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A10 Drainage Services Ltd
5.0(1080 reviews)
Highly RatedLocal Expert
A10 Drainage is North London’s leading drain cleaning specialist, providing fast, reliable, and affordable drain unblock service 24 hours a day, 7 days a week.
Best Drain Clearance Companies in Watford (2026)
Independently reviewed · Last updated February 2026 · Covers Watford and surrounding areas including Bushey, Rickmansworth, Harrow
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Must Go Drains Ltd
5.0(1040 reviews)
Highly RatedQuick Response
BLOCKED DRAINS, BLOCKED TOILET, BLOCKED SINK, BLOCKED SHOWER, 24/7 CALLOUT AND PPM WORK, BLOCKED DRAINS NEAR ME EMERGENCY CALL OUT.
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L&A Drainage
5.0(350 reviews)
Highly RatedReliable
Rapid 24/7 Drain Unblocking London with ZERO call out charges. Trusted by residential and commercial property owners across London.
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EW Ealing Blocked Drain Jetting
5.0(210 reviews)
Highly RatedRecommended
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J.V.C Wet Waste - Drainage Specialists
5.0(150 reviews)
Highly RatedReliable
JVC Wet Waste provides efficient and affordable drainage services, including unblocking, CCTV surveys and emergency drain repair. Get a FREE quote today!
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Superflow Drainage Solutions Ltd
5.0(130 reviews)
Highly RatedLocal Expert
Whether you’re dealing with a blocked drain, a broken or cracked drain pipe, or any other issue, our drain specialists are equipped with the knowledge and tools to provide fast and effective solutions.
Drain Clearance in Watford
A blocked drain in Watford can quickly turn from a minor inconvenience into a serious problem. Sewage backups, bad odours, and water damage are all risks if a blockage isn't dealt with promptly.
Whether you're in central Watford or the surrounding areas like Bushey, Rickmansworth, Harrow, St Albans, the companies on this page offer coverage within a 15-mile radius. Emergency call-outs are usually available 24/7.
All the companies ranked for Watford have been assessed on customer satisfaction, pricing transparency, and professional reputation. Rankings are updated regularly to reflect the latest reviews.
Frequently Asked Questions About Drain Clearance in Watford
What is the best drain clearance company in Watford?
Based on our editorial research and customer reviews, A10 Drainage Services Ltd is the top-rated drain clearance company serving Watford, with a 5.0-star rating from 1080 verified reviews. They offer professional drain clearance services.
How much does drain clearance cost in Watford?
The typical cost for residential drain clearance in Watford ranges from £100 to £250, depending on the severity and location of the blockage. A straightforward external drain blockage is usually at the lower end, while internal blockages or those requiring specialist equipment may cost more. Most reputable companies in Watford offer a fixed price with no hidden call-out fees — always confirm the price before work begins.
Can I get same-day drain clearance in Watford?
Yes. Most of the top-rated companies serving Watford offer same-day service, with many able to respond within 1-2 hours for emergencies. If you have sewage backing up or an overflowing drain, call the top-listed company directly — emergency call-outs are typically available 24/7 including weekends and bank holidays.
What causes blocked drains in Watford?
The most common causes of blocked drains in residential properties around Watford are fat and grease build-up (especially in kitchen drains), hair and soap scum (bathroom drains), tree root ingress (outdoor drains), and foreign objects like wet wipes and sanitary products. Older properties in Watford may also have clay pipes that are more prone to cracking and root penetration.
Do I need drain clearance or drain repair?
Drain clearance removes blockages — hair, grease, debris, tree roots — and restores flow. It's a quick fix, usually completed in under an hour. Drain repair addresses structural damage like cracked, collapsed, or displaced pipes. If your drain keeps blocking repeatedly in the same place, you probably need a CCTV drain survey (£100-£200) to check for underlying damage. The companies listed above can advise on which service you need.
How do I know if a drain clearance company is trustworthy?
Look for companies with verified customer reviews, transparent pricing (a fixed quote before work starts), and no call-out charges. Membership of trade associations like the NADC (National Association of Drainage Contractors) is a good sign. The companies ranked on this page have been assessed on customer ratings, review volume, and professional reputation.
What areas near Watford do these companies cover?
Most drain clearance companies listed for Watford also cover nearby areas including Bushey, Rickmansworth, Harrow, St Albans, Borehamwood, Chorleywood. If you're outside Watford, enter your postcode in the search bar above to find companies near you.
Not in Watford?
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