Blocked drain in Mansion House? Get it unblocked FAST!
We are number one for drainage issues in Mansion House, so why go anywhere else? Happy Drains customers are our priority, which is why we promise to work to the highest possible standard, for a great price! So whether it's a blocked Mansion House toilet or an inspection chamber and everything in between, give us a call!
Be assured that in Mansion House, your business site will receive tremendous service at the best price. So why would you go anywhere else? Our expert team of 'pro' Mansion House engineers will deliver the best in class service the industry has to offer.


9.76 out of 10
Our credentials show you that we care. It's not just that we deal with a problem drain, we solve big problems for real businesses in Mansion House and actual householders. We recognise the inconvenience of dealing with a Mansion House blockage or investigation. Call us for fantastic service you can trust.

Mansion House Blocked Drain Clearance, Cleaning & Repair
London, EC4N


You've discovered the best local Mansion House drain cleaning experts. Please read our reviews!
Drain problems are what we fix and what we specialise in, and we are very good at it!Relying on Happy Drains for all Mansion House blocked drain clearance and repairs will leave you in safe hands.
We work quickly and expertly and take care of any Mansion House drain problem. We are fully equipped to deal with all blockages. We will take time to explain what we are going to do and will do our utmost to get the job done right AND on cost.
- Professional & qualified Mansion House drainage technicians
- 24 Hour Emergency Mansion House drain unblocks - Same Day Service
- Honest Pricing for all Mansion House drainage work, agreed up front & fixed
- Best advice for your Mansion House drain problems
- Happy Drains Mansion House for unmatched service
Why do blockages happen? Please read our blogs, but Mansion House drains and pipes are designed to be self-cleaning. However fat, oil & grease (known as FOGs in the trade) accumulates on Mansion House drain pipe walls, and is often the cause of many blockages. We remove the FOG or obstructions, and we can clean the drain pipes to restore the maximum of flow.
Efficient, tidy and courteous Mansion House drain unblocks

Blocked drain
"I had a major blockage in one of my drains. Called happy drains who responded very quickly. It took a couple of attempts to clear but they done an amazing job"
Outside drain clearing
"Calm her within an hour of my call. Polite and efficient from start to finish. Really happy. Thank you."
Drain was blocked - required unblocking.
"Happy Drains make it easy to arrange getting a blocked drain unblocked. We have used them several times and would highly recommend them. The communication is helpful, friendly and information is reliable. Once job is done, feedback is received which would help should a future problem arise. "
1st time customer - Excellent experience
"1st time using Checkatrade. Polite and efficient experience from beginning to end, with clear/ transparent pricing + quick availability of plumber. I chose to use Happy Drains... who were available same day to unblock kitchen sink. Damian from Happy Drains was friendly and cheerful, but always polite and professional and persistent with unblocking drain. Damian had a powerful acqua vac that was required to unblock the drain. Not an easy job, but Damian persisted and determined to get job done. No surprises with charges...exactly as quoted and very reasonable. Recommended."
Mansion House EC4N emergency blocked drain clearance, cleaning & repair. Fast service assured in London. |

Call 020 7870 3205
or our office mobile
07824 757572
Mansion House Drain Repairs Service
We undertake jobs for all Mansion House drainage customers including home owners & buyers, London factory managers and site operatives, drains being the single most important aspect of any Mansion House building.
When your Mansion House main drain is clogged and at risk of overflowing, the rest of your Mansion House drain pipes are at risk, they will quickly fill leaving no further capacity and the resultant spill causing problems that you do not need.
We repair Mansion House drains using the smartest repair systems in the industry and keep costs low and inconvenience. We will carry out all Mansion House drain works to the highest standards, efficiently, tidily and courteously.
Solve all Mansion House drain problems: expert CCTV surveys
As fully qualified professionals and London experts to WRc standards, we ensure that all Mansion House drain defects are appropriately understood and coded. Our Mansion House drain surveys ensure a cost-effective repair solution is delivered. Importantly in Mansion House home buyers or Mansion House building site managers need to know how much it will cost to repair any defects that need repair.
The camera is fed through your Mansion House drainage system to provide instant video feedback to work out the best site-specific cost-effective repair solutions. Our Mansion House CCTV drain survey technical reports include a comprehensive quotation to address and repair your Mansion House drain problems.
We have the enviable reputation of being the premier leading Mansion House drainage company. We deliver excellence for you, from home Pre Purchase Surveys to Site Works.
Unblock that troublesome Mansion House drain
Ok, you’ve probably tried caustic and other DIY methods to clear you Mansion House drain blockage, but with the toughest clogs following years of build-up, you'll need a bit of professional help. We are the skilled and friendly Mansion House drainage experts for a rapid result, whatever the blockage.
At Happy Drains Mansion House, we offer excellent quality, and value prices, as well as taking great pride in doing a great job and all at the lowest price for Mansion House householders and London business customers, just as our reviews show.
So if you need a speedy and trustworthy response, call us!
Happy Drains, the #1 choice for speedy & trustworthy Mansion House drainage services

Cleaning two separate internal waste pipes
"Great service .. and initial call referred me into a senior site engineer who discussed the feasibility and then referred me back to admin for the quotation. Great admin and a super quick and efficient job on site "
Blocked Drains
"Tommy was very polite and I couldn't have wished for a better service. I would highly recommend Happy Drains "
Cleared outside kitchen and toilet
"From the phone call to the colleague coming out was so professional and made me feel they truly cared. The chap who came out was very pleasant and professional rom the beginning.such a nice chap. I would certainly have this company again and recommend them to others. Trust is so important. ?'? "
Happy Drains = Happy Homeowner
"Fantastic service, drain was unblocked in no time. Mark was fantastic and professional. Thank you, price was great with no hidden cost. I had a builder who advised they may have to lift the tiles to get to the drain, luckily escaped that as I would have had to replace the entire kitchen "

Clearing of bathroom drain.
"Exceptional experience with this company! The booking process was seamless. Communication with the company was very clear on scheduling and having costs upfront meant no lingering worry on the final bill. Work was done quickly and the technicians were very professional. Payment was smooth as well (was able to use Apple Pay). Will definitely get my business again if needed and will recommend them to anyone else in the same situation."
Blocked outside drain
"Super impressed. Tommy and Gordon showed up within hours of my distressed phone call as our outside drain was completely blocked. They fixed it within minutes and shared their expertise for preventing blockage in the future. Friendly, courteous, incredibly knowledgeable and professional. My only go to from now on."
Blocked drains
"We recently noticed our downstairs WC was not flushing properly, and our outside man hole, was flooding and smelt terribly. I got in contact with happy drains and they hooked someone in within the next 2 days as I requested. The guy came to site, and told me exactly what he was doing and what he thought the issue may be. He fixed it in great time and was very informative. I hope I don't need to call happy drains again, but if we ever need someone to help us in the future, we will look no further. 10/10"
Recent Blog Posts...
- How long does a drain survey take?
- What causes a blocked toilet?
- What are the best drain cleaners around?
- What is the difference between a septic and a cesspit tank?
- What is a flood plain?
- Shared drains. Whose responsibility is it?
- Drain issues - Does my insurance cover it?
- How do you unblock a toilet?
In or near Mansion House, EC4N, London, the following drainage problems could benefit from a Mansion House CCTV drain survey...
Blocked or broken Mansion House drains
Clogged or broken pipes in Mansion House
Longitudinal cracking in Mansion House drains
Land drainage problems in London
Joint displacements in Mansion House pipes and drains
Collapsed drain in London
Bellied pipework in London
Mansion House pitch fibre pipework problems
Tree roots damaging drains in EC4N
Bad smells in London
Blocked Mansion House toilets and blocked Mansion House showers
Mansion House CCTV-controlled cutting problem
Cutting out tree root mass from Mansion House drains
Failed or broken soakaways in EC4N
Problems with shared Mansion House drains
Fractured drain in Mansion House
Overflowing or blocked Mansion House drain pipes
Deformed pipework in London
Cracked or leaking Mansion House drains and pipes
Broken or blocked Mansion House sewers or sewage pipes
Ditch drainage problems in London
Concrete, cement or builders’ rubble in Mansion House drain
Water level problems in EC4N
French drainage problems in EC4N
Build-up of fat, grease, or detergent in Mansion House drains
Overflowing or leaking Mansion House septic tanks & cesspits
Bellied drain in Mansion House
Ground movement causing Mansion House drain problems
Vehicle activity affecting drains in London
We use selected local professionals in the Mansion House EC4N area.
This ensures a fast CCTV drain and sewer inspection & survey in London.
Our Mansion House area coverage:
Mansion House and London drain services from a firm receiving great feedback...

Efficient and professional work
"We are very pleased with Happy Drain's work. They arrived on time. Identified problem and got to work straight away. The drain was unblocked within half an hour. Thank you. "
Blocked kitchen and bathroom sinks
"Avril, Jack and Jordan were all outstanding and insisted on visiting twice to ensure that all my drains were completely clear. Efficient, knowledgeable and working to very high standard. All for a very competitive fixed price. This company is excellent. Thank you. "
Clearing drains from side of house
"Super quick and easy experience. Excellent customer service. Expert arrived on time, was very courteous, explained what was going on throughout and was extremely quick. Did an excellent job of blocking the external drain. Highly recommend!"
Call 020 7870 3205
or our office mobile
07824 757572