NW5 and EN postcodesMost blockages we clear here start in old clay pipes under Victorian terraces and their back yards.
Who we work for
In a Tottenham terrace or a Southgate semi, the camera shows you the blockage when the cause is unclear.
Converted houses in Crouch End and Kentish Town often share one drain. We note which flat the blockage starts from, with photos for your records.
About CCTV surveysRestaurants and cafés can book drain clearing before opening or after closing. With a Priority Account, a business gets quicker attendance and contract rates.
About Priority AccountsHow it works
Phone 0800 689 3497 and say which drain is backing up. Or leave your number and we call back within 15 minutes.
You are told the price per half hour on the phone, before anyone is sent to your address.
When the drain runs freely, the engineer tests it. The work carries a six-month guarantee, T&Cs apply.




What we see most
Wet wipes and nappies do not break down in water. They catch in the first bend and stop the toilet.
Clay pipes under Victorian houses have mortar joints that crack. Waste catches on the lip and builds up.
Many terraces drain the kitchen, the bath and the roof into one yard gully. Silt and grease settle there first.
Fat poured down a sink sets hard in the cold pipe. Over months it narrows the drain to a trickle.
Plane trees line many streets here. In autumn their leaves wash into open gullies and stop the water.
When the lowest flat in a converted house floods first, the blockage usually sits below it in the shared stack.
Ring the help desk at any hour and an engineer is booked to you.