Blocked drain in Clapham? Get it unblocked FAST!
By using highly trained local engineers with years of experience, we can promise you that we will get that Clapham drain unblocked in no time at all. We offer a fixed price for Clapham households, so you can't be caught out by hidden fees, that's why we're number one in Clapham for blocked drains!
Attention all Clapham businesses with drainage problems — we are ready and waiting for your call. We are known for delivering the best value for money, & top business customer satisfaction levels. We aim to provide all our Clapham business customers with the very best value and service in Clapham. Whatever the problem, we will solve it.

9.76 out of 10


Authentic experiences shared by our customers in and beyond Clapham. That ensures we always listen and are always focused on the right things. Trust is the cornerstone of any trade relationship. Trust in us by our customers is paramount, our priority, we love happy customers.

Clapham Blocked Drain Unblock & Repair
Greater London, SW4


We love to clearClapham blocked drains.
In Clapham SW4 and Greater London, we unblock drains because it is what we do best. We always deliver great service in and around Clapham, and we always try tofix it first time.
Happy Drains is the right place, with the right people for unequalled service and best prices. All with no quibble, fixed charges for householders!
Occasionally some drains can begin to drain slowly, gurgle or completely block. This is often due to a build-up of soap sludge, oils and detritus, eventually over time this starts to back up in the pipework. Blockages can also be caused by the strangest and most surprising objects that have been accidentally flushed down a toilet. There are, of course, drainage problems that can be caused by structural defects and root ingressas well.
Whatever the problem is, in and around Clapham, we have the know-how to deal with it, quickly and professionally.
With over 25-years of consistent and dependable service in Clapham SW4 and Greater London, we are here to help.
Our reviews show that our customers know we are the best choice, when you need fast and trustworthy serviceatvery reasonable prices. With expert technicians in Clapham SW4 and Greater London, who are ready to deal with all types of drainage issues.
Many happy customers...

Drain clearance
"I called Happy Drains to attend to an overflowing drain manhole in our front drive. Their response on the telephone was prompt, courteous and helpful. Their engineer arrived slightly earlier than arranged, after telephoning to confirm that this would be acceptable. He fixed the problem in less than 30 minutes, and checked that everything was satisfactory before leaving. "
Clearing out storm drains on sunken patio
"Very pleased. Harry arrived and assessed problem. Very honest and told me he could only guarantee a 50% sucess rate. On completion he seemed as happy as I was that the issue was resolved. Lovely personable guy. Thanks"
Blocked Drains
"I had a blockage in my sinks. I called Happy Drains and they were able to arrange for one of their team to visit me that very same day. The team were very knowledgeable, identifying the issue straight away. They fixed the blockage very quickly. All in all a great service and would highly recommend."
Blocked drain
"Excellent problem-solving solution for a tricky drainage issue "
Clapham SW4 emergency blocked drain clearance, cleaning & repair. Fast service assured in Greater London. |

Call 020 7870 3205
or our office mobile
07824 757572
All Clapham CCTV surveys include our state of the art Drainify reporting software. Check out the demo:
Is your Clapham property served by a septic tank or a sewage treatment plant?
If so, are you aware of all the Clapham area environmental and building regulations?
More importantly, do you know if your Clapham system is compliant with the new regulatory reform called the Small Sewage Discharge General Binding Rules?
Click the button to find out more...
Fixed prices across Clapham and the surrounding areas
It’s always worrying for a householder when something goes wrong with a drain in Clapham.
We make sure that we unblock household drains at a fixed price, meaning you don't need to worry, we are fast and fix the problem with zero fuss.
Service drainage repairs in Clapham and across Greater London
Drainage defects in Clapham are resolved by using the best technology available, as well as traditional methods of repair. All done cleanly and effectively.You can be confident that we will get the job done right, to the highest possible standards, and at thevery best prices in Greater London.
Drain unblocking in Clapham, SW4 and the surrounding areas.
If you are in and around Clapham, and your drains are slow flowing or blocked, or just are a bit whiffy, we will find the problem and restore maximum flow.We are fully equipped with all the apparatus that is needed for the task. With the most basic tools for simple problems or high-pressure water jets for the more ‘interesting’ problems, and we make sure that the job is done properly!
CCTV drainage investigations in Clapham and around Greater London
Discovering the dirty truth about your drains and their condition is what we love to do.Then we figure out the best, quickest and most cost-effective way to put your drains right. Our comprehensive technical reports, come with a fully specified quotation and estimates for any work that may be needed in Clapham, and around Greater London.
Great reviews from our happy customers...

Drain clearing
"Cleared the blocked pipe and flushed through cleaned around the drain, helpful and pleasant,would certainly recommend."
Drain unblocking
"Excellent company to deal with. Polite, friendly and reasonably priced. A credit to the drain industry! Will certainly be recommending them and will be using them again. Special mention and thanks to Josh the expert drain man. Finally, paying them online (following receipt of invoice) was so easy, if you use the weblink they send you. Why can't all trades companies be like this?!"
Unblocking drain
"Having used Happy Drains previously, I contacted them about a blocked drain on my property. They responded immediately, sent engineers who were prompt, professional and friendly and had the job done in 25 minutes. Just to top it off, the price was the same as my last call-out with them two years ago. Excellent service all round. "
External drain for kitchen blocked
"They made arrangements easy, and kept in communication about the time of the visit. And the job was done quickly, without fuss, and with courtesy. Great job, thank you"
Clearance of blocked foul drain
"Very prompt response to initial call. Drainage tradesman was polite, professional and very helpful. Also advised on further action regarding main sewer. "

Drain cleaning
"Very professional, did a great job made sure water was flowing properly . Happy with this company."
Supplied and installed 2x patch liners and to carry out flush through via jetting.
"Very professional, courteous & amenable.. special thanks to Gordon & Tommy who carried out the works. Highly recommended!"
Drains Blocked
"Very Pleased with the service provided by Happy Drains - I've use them before because they are so good, quick and efficient - Oh and very reasonable compared to some Drain Cleaners we wont name them but you'll know who I mean. Happy Drains were out the day after Id emailed to say I had a problem with my outside drains completely backed up - not a pretty sight. They kept me advised when they were arriving and what to expect - the engineers were both very able and very friendly - they had the drains unblocked very quickly and with minimum fuss. Highly Recommend - I wouldn't use anyone else."
Recent Blog Posts...
In or near Clapham, SW4, Greater London, the following drainage problems could benefit from a Clapham CCTV drain survey...
Land drainage problems in Greater London
Problems with shared Clapham drains
Overflowing or leaking Clapham septic tanks & cesspits
Clapham pitch fibre pipework problems
French drainage problems in SW4
Bad smells in Greater London
Broken or blocked Clapham sewers or sewage pipes
Longitudinal cracking in Clapham drains
Blocked Clapham toilets and blocked Clapham showers
Clogged or broken pipes in Clapham
Overflowing or blocked Clapham drain pipes
Clapham CCTV-controlled cutting problem
Build-up of fat, grease, or detergent in Clapham drains
Vehicle activity affecting drains in Greater London
Collapsed drain in Greater London
Failed or broken soakaways in SW4
Blocked or broken Clapham drains
Concrete, cement or builders’ rubble in Clapham drain
Water level problems in SW4
Bellied drain in Clapham
Joint displacements in Clapham pipes and drains
Ground movement causing Clapham drain problems
Fractured drain in Clapham
Cracked or leaking Clapham drains and pipes
Ditch drainage problems in Greater London
Bellied pipework in Greater London
Cutting out tree root mass from Clapham drains
Tree roots damaging drains in SW4
Deformed pipework in Greater London
We use selected local professionals in the Clapham SW4 area.
This ensures a fast CCTV drain and sewer inspection & survey in Greater London.
Our Clapham area coverage:
Clapham and Greater London drain services from a firm receiving great feedback...

Highly recommended
"Came out the same day. Charged a good price and cleared the drain very quickly."
Cleared a blocked drain
"Telephoned ahead of visit and arrived promptly. Very polite and informative offered follow-up advice and a new quote but wasn't pushy. Would definitely use again."
drainage clearance.
"technician phoned in advance to confirm arrival date. got on with job efficiently and left everything clean and tidy. "
Call 020 7870 3205
or our office mobile
07824 757572
All Clapham CCTV surveys include our state of the art Drainify reporting software. Check out the demo: