Blocked drain in Knebworth? Get it unblocked FAST!
By charging a simple fixed price for our domestic drain unblocking services across Knebworth, you know exactly what you will pay for that blocked toilet, drain or sinks. Our Knebworth all-in price includes jetting and all the required time. Fast expert and great value premium services guaranteed.
We are the premier drainage service provider for Knebworth businesses. Commercial clients can always rely on us for great value for money drainage services. Our highly skilled Knebworth drainage teams use the latest equipment to efficiently deliver the very best service and prices to local businesses.

9.76 out of 10


Reviews are the most vital tool to help us understand how we are doing in Knebworth. They also help when there are enough to form a substantial mass and give consumers in Knebworth a guide about if you should be employing them. Weigh up our many reviews and see why you should trust and why.

Knebworth Blocked Drain Clearance, Cleaning & Repair
Hertfordshire, SG3


This is what we do to solve your Knebworth drainage problems:
- Arrive promptly.
- Clear the troublesome blockage,
- Charge the price quoted,
Job done!
Is your Knebworth property served by a septic tank or a sewage treatment plant?
If so, are you aware of all the Knebworth area environmental and building regulations?
More importantly, do you know if your Knebworth system is compliant with the new regulatory reform called the Small Sewage Discharge General Binding Rules?
Click the button to find out more...
This is why we are the Knebworth #1 favourite drain contractor, our reviews say it all!
We are customer driven, undertake quality drainage works, always at a great price anywhere through Hertfordshire, simply because we care!
Whilst Knebworth drain clearance is not the world's most glamorous job, we think it’s important, no job is too big or too small.
We offer fantastic fixed price Knebworth drain service so we take out any worry about the price. Our reviews confirm you are dealing with the good guys.
What some of our Knebworth drainage customers say about us ‘’Very impressed. Arrived at the house within 2 hours of us placing the initial call. Could not have been more helpful. We would not hesitate to call again and will recommend to friends.” and they also say “Brilliant! On Time. Very quick and tidy.” and further “Excellent!”
We are proud to say all of our reviews are independently verified.
Customer driven plus great price and service...

Main drain was completely blocked
"I called them in the morning. The person who answered was extremely nice, knowledgeable and helpful. An appointment was booked for that same afternoon. The engineer called 45mn before arriving and was right on time. He was very nice, polite and did a great job. They all made the costs very clear all along. My problem was solved, there no surprises with the price which was perfectly justified. I will definitely call them again if I have a problem again."
Had a really bad block in my drain effecting washing machine and boiler
"Amazing experience. Fast, knowledgeable and efficient. Called them at 12 pm they were here by 3pm... here 30 mins and problem sorted Very experienced and good value Thank you. "
Blocked kitchen drain
"The amazing reviews of Happy Drains seem well warranted. Our experience was beyond excellent. Fantastic customer service, friendly, efficient and effective service. Had someone with us in less than an hour. Fixed issue, and cleaned up, then even checked an upstairs sink for us too. Ours was a small job yet I felt like a valued customer from the first call. I cant really recommend highly enough."
Drain clearance, unblock.
"Fast and efficent service. Whole team from start were great. Would recomend and definately use again. And for the job they had to do was a very reasnoble price! I personaly am very grateful.!"
Knebworth SG3 emergency blocked drain clearance, cleaning & repair. Fast service assured in Hertfordshire. |

Call 01727 227960
or our office mobile
07824 757572
All Knebworth CCTV surveys include our state of the art Drainify reporting software. Check out the demo:
Buying, selling, moving or building in Knebworth?
The sort of problems we can find in Knebworth drains and sewers include.
- Root penetration through joints
- Displaced, dropped or open joints
Our trained Knebworth drainage operatives quickly and accurately diagnose and code the Knebworth drain defects using the latest industry standard drain CCTV surveying equipment and reporting software. Our technical reports identify and pinpoint all the relevant findings and Knebworth drainage problems. All our reports are easy to understand, complete with colour stills and recommendations.
House Pre-Purchase Report: We undertake a fixed price Knebworth home buyer CCTV drain survey. In Knebworth SG3 we include in our price technical reports that show any defects, with a quotation for any remedial repairs required.
Repair Works
From minor localised pin point repairs to the complete overhaul of a Knebworth drainage system, we have the expertise and equipment to carry out the works professionally and efficiently using ‘no dig’ and ‘excavation’ techniques.
Re-lining isn’t suitable for every application, so where necessary we are equipped to carry out traditional excavation methods for drainage repair or replacement. Whatever the chosen option it will represent the best value option available to save time and money.
Drainage experts to clear Knebworth blockages quickly
Not only that but at a great price, efficiently & safely.
All it takes is a couple of clicks or just one phone call to our friendly team member. Skilled and trained to deal with all Knebworth SG3 drainage and WC blockage problems.
Normally the vast majority of Hertfordshire blockages are solved in one visit using electro-mechanical machinery and high pressure jetting.
The best bit is that electro-mechanical machinery and high pressure jetting is included in the price.
“Brilliant! On Time. Very quick and tidy.” and there's more...

Drain clearing
"Cleared the blocked pipe and flushed through cleaned around the drain, helpful and pleasant,would certainly recommend."
Toilet Unblocking
"Very happy with Luke's work! He provided a clear explanation regarding the cause of the blockage and advice on how to avoid it happening again. Even cleared up after himself! Would use Happy Drains again! "
Very effective service
"They worked quickly and efficiently to solve the issue with our drains, explaining what they had observed and offering advice to avoid future issues. We were extremely happy with the service provided and would definitely recommend Happy Drains Newbury."
Blocked Drain
"Very quick and no fuss. Damien showed up on time and had all the equipment needed. Sink functioning in less than an hour. Highly recommend."

Unblocked a gullley drain
"The man was extremely calm and cheerful and went out of his way, even in pouring rain to clear my drain. I had limited access as the neighbour had built an extension over the manhole, but it didn't phase him and he completed the job."
Perfect Service
"Martin was very helpful and unblocked our back garden drain in no time. He was very professional and mindful of the house, he didn't leave a mess and was gone within half hour. Couldn't be happier!"
Cleared blocked drain
"Was on time - phoned when on the way - and did the job professionally "
Recent Blog Posts...
In or near Knebworth, SG3, Hertfordshire, the following drainage problems could benefit from a Knebworth CCTV drain survey...
Failed or broken soakaways in SG3
Bellied drain in Knebworth
Collapsed drain in Hertfordshire
Cracked or leaking Knebworth drains and pipes
Deformed pipework in Hertfordshire
Broken or blocked Knebworth sewers or sewage pipes
Bellied pipework in Hertfordshire
Tree roots damaging drains in SG3
Blocked Knebworth toilets and blocked Knebworth showers
Fractured drain in Knebworth
Overflowing or blocked Knebworth drain pipes
Knebworth CCTV-controlled cutting problem
Blocked or broken Knebworth drains
Build-up of fat, grease, or detergent in Knebworth drains
French drainage problems in SG3
Longitudinal cracking in Knebworth drains
Problems with shared Knebworth drains
Ditch drainage problems in Hertfordshire
Cutting out tree root mass from Knebworth drains
Land drainage problems in Hertfordshire
Concrete, cement or builders’ rubble in Knebworth drain
Overflowing or leaking Knebworth septic tanks & cesspits
Knebworth pitch fibre pipework problems
Clogged or broken pipes in Knebworth
Joint displacements in Knebworth pipes and drains
Bad smells in Hertfordshire
Water level problems in SG3
Ground movement causing Knebworth drain problems
Vehicle activity affecting drains in Hertfordshire
We use selected local professionals in the Knebworth SG3 area.
This ensures a fast CCTV drain and sewer inspection & survey in Hertfordshire.
Knebworth and Hertfordshire drain services from a firm receiving great feedback...

Blocked domestic manhole
"From the moment I picked up the phone to contact someone about the blockage to the work completed the service was exceptional. Kelly knew what work I would need doing with my frantic explanation and calmly and professionally advised she would contact me back with an update. 10 minutes later I was told I could have an engineer in as little as 2 hours. The engineer arrived promptly. Professional, friendly service carried out with honest and transparent future care advice. Was able to easily Apple Pay an hour later for service following my invoice. No hidden fees. Cost was as advised. Very happy."
Waist water drain blocked
"The whole experience was 1st class. They did everything they said they. Jason was very friendly and polite. "
Drain and sewer clearance
"Realised I had a problem when had to almost swim to the car. Thought I was covered by B Gas Homecare but I wasn't. Called out Happy Drains, competitive price, friendly and helpful on the phone. Turned up when they said they would. Quickly assessed the situation and cleared the sewer. Cleaned up and left. Staff were friendly and polite. I couldn't ask for more, would recommend them "
Call 01727 227960
or our office mobile
07824 757572
All Knebworth CCTV surveys include our state of the art Drainify reporting software. Check out the demo: